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Ventura L, Verdonk SJE, Zhytnik L, Ridwan-Pramana A, Gilijamse M, Schreuder WH, van Gelderen-Ziesemer KA, Schoenmaker T, Micha D, Eekhoff EMW. Dental Abnormalities in Osteogenesis Imperfecta: A Systematic Review. Calcif Tissue Int 2024:10.1007/s00223-024-01293-2. [PMID: 39294450 DOI: 10.1007/s00223-024-01293-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/01/2024] [Accepted: 09/11/2024] [Indexed: 09/20/2024]
Abstract
Osteogenesis imperfecta (OI) is a rare genetic disorder characterized by fragile bones and skeletal deformities. Individuals with OI may have dental abnormalities such as dentinogenesis imperfecta (DI) type I, malocclusions, and unerupted or missing teeth. This review comprehensively examines these dental abnormalities to assess their prevalence among the OI population and explore potential differences across different clinical types of OI and pathogenic variants. In accordance with the PRISMA guidelines, a systematic literature search in PubMed, Embase, and Web of Science was conducted that included articles up to June 2024. Out of 672 articles screened, 34 were included. The included studies confirmed that dental abnormalities are prevalent in OI, with DI prevalence ranging from approximately 20 to 48%. Those with a more severe skeletal phenotype (OI type III/IV) exhibited more dental abnormalities than those with a milder skeletal phenotype (OI type I). Notably, OI type V individuals generally do not have DI, although a few isolated cases have been reported. The prevalence of occlusion types varied: Class I occlusion ranged from 14.8 to 50% and Class II malocclusion ranged from 0 to 37.5%, while Class III malocclusion from 4.1 to 84%. This differs from the general population, where Class III malocclusion is typically the least common. Open bites, cross-bites, and unerupted and missing teeth are also commonly reported, particularly in OI types III and IV. This review emphasizes the need for comprehensive dental examinations in OI due to the high prevalence of dental abnormalities. Additionally, the review draws attention to the lack of clear guidelines for diagnosing DI.
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Affiliation(s)
- Laura Ventura
- Department of Human Genetics, Amsterdam UMC Location Vrije Universiteit Amsterdam, Amsterdam, The Netherlands
- Amsterdam Reproduction and Development, Amsterdam, The Netherlands
- Amsterdam Movement Sciences, Amsterdam, The Netherlands
- Amsterdam Bone Center, Amsterdam, The Netherlands
| | - Sara J E Verdonk
- Amsterdam Movement Sciences, Amsterdam, The Netherlands
- Amsterdam Bone Center, Amsterdam, The Netherlands
- Department of Internal Medicine Section Endocrinology, Amsterdam UMC Location Vrije Universiteit Amsterdam, De Boelelaan 1117, Amsterdam, The Netherlands
| | - Lidiia Zhytnik
- Department of Human Genetics, Amsterdam UMC Location Vrije Universiteit Amsterdam, Amsterdam, The Netherlands
- Amsterdam Reproduction and Development, Amsterdam, The Netherlands
- Amsterdam Movement Sciences, Amsterdam, The Netherlands
- Amsterdam Bone Center, Amsterdam, The Netherlands
| | - Angela Ridwan-Pramana
- Department of Oral and Maxillofacial Surgery, Amsterdam UMC Location Vrije Universiteit Amsterdam, Amsterdam, The Netherlands
- Department Maxillofacial Prosthodontics, Stichting Bijzondere Tandheelkunde, Amsterdam, The Netherlands
| | - Marjolijn Gilijamse
- Amsterdam Movement Sciences, Amsterdam, The Netherlands
- Amsterdam Bone Center, Amsterdam, The Netherlands
- Department of Oral and Maxillofacial Surgery, Amsterdam UMC Location Vrije Universiteit Amsterdam, Amsterdam, The Netherlands
| | - Willem H Schreuder
- Amsterdam Bone Center, Amsterdam, The Netherlands
- Department of Oral and Maxillofacial Surgery, Amsterdam UMC Location Vrije Universiteit Amsterdam, Amsterdam, The Netherlands
- Department of Oral Diseases and Maxillofacial Surgery, Academic Centre for Dentistry Amsterdam (ACTA), Amsterdam, The Netherlands
| | | | - Ton Schoenmaker
- Amsterdam Movement Sciences, Amsterdam, The Netherlands
- Amsterdam Bone Center, Amsterdam, The Netherlands
- Department of Periodontology, Academic Centre for Dentistry Amsterdam (ACTA), Amsterdam, The Netherlands
| | - Dimitra Micha
- Department of Human Genetics, Amsterdam UMC Location Vrije Universiteit Amsterdam, Amsterdam, The Netherlands
- Amsterdam Reproduction and Development, Amsterdam, The Netherlands
- Amsterdam Movement Sciences, Amsterdam, The Netherlands
- Amsterdam Bone Center, Amsterdam, The Netherlands
| | - Elisabeth M W Eekhoff
- Amsterdam Reproduction and Development, Amsterdam, The Netherlands.
- Amsterdam Movement Sciences, Amsterdam, The Netherlands.
- Amsterdam Bone Center, Amsterdam, The Netherlands.
- Department of Internal Medicine Section Endocrinology, Amsterdam UMC Location Vrije Universiteit Amsterdam, De Boelelaan 1117, Amsterdam, The Netherlands.
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Marulanda J, Retrouvey JM, Rauch F. Skeletal and Non-skeletal Phenotypes in Children with Osteogenesis Imperfecta. Calcif Tissue Int 2024:10.1007/s00223-024-01276-3. [PMID: 39167113 DOI: 10.1007/s00223-024-01276-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/14/2024] [Accepted: 08/12/2024] [Indexed: 08/23/2024]
Abstract
Although fractures are the defining characteristic of osteogenesis imperfecta (OI), the disorder affects many tissues. Here we discuss three facets of the OI phenotype, skeletal growth and development, skeletal muscle weakness and the dental and craniofacial characteristics. Short stature is almost universal in the more severe forms of OI and is probably caused by a combination of direct effects of the underlying genetic defect on growth plates and indirect effects of fractures, bone deformities and scoliosis. Recent studies have developed OI type-specific growth curves, which allow determining whether a given child with OI grows as expected for OI type. Impaired muscle function is an important OI-related phenotype in severe OI. Muscles may be directly affected in OI by collagen type I abnormalities in muscle connective tissue and in the muscle-tendon unit. Indirect effects like bone deformities and lack of physical activity may also contribute to low muscle mass and function. Dental and craniofacial abnormalities are also very common in severe OI and include abnormal tooth structure (dentinogenesis imperfecta), malocclusion, and deformities in the bones of the face and the skull. It is hoped that future treatment approaches will address these OI-related phenotypes.
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Affiliation(s)
- Juliana Marulanda
- Shriners Hospital for Children - Canada, 1003 Decarie, Montreal, QC, H4A 0A9, Canada
| | | | - Frank Rauch
- Shriners Hospital for Children - Canada, 1003 Decarie, Montreal, QC, H4A 0A9, Canada.
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Blokland L, Arponen H, Ahmad A, Colijn S, Gjørup H, John R, Li M, Mekking D, Parekh S, Retrouvey JM, Stutz Steiger T, Zhou L, Andersson K. A standard set of outcome measures for the comprehensive assessment of oral health and occlusion in individuals with osteogenesis imperfecta. Orphanet J Rare Dis 2024; 19:294. [PMID: 39138478 PMCID: PMC11320983 DOI: 10.1186/s13023-024-03308-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2023] [Accepted: 08/06/2024] [Indexed: 08/15/2024] Open
Abstract
BACKGROUND Osteogenesis imperfecta (OI) is a group of inherited connective tissue disorders of varying severity characterized by bone fragility. The primary objective of this international multidisciplinary collaboration initiative was to reach a consensus for a standardized set of clinician and patient-reported outcome measures, as well as associated measuring instruments for dental care of individuals with OI, based on the aspects considered important by both experts and patients. This project is a subsequent to the Key4OI project initiated by the Care4BrittleBones foundation which aims to develop a standard set of outcome measures covering a large domain of factors affecting quality of life for people with OI. An international team of experts comprising orthodontists, pediatric dentists, oral and maxillofacial surgeons, and prosthetic dentists used a modified Delphi consensus process to select clinician-reported outcome measures (CROMs) and patient-reported outcome measures (PROMs) to evaluate oral health in individuals with OI. Important domains were identified through a literature review and by professional expertise (both CROMs and PROMs). In three focus groups of individuals with OI, important and relevant issues regarding dental health were identified. The input from the focus groups was used as the basis for the final set of outcome measures: the selected issues were attributed to relevant CROMs and, when appropriate, matched with validated questionnaires to establish the final PROMs which represented best the specific oral health-related concerns of individuals with OI. RESULTS Consensus was reached on selected CROMs and PROMs for a standard set of outcome measures and measuring instruments of oral health in individuals with OI. CONCLUSIONS Our project resulted in consensus statements for standardization oral health PROMs and CROMs in individuals with OI. This outcome set can improve the standard of care by incorporating recommendations of professionals involved in dental care of individuals with OI. Further, it can facilitate research and international research co-operation. In addition, the significant contribution of the focus groups highlights the relevance of dental and oral health-related problems of individuals with OI.
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Affiliation(s)
- L Blokland
- Vogellanden, Center of Rehabilitation Medicine and Special Care in Dentistry, Zwolle, The Netherlands.
| | - H Arponen
- Department of Oral and Maxillofacial Diseases, University of Helsinki, Helsinki, Finland
- Helsinki University Hospital Head and Neck Center, Helsinki, Finland
| | - A Ahmad
- Whittington Health NHS Trust Dental Services, London, UK
| | - S Colijn
- Care4BrittleBones Foundation, Wassenaar, The Netherlands
- Elkerliek Hospital, Helmond, The Netherlands
| | - H Gjørup
- Center for Oral Health in Rare Diseases, Department of Dental and Maxillofacial Surgery, Aarhus University Hospital, Aarhus, Denmark
| | - R John
- Department of Paediatric Dentistry, University of Bristol, Bristol, UK
| | - M Li
- Department of Stomatology, The University of Hong Kong-Shenzhen Hospital, Shenzhen, China
| | - D Mekking
- Care4BrittleBones Foundation, Wassenaar, The Netherlands
| | - S Parekh
- Department of Paediatric Dentistry, UCL Eastman Dental Institute, London, UK
| | - J M Retrouvey
- Department of Molecular Genetics, Baylor School of Medicine, Houston, TX, USA
| | | | - L Zhou
- Department of Stomatology, The University of Hong Kong-Shenzhen Hospital, Shenzhen, China
| | - K Andersson
- Mun-H-Center, National Orofacial Resource Centre for Rare Diseases and Clinic of Pedodontics, Public Dental Service, Region Västra Götaland, Göteborg, Sweden
- Department of Pediatric Dentistry, Institute of Odontology, Sahlgrenska Academy, University of Gothenburg, Göteborg, Sweden
- Department of Dental Medicine, Division of Orthodontics and Pediatric Dentistry, Karolinska Institutet and Center for Pediatric Oral Health Research, Stockholm, Sweden
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Garcete Delvalle CS, De Nova García MJ, Mourelle Martínez MR. Root resorption of primary molars and dental development of premolars in children with Osteogenesis Imperfecta medicated with bisphosphonates, grouped according to age and gender. BMC Oral Health 2024; 24:857. [PMID: 39069613 DOI: 10.1186/s12903-024-04557-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2023] [Accepted: 07/02/2024] [Indexed: 07/30/2024] Open
Abstract
BACKGROUND Osteogenesis imperfecta (OI) is an inherited disorder characterized by bone fragility and skeletal alterations. The administration of bisphosphonates (BPs) to patients with OI reduces pain, thereby improving their quality of life. The main mechanism of action of BPs is the inhibition of osteoclast action. In the oral cavity of children with OI during growth and development, physiological processes that require the function of osteoclasts occur. The aim of this investigation was to study the dental development of premolars and the root resorption of primary molars in children with OI medicated with BPs according to age and sex. METHODS An observational and analytical study was designed. The study sample consisted of 26 6- to 12-year-old children with a confirmed diagnosis of OI treated with BPs with available panoramic radiographs. The control group consisted of 395 children with available panoramic radiographs. Both groups were divided into subgroups according to sex and age. The third quadrant was studied, focusing on the first left temporary molar (7.4), the second left temporary molar (7.5), the first left permanent premolar (3.4) and the second left permanent premolar (3.5). The Demirjian method was used to study the dental development of 3.4 and 3.5, and the Haavikko method was used to study the root resorption of 7.4 and 7.5. The Mann‒Whitney U test was used for comparisons, and p < 0.05 indicated statistical significance. RESULTS The mean chronological age of the 421 patients was 9.21 years (95% CI 9.05-9.37). The sample was reasonably balanced by sex, with 52.5% (221 patients) boys versus 47.5% (200 patients) girls. Delayed exfoliation and tooth development were described in children with OI (p = 0.05). According to sex, the root resorption of primary molars and tooth development were significantly lower in boys in both groups and in girls in the OI group, but the differences between the age groups were not significant. CONCLUSIONS Children with OI treated with BPs exhibit delayed dental development of the premolars and delayed root resorption of the primary molars. Boys exhibited delays in both variables, but the differences by age subgroup were not significant. These clinical findings support the importance of clinically and radiographically monitoring the dental development and root resorption of primary teeth in children with OI treated with BPs to avoid alterations of the eruptive process.
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Del Rio Cantero N, Mourelle Martínez MR, Sagastizabal Cardelús B, De Nova García JM. Influence of zoledronic acid and pamidronate on tooth eruption in children with osteogenesis imperfecta. Bone 2024; 182:117069. [PMID: 38458305 DOI: 10.1016/j.bone.2024.117069] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/18/2023] [Revised: 02/15/2024] [Accepted: 03/05/2024] [Indexed: 03/10/2024]
Abstract
INTRODUCTION Osteogenesis imperfecta (OI) is a congenital disease comprising a heterogeneous group of inherited connective tissue disorders. The main treatment in children is bisphosphonate therapy. Previous animal studies have shown that bisphosphonates delay tooth eruption. The aim of this study is to determine whether patients with OI treated with pamidronate and/or zoledronic acid have a delayed eruption age compared to a control group of healthy children. METHODS An ambispective longitudinal cohort study evaluating the age of eruption of the first stage mixed dentition in a group of children with OI (n = 37) all treated with intravenous bisphosphonates compared with a group of healthy children (n = 89). Within the study group, the correlation (Pearson correlation test) between the type of medication administered (pamidronate and/or zoledronic acid) and the chronology of tooth eruption is established, as well as the relationship between the amount of cumulative dose received and tooth eruption. RESULTS The age of eruption of the study group was significantly delayed compared to the age of eruption of the control group for molars and lateral incisors (p < 0.05). Patients who received higher cumulative doses had a delayed eruption age compared to those with lower cumulative doses (p < 0.05). There is a high positive correlation between age of delayed tooth eruption and Zoledronic acid administration. CONCLUSION Patients with OI have a delayed eruption of the 1st stage mixed dentition compared to a control group of healthy children. This delayed eruption is directly related to the cumulative dose of bisphosphonates and the administration of zoledronic ac.
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Affiliation(s)
- Natalia Del Rio Cantero
- Department of Dental Clinical Specialities, School of Dentistry, Complutense University of Madrid, 28040 Madrid, Spain.
| | - María Rosa Mourelle Martínez
- Department of Dental Clinical Specialities, School of Dentistry, Complutense University of Madrid, 28040 Madrid, Spain.
| | | | - Joaquín Manuel De Nova García
- Department of Dental Clinical Specialities, School of Dentistry, Complutense University of Madrid, 28040 Madrid, Spain.
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Sung HH, Spresser WJ, Hoffmann JP, Dai Z, Van der Kraan PM, Caird MS, Davidson EB, Kozloff KM. Collagen mutation and age contribute to differential craniofacial phenotypes in mouse models of osteogenesis imperfecta. JBMR Plus 2024; 8:ziad004. [PMID: 38690127 PMCID: PMC11059998 DOI: 10.1093/jbmrpl/ziad004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/18/2023] [Revised: 10/23/2023] [Accepted: 11/01/2023] [Indexed: 05/02/2024] Open
Abstract
Craniofacial and dentoalveolar abnormalities are present in all types of osteogenesis imperfecta (OI). Mouse models of the disorder are critical to understand these abnormalities and underlying OI pathogenesis. Previous studies on severely affected OI mice report a broad spectrum of craniofacial phenotypes, exhibiting some similarities to the human disorder. The Brtl/+ and G610c/+ are moderately severe and mild-type IV OI, respectively. Little is known about the aging effects on the craniofacial bones of these models and their homology to human OI. This study aimed to analyze the Brtl/+ and G610c/+ craniofacial morphometries during aging to establish suitability for further OI craniofacial bone intervention studies. We performed morphological measurements on the micro-CT-scanned heads of 3-wk-old, 3-mo-old, and 6-mo-old female Brtl/+ and G610c/+ mice. We observed that Brtl/+ skulls are shorter in length than WT (P < .05), whereas G610c/+ skulls are similar in length to their WT counterparts. The Brtl/+ mice exhibit alveolar bone with a porotic-like appearance that is not observed in G610c/+. As they age, Brtl/+ mice show severe bone resorption in both the maxilla and mandible (P < .05). By contrast, G610c/+ mice experience mandibular resorption consistently across all ages, but maxillary resorption is only evident at 6 mo (P < .05). Western blot shows high osteoclastic activities in the Brtl/+ maxilla. Both models exhibit delayed pre-functional eruptions of the third molars (P < .05), which are similar to those observed in some bisphosphonate-treated OI subjects. Our study shows that the Brtl/+ and G610c/+ mice display clear features found in type IV OI patients; both show age-related changes in the craniofacial growth phenotype. Therefore, understanding the craniofacial features of these models and how they age will allow us to select the most accurate mouse model, mouse age, and bone structure for the specific craniofacial bone treatment of differing OI groups.
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Affiliation(s)
- Hsiao H Sung
- Orthopaedic Research Laboratories, Department of Orthopaedic Surgery, University of Michigan, Ann Arbor, MI 48109, United States
- Department of Oral and Maxillofacial Surgery, University of Michigan, Ann Arbor, MI 48109, United States
- Experimental Rheumatology, Department of Rheumatology, Radboud Medical Centre, Nijmegen, The Netherlands, 6525 GA
| | - Wyatt J Spresser
- Department of Oral and Maxillofacial Surgery, University of Michigan, Ann Arbor, MI 48109, United States
| | - Joseph P Hoffmann
- Department of Oral and Maxillofacial Surgery, University of Michigan, Ann Arbor, MI 48109, United States
| | - Zongrui Dai
- Department of Biostatistics, University of Michigan, Ann Arbor, MI 48109, United States
| | - Peter M Van der Kraan
- Experimental Rheumatology, Department of Rheumatology, Radboud Medical Centre, Nijmegen, The Netherlands, 6525 GA
| | - Michelle S Caird
- Orthopaedic Research Laboratories, Department of Orthopaedic Surgery, University of Michigan, Ann Arbor, MI 48109, United States
| | - Esmeralda Blaney Davidson
- Experimental Rheumatology, Department of Rheumatology, Radboud Medical Centre, Nijmegen, The Netherlands, 6525 GA
| | - Kenneth M Kozloff
- Orthopaedic Research Laboratories, Department of Orthopaedic Surgery, University of Michigan, Ann Arbor, MI 48109, United States
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Cho DH, Aguayo S, Cartagena-Rivera AX. Atomic force microscopy-mediated mechanobiological profiling of complex human tissues. Biomaterials 2023; 303:122389. [PMID: 37988897 PMCID: PMC10842832 DOI: 10.1016/j.biomaterials.2023.122389] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2023] [Revised: 10/30/2023] [Accepted: 11/04/2023] [Indexed: 11/23/2023]
Abstract
Tissue mechanobiology is an emerging field with the overarching goal of understanding the interplay between biophysical and biochemical responses affecting development, physiology, and disease. Changes in mechanical properties including stiffness and viscosity have been shown to describe how cells and tissues respond to mechanical cues and modify critical biological functions. To quantitatively characterize the mechanical properties of tissues at physiologically relevant conditions, atomic force microscopy (AFM) has emerged as a highly versatile biomechanical technology. In this review, we describe the fundamental principles of AFM, typical AFM modalities used for tissue mechanics, and commonly used elastic and viscoelastic contact mechanics models to characterize complex human tissues. Furthermore, we discuss the application of AFM-based mechanobiology to characterize the mechanical responses within complex human tissues to track their developmental, physiological/functional, and diseased states, including oral, hearing, and cancer-related tissues. Finally, we discuss the current outlook and challenges to further advance the field of tissue mechanobiology. Altogether, AFM-based tissue mechanobiology provides a mechanistic understanding of biological processes governing the unique functions of tissues.
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Affiliation(s)
- David H Cho
- Section on Mechanobiology, National Institute of Biomedical Imaging and Bioengineering, National Institutes of Health, Bethesda, MD, USA
| | - Sebastian Aguayo
- Dentistry School, Faculty of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile; Schools of Engineering, Medicine, and Biological Sciences, Institute for Biological and Medical Engineering, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Alexander X Cartagena-Rivera
- Section on Mechanobiology, National Institute of Biomedical Imaging and Bioengineering, National Institutes of Health, Bethesda, MD, USA.
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Paduano F, Fischetto R, Moretti B, De Vito D, Tatullo M. Expanding the genetic and clinical spectrum of osteogenesis imperfecta: identification of novel rare pathogenic variants in type I collagen-encoding genes. Front Endocrinol (Lausanne) 2023; 14:1254695. [PMID: 37929041 PMCID: PMC10623311 DOI: 10.3389/fendo.2023.1254695] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/07/2023] [Accepted: 09/11/2023] [Indexed: 11/07/2023] Open
Abstract
Introduction Osteogenesis imperfecta (OI) is a clinically and genetically heterogeneous skeletal disorder. The majority of affected cases are attributed to autosomal dominant pathogenic variants (PVs) found in the COL1A1 and COL1A2 genes, which encode type I collagen. However, PVs in other genes involved in collagen posttranslational modification, processing, crosslinking, osteoblast differentiation, and bone mineralization have also been associated with OI. Methods In this study, we present the results of next-generation sequencing (NGS) analysis using a custom panel of 11 genes known to be associated with OI. This clinical study enrolled a total of 10 patients, comprising 7 male and 3 female patients from 7 families, all from the Puglia Region in South Italy, providing a detailed overview of their age, gender, family history, OI type, and non-skeletal features. Results The genetic analysis revealed 5 PVs in the COL1A1 gene and 2 PVs in the COL1A2 gene. Importantly, three of these PVs have not been previously reported in the literature. These include two novel heterozygous frameshift PVs in COL1A1 (c.2890_2893del and c.3887del) and one novel heterozygous missense PV in COL1A2 (c.596G>T). Discussion The identification of these previously unreported PVs expands the variant spectrum of the COL1A1 and COL1A2 genes and may have implications for accurate diagnosis, genetic counselling, and potential therapeutic interventions in affected individuals and their families.
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Affiliation(s)
- Francesco Paduano
- Stem Cells and Medical Genetics Units, Tecnologica Research Institute and Marrelli Health, Crotone, Italy
| | - Rita Fischetto
- Metabolic and Genetic Diseases Unit, “Giovanni XXIII” Hospital, Bari, Italy
| | - Biagio Moretti
- Orthopaedic and Traumathogic Unit General Hospital Policlinico, Department of Translational Biomedicine and Neuroscience, University “Aldo Moro” of Bari, Bari, Italy
| | - Danila De Vito
- Department of Translational Biomedicine and Neuroscience, Medical School, University ”Aldo Moro” of Bari, Bari, Italy
| | - Marco Tatullo
- Department of Translational Biomedicine and Neuroscience, Medical School, University ”Aldo Moro” of Bari, Bari, Italy
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Prado HV, Soares ECB, Carneiro NCR, Vilar ICDO, Abreu LG, Borges-Oliveira AC. Dental anomalies in individuals with osteogenesis imperfecta: a systematic review and meta-analysis of prevalence and comparative studies. J Appl Oral Sci 2023; 31:e20230040. [PMID: 37672427 PMCID: PMC10506791 DOI: 10.1590/1678-7757-2023-0040] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2023] [Revised: 06/15/2023] [Accepted: 07/26/2023] [Indexed: 09/08/2023] Open
Abstract
BACKGROUND Osteogenesis imperfecta (OI) is a rare genetic disorder primarily caused by mutations in the genes involved in the production of type 1 collagen. OI is also known as brittle bone disease. OBJECTIVE This study aims to describe the prevalence of dental anomalies (except dentinogenesis imperfecta) in individuals with OI, and compare the prevalence of dental anomalies between individuals with and without OI and between individuals with different types of OI. SEARCH METHODS Searches in PubMed, Web of Science, Scopus, Ovid, and gray literature were performed in October 2022. SELECTION CRITERIA Observational studies (with or without a comparison group) that evaluated the prevalence of dental anomalies in individuals with OI. Data collection and analysis: Data items were extracted by two authors. Quality assessment employing the Joanna Briggs Institute checklists and meta-analyses was conducted. Results were provided in prevalence values and odds ratio (OR) / 95% confidence interval (CI). Strength of evidence was determined. RESULTS Eighteen studies were included. Most prevalent dental anomalies in individuals with OI included pulp obliteration (46.4%), dental impaction (33.5%), dental impaction of second molars (27%), and tooth agenesis (23.9%). Individuals with OI type III/IV had 20.16-fold greater chance of exhibiting tooth discoloration in comparison with individuals with OI type I (CI: 1.10-370.98). In comparison with the group without OI, the individuals with OI had 6.90-fold greater chance of exhibiting dental impaction (CI: 1.54-31.00). High methodological quality was found in 47% of the studies. Strength of evidence was low or very low. CONCLUSIONS Pulp obliteration, dental impaction, and tooth agenesis were the most prevalent dental anomalies in the OI group. Individuals with OI were more likely to have dental impaction than individuals without OI. Individuals with OI type III/IV (severe-moderate) are more likely to have tooth discoloration than individuals with OI type I (mild).
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Affiliation(s)
- Heloisa Vieira Prado
- Universidade Federal de Minas gerais, Faculdade de Odontologia, Departamento de Odontologia Social e Preventiva, Belo Horizonte, Minas Gerais, Brasil
| | - Enio Cássio Barreto Soares
- Universidade Federal de Minas gerais, Faculdade de Odontologia, Departamento de Odontologia Social e Preventiva, Belo Horizonte, Minas Gerais, Brasil
| | - Natália Cristina Ruy Carneiro
- Universidade Federal de Minas gerais, Faculdade de Odontologia, Departamento de Odontopediatria, Belo Horizonte, Minas Gerais, Brasil
| | - Ivanete Cláudia de Oliveira Vilar
- Universidade Federal de Minas gerais, Faculdade de Odontologia, Departamento de Odontologia Social e Preventiva, Belo Horizonte, Minas Gerais, Brasil
| | - Lucas Guimarães Abreu
- Universidade Federal de Minas gerais, Faculdade de Odontologia, Departamento de Odontopediatria, Belo Horizonte, Minas Gerais, Brasil
| | - Ana Cristina Borges-Oliveira
- Universidade Federal de Minas gerais, Faculdade de Odontologia, Departamento de Odontologia Social e Preventiva, Belo Horizonte, Minas Gerais, Brasil
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Guo X, Duan X. Genotype-phenotype analysis of selective failure of tooth eruption-A systematic review. Clin Genet 2023. [PMID: 37448157 DOI: 10.1111/cge.14400] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2023] [Revised: 06/21/2023] [Accepted: 06/26/2023] [Indexed: 07/15/2023]
Abstract
Tooth eruption is an important and unique biological process during craniofacial development. Both the genetic and environmental factors can interfere with this process. Here we aimed to find the failure pattern of tooth eruption among five genetic diseases. Both systematic review and meta-analysis were used to identify the genotype-phenotype associations of unerupted teeth. The meta-analysis was based on the characteristics of abnormal tooth eruption in 223 patients with the mutations in PTH1R, RUNX2, COL1A1/2, CLCN7, and FAM20A respectively. We found all the patients presented selective failure of tooth eruption (SFTE). Primary failure of eruption patients with PTH1R mutations showed primary or isolated SFTE1 in the first and second molars (59.3% and 52% respectively). RUNX2 related cleidocranial dysplasia usually had SFTE2 in canines and premolars, while COL1A1/2 related osteogenesis imperfecta mostly caused SFTE3 in the maxillary second molars (22.9%). In CLCN7 related osteopetrosis, the second molars and mandibular first molars were the most affected. While FAM20A related enamel renal syndrome most caused SFTE5 in the second molars (86.2%) and maxillary canines. In conclusion, the SFTE was the common characteristics of most genetic diseases with abnormal isolated or syndromic tooth eruption. The selective pattern of unerupted teeth was gene-dependent. Here we recommend SFTE to classify those genetic unerupted teeth and guide for precise molecular diagnosis and treatment.
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Affiliation(s)
- Xinyue Guo
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, National Clinical Research Center for Oral Diseases, Shaanxi Key Laboratory of Stomatology, Department of Oral Biology, Clinic of Oral Rare and Genetic Diseases, School of Stomatology, The Fourth Military Medical University, Xi'an, People's Republic of China
| | - Xiaohong Duan
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, National Clinical Research Center for Oral Diseases, Shaanxi Key Laboratory of Stomatology, Department of Oral Biology, Clinic of Oral Rare and Genetic Diseases, School of Stomatology, The Fourth Military Medical University, Xi'an, People's Republic of China
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11
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Rapoport M, Bober MB, Raggio C, Wekre LL, Rauch F, Westerheim I, Hart T, van Welzenis T, Mistry A, Clancy J, Booth L, Prince S, Semler O. The patient clinical journey and socioeconomic impact of osteogenesis imperfecta: a systematic scoping review. Orphanet J Rare Dis 2023; 18:34. [PMID: 36814274 PMCID: PMC9945474 DOI: 10.1186/s13023-023-02627-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2022] [Accepted: 02/06/2023] [Indexed: 02/24/2023] Open
Abstract
BACKGROUND Osteogenesis imperfecta (OI) is a rare heritable connective tissue disorder primarily characterised by skeletal deformity and fragility, and an array of secondary features. The purpose of this review was to capture and quantify the published evidence relating specifically to the clinical, humanistic, and economic impact of OI on individuals, their families, and wider society. METHODS A systematic scoping review of 11 databases (MEDLINE, MEDLINE in-progress, EMBASE, CENTRAL, PsycINFO, NHS EED, CEA Registry, PEDE, ScHARRHUd, Orphanet and Google Scholar), supplemented by hand searches of grey literature, was conducted to identify OI literature published 1st January 1995-18th December 2021. Searches were restricted to English language but without geographical limitations. The quality of included records was assessed using the AGREE II checklist and an adapted version of the JBI cross-sectional study checklist. RESULTS Of the identified 7,850 records, 271 records of 245 unique studies met the inclusion criteria; overall, 168 included records examined clinical aspects of OI, 67 provided humanistic data, 6 reported on the economic impact of OI, and 30 provided data on mixed outcomes. Bone conditions, anthropometric measurements, oral conditions, diagnostic techniques, use of pharmacotherapy, and physical functioning of adults and children with OI were well described. However, few records included current care practice, diagnosis and monitoring, interactions with the healthcare system, or transition of care across life stages. Limited data on wider health concerns beyond bone health, how these concerns may impact health-related quality of life, in particular that of adult men and other family members, were identified. Few records described fatigue in children or adults. Markedly few records provided data on the socioeconomic impact of OI on patients and their caregivers, and associated costs to healthcare systems, and wider society. Most included records had qualitative limitations. CONCLUSION Despite the rarity of OI, the volume of recently published literature highlights the breadth of interest in the OI field from the research community. However, significant data gaps describing the experience of OI for individuals, their families, and wider society warrant further research to capture and quantify the full impact of OI.
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Affiliation(s)
| | | | | | - Lena Lande Wekre
- TRS National Resource Center for Rare Disorders, Sunnaas Rehabilitation Hospital, Bjørnemyr, Nesodden, Norway
| | | | | | - Tracy Hart
- Osteogenesis Imperfecta Foundation, Gaithersburg, MD, USA
| | | | | | | | - Lucy Booth
- Wickenstones Ltd, Abingdon, Oxfordshire, UK
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12
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Mehta S, Wang K, Chen PJ, Zhichao F, Ahmida A, Kalajzic Z, Yadav S. How does alendronate affect orthodontic tooth movement in osteogenesis imperfecta: an in vivo study on a mice model. Eur J Orthod 2023; 45:217-223. [PMID: 36772933 DOI: 10.1093/ejo/cjad001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/12/2023]
Abstract
OBJECTIVES The purpose of this study was to evaluate the effects of alendronate on orthodontic tooth movement (OTM) and bone modelling/remodelling in an osteogenesis imperfecta (OI) mice model. MATERIALS AND METHODS Ten-week-old male and female OI mice (Col1a2oim, n = 32) were divided into four groups: 1. Alendronate male (AM, n = 8), 2. Alendronate female (AF, n = 8), 3. saline male (SM, n = 8), and 4. saline female (SF, n = 8). The mice in all four groups received either Alendronate (0.05 mg/kg) or vehicle (saline 0.05 mg/kg) subcutaneously for 2 weeks prior to the placement of orthodontic spring. A nickel-titanium spring applying 3-5 cN of force was used to perform the OTM for 1 week. After 7 days of OTM, the OI mice were euthanized with CO2 inhalation and microfocus computed tomography and histological analyses were performed. RESULTS AM and AF mice showed a significant decrease (P < 0.05) in the rate of OTM compared with SM and SF mice, respectively. In addition, AM and AF mice showed a significant increase (P < 0.05) in the bone volume fraction (BVF) and tissue density (TD) compared with SM and SF mice. Histological analysis of haematoxylin-eosin staining revealed a hyalinization zone in AM and AF mice compared with SM and SF mice. Furthermore, tartrate-resistant acid phosphatase staining indicated decreased number of osteoclasts in AM and AF mice compared with SM and SF mice. Picrosirius red staining showed, Alendronate treatment led to thick uniform and smooth morphology of collagen fibres as compared with saline group. Similarly, second harmony generation images also revealed thicker collagen fibres at the periodontal ligament (PDL)-cementum entheses and PDL-alveolar bone entheses in AM and AF mice compared with SM and SF mice. CONCLUSIONS Alendronate led to a decrease in the rate of OTM, increase in BVF and TD, decrease in the number of osteoclasts, and smooth and thick collagen fibres compared with saline in both male and female OI mice.
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Affiliation(s)
- Shivam Mehta
- Department of Developmental Sciences/Orthodontics, Marquette University School of Dentistry, Milwaukee, WI, USA
| | - Ke Wang
- Division of Orthodontics, University of Connecticut Health, Farmington, USA
| | - Po-Jung Chen
- Division of Orthodontics, University of Connecticut Health, Farmington, USA
| | - Fan Zhichao
- Department of Immunology, University of Connecticut Health, Farmington, USA
| | - Ahmad Ahmida
- Division of Orthodontics, University of Connecticut Health, Farmington, USA
| | - Zana Kalajzic
- Department of Oral Health and Diagnostic Sciences, University of Connecticut, Farmington, USA
| | - Sumit Yadav
- Division of Orthodontics, University of Connecticut Health, Farmington, USA
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13
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Woodruff ED, Kircher BK, Armfield BA, Levy JK, Bloch JI, Cohn MJ. Domestic cat embryos reveal unique transcriptomes of developing incisor, canine, and premolar teeth. JOURNAL OF EXPERIMENTAL ZOOLOGY. PART B, MOLECULAR AND DEVELOPMENTAL EVOLUTION 2022; 338:516-531. [PMID: 35816012 DOI: 10.1002/jez.b.23168] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/28/2021] [Revised: 04/26/2022] [Accepted: 06/15/2022] [Indexed: 06/15/2023]
Abstract
Division of the dentition into morphologically distinct classes of teeth (incisors, canines, premolars, and molars) and the acquisition of tribosphenic molars facilitated precise occlusion between the teeth early in mammal evolution. Despite the evolutionary and ecological importance of distinct classes of teeth with unique cusp, crest, and basin morphologies, relatively little is known about the genetic basis for the development of different tooth classes within the embryo. Here we investigated genetic differences between developing deciduous incisor, canine, and premolar teeth in the domestic cat (Felis catus), which we propose to be a new model for tooth development. We examined differences in both developmental timing and crown morphology between the three tooth classes. Using RNA sequencing of early bell stage tooth germs, we showed that each of the three deciduous tooth classes possess a unique transcriptional profile. Three notable groups of genes emerged from our differential expression analysis; genes involved in the extracellular matrix (ECM), Wnt pathway signaling, and members of multiple homeobox gene families (Lhx, Dlx, Alx, and Nkx). Our results suggest that ECM genes may play a previously under-appreciated role in shaping the surface of the tooth crown during development. Differential regulation of these genes likely underlies differences in tooth crown shape and size, although subtle temporal differences in development between the tooth germs could also be responsible. This study provides foundational data for future experiments to examine the function of these candidate genes in tooth development to directly test their potential effects on crown morphology.
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Affiliation(s)
- Emily D Woodruff
- Department of Biology, University of Florida, Gainesville, Florida, USA
- Department of Natural History, Florida Museum of Natural History, University of Florida, Gainesville, Florida, USA
| | - Bonnie K Kircher
- Department of Biology, University of Florida, Gainesville, Florida, USA
| | - Brooke A Armfield
- Department of Molecular Genetics and Microbiology, University of Florida, Gainesville, Florida, USA
| | - Julie K Levy
- Department of Small Animal Clinical Sciences, College of Veterinary Medicine, University of Florida, Gainesville, Florida, USA
| | - Jonathan I Bloch
- Department of Biology, University of Florida, Gainesville, Florida, USA
- Department of Natural History, Florida Museum of Natural History, University of Florida, Gainesville, Florida, USA
| | - Martin J Cohn
- Department of Biology, University of Florida, Gainesville, Florida, USA
- Department of Molecular Genetics and Microbiology, University of Florida, Gainesville, Florida, USA
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14
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Faruangsaeng T, Thaweesapphitak S, Khamwachirapitak C, Porntaveetus T, Shotelersuk V. Comparative transcriptome profiles of human dental pulp stem cells from maxillary and mandibular teeth. Sci Rep 2022; 12:8860. [PMID: 35614192 PMCID: PMC9133121 DOI: 10.1038/s41598-022-12867-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2022] [Accepted: 05/11/2022] [Indexed: 11/09/2022] Open
Abstract
The molecular control of tooth development is different between the maxilla and mandible, contributing to different tooth shapes and locations; however, whether this difference occurs in human permanent teeth is unknown. The aim of this study was to investigate and compare the transcriptome profiles of permanent maxillary and mandibular posterior teeth. Ten participants who had a pair of opposing premolars or molars extracted were recruited. The RNA obtained from cultured dental pulp stem cells underwent RNA-sequencing and qRT-PCR. The transcriptome profiles of two opposing premolar pairs and two molar pairs demonstrated that the upper premolars, lower premolars, upper molars, and lower molars expressed the same top-ranked genes, comprising FN1, COL1A1, COL1A2, ACTB, and EEFIA1, which are involved in extracellular matrix organization, immune system, signal transduction, hemostasis, and vesicle-mediated transport. Comparative transcriptome analyses of each/combined tooth pairs demonstrated that PITX1 was the only gene with different expression levels between upper and lower posterior teeth. PITX1 exhibited a 64-fold and 116-fold higher expression level in lower teeth compared with their upper premolars and molars, respectively. These differences were confirmed by qRT-PCR. Taken together, this study, for the first time, reveals that PITX1 is expressed significantly higher in mandibular posterior teeth compared with maxillary posterior teeth. The difference is more evident in the molars compared with premolars and consistent with its expression pattern in mouse developing teeth. We demonstrate that differences in lower versus upper teeth gene expression during odontogenesis occur in permanent teeth and suggest that these differences should be considered in molecular studies of dental pulp stem cells. Our findings pave the way to develop a more precise treatment in regenerative dentistry such as gene-based therapies for dentin/pulp regeneration and regeneration of different tooth types.
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Affiliation(s)
- Thira Faruangsaeng
- International Graduate Program in Geriatric Dentistry and Special Patients Care, Faculty of Dentistry, Chulalongkorn University, Bangkok, Thailand.,Center of Excellence in Genomics and Precision Dentistry, Department of Physiology, Faculty of Dentistry, Chulalongkorn University, Bangkok, 10330, Thailand
| | - Sermporn Thaweesapphitak
- Center of Excellence in Genomics and Precision Dentistry, Department of Physiology, Faculty of Dentistry, Chulalongkorn University, Bangkok, 10330, Thailand
| | - Chompak Khamwachirapitak
- Center of Excellence in Genomics and Precision Dentistry, Department of Physiology, Faculty of Dentistry, Chulalongkorn University, Bangkok, 10330, Thailand
| | - Thantrira Porntaveetus
- International Graduate Program in Geriatric Dentistry and Special Patients Care, Faculty of Dentistry, Chulalongkorn University, Bangkok, Thailand. .,Center of Excellence in Genomics and Precision Dentistry, Department of Physiology, Faculty of Dentistry, Chulalongkorn University, Bangkok, 10330, Thailand.
| | - Vorasuk Shotelersuk
- Center of Excellence for Medical Genomics, Medical Genomics Cluster, Department of Pediatrics, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand.,Excellence Center for Genomics and Precision Medicine, King Chulalongkorn Memorial Hospital, The Thai Red Cross Society, Bangkok, Thailand
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15
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The Modified Shields Classification and 12 Families with Defined DSPP Mutations. Genes (Basel) 2022; 13:genes13050858. [PMID: 35627243 PMCID: PMC9141616 DOI: 10.3390/genes13050858] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2022] [Revised: 04/28/2022] [Accepted: 05/03/2022] [Indexed: 12/14/2022] Open
Abstract
Mutations in Dentin Sialophosphoprotein (DSPP) are known to cause, in order of increasing severity, dentin dysplasia type-II (DD-II), dentinogenesis imperfecta type-II (DGI-II), and dentinogenesis imperfecta type-III (DGI-III). DSPP mutations fall into two groups: a 5′-group that affects protein targeting and a 3′-group that shifts translation into the −1 reading frame. Using whole-exome sequence (WES) analyses and Single Molecule Real-Time (SMRT) sequencing, we identified disease-causing DSPP mutations in 12 families. Three of the mutations are novel: c.53T>C/p.(Val18Ala); c.3461delG/p.(Ser1154Metfs*160); and c.3700delA/p.(Ser1234Alafs*80). We propose genetic analysis start with WES analysis of proband DNA to identify mutations in COL1A1 and COL1A2 causing dominant forms of osteogenesis imperfecta, 5′-DSPP mutations, and 3′-DSPP frameshifts near the margins of the DSPP repeat region, and SMRT sequencing when the disease-causing mutation is not identified. After reviewing the literature and incorporating new information showing distinct differences in the cell pathology observed between knockin mice with 5′-Dspp or 3′-Dspp mutations, we propose a modified Shields Classification based upon the causative mutation rather than phenotypic severity such that patients identified with 5′-DSPP defects be diagnosed as DGI-III, while those with 3′-DSPP defects be diagnosed as DGI-II.
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16
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Tung JYL, Ho JLI, Wong R, Fung SC. Dental phenotype in an adolescent with osteogenesis imperfecta type XII. BMJ Case Rep 2022; 15:15/4/e246554. [PMID: 35418376 PMCID: PMC9013958 DOI: 10.1136/bcr-2021-246554] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Mutation in SP7, encoding the osteoblast-specific transcription factor SP7 (also known as osterix), has been described to cause osteogenesis imperfecta (OI) type XII. However, the exact dental phenotype has not been well described. We report the detailed dental manifestation of a boy known to have OI type XII, presented with impacted dentition, necessitating combined oral and maxillofacial surgical and orthodontic treatment. This case also highlighted the need of multidisciplinary team assessment in this group of children.
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Affiliation(s)
- Joanna Yuet-Ling Tung
- Department of Paediatrics and Adolescent Medicine, Hong Kong Children's Hospital, Hong Kong, Hong Kong
| | - Jeni Lai-In Ho
- Department of Dentistry and Maxillofacial Surgery, Hong Kong Children's Hospital, Hong Kong, Hong Kong
| | - Ricky Wong
- Department of Dentistry and Maxillofacial Surgery, Hong Kong Children's Hospital, Hong Kong, Hong Kong
| | - Siu-Chung Fung
- Department of Dentistry and Maxillofacial Surgery, Hong Kong Children's Hospital, Hong Kong, Hong Kong
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17
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Osteogenesis Imperfecta/Ehlers-Danlos Overlap Syndrome and Neuroblastoma-Case Report and Review of Literature. Genes (Basel) 2022; 13:genes13040581. [PMID: 35456387 PMCID: PMC9024599 DOI: 10.3390/genes13040581] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Revised: 03/22/2022] [Accepted: 03/23/2022] [Indexed: 11/21/2022] Open
Abstract
Osteogenesis imperfecta/Ehlers−Danlos (OI/EDS) overlap syndrome is a recently described disorder of connective tissue, characterized by mutation of COL1A1 (17q21.33) or COL1A2 (7q21.3) genes, that are involved in α-1 and α-2 chains of type 1 collagen synthesis. The clinical spectrum of this new clinical entity is broad: patients could present a mixed phenotype that includes features of both osteogenesis imperfecta (bone fragility, long bone fractures, blue sclerae, short stature) and Ehlers−Danlos syndrome (joint hyperextensibility, soft and hyperextensible skin, abnormal wound healing, easy bruising, vascular fragility). We reported the case of a young Caucasian girl with severe short stature and a previous history of neuroblastoma, who displayed the compound phenotype of OI/EDS. Next generation sequencing was applied to the proband and her parent genome. Our patient presented a de novo heterozygous COL1A1 variant (c.3235G>A, p.Gly1079Ser), whose presence might be indicative of diagnosis of OI/EDS overlap syndrome. We also hypothesize that the association with the previous history of neuroblastoma could be influenced by the presence of COL1A1 mutation, whose role has been already described in the behavior and progression of some cancers.
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18
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Choi Y, Hwang S, Kim GH, Lee BH, Yoo HW, Choi JH. Genotype-phenotype correlations and long-term efficacy of pamidronate therapy in patients with osteogenesis imperfecta. Ann Pediatr Endocrinol Metab 2022; 27:22-29. [PMID: 35073670 PMCID: PMC8984751 DOI: 10.6065/apem.2142144.072] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/19/2021] [Accepted: 11/07/2021] [Indexed: 11/20/2022] Open
Abstract
PURPOSE Osteogenesis imperfecta (OI) is a rare bone fragility disorder caused by defects in type 1 collagen biosynthesis. This study investigated the genotype-phenotype correlations and the efficacy of pamidronate therapy in patients with OI in a single academic center. METHODS This study included 24 patients with OI. A clinical scoring system was used to evaluate disorder severity. COL1A1 and COL1A2 genes were analyzed in 13 patients using Sanger sequencing. Genotype-phenotype correlations and the efficacy of pamidronate therapy were analyzed through a retrospective medical chart review. RESULTS Of the 24 patients, 18 (75%) were classified as type I (12 with type Ia and 6 with type Ib), 2 as type III (8.4%), and 4 as type IV (16.7%). Type Ia patients showed relatively higher lumbar bone mineral density (BMD) standard deviation scores (SDS) and lower clinical scores than those with other types. Seven patients with qualitative mutations had lower lumbar BMD-SDS (P=0.015) and higher clinical scores (P=0.008) than 6 patients with quantitative mutations. The annual fracture frequency and lumbar BMD-SDS improved in patients with qualitative mutations after pamidronate treatment. CONCLUSION This study demonstrated that OI patients with qualitative mutations in COL1A1/2 had a more severe phenotype than those with quantitative mutations. Patients with qualitative mutations showed a significant reduction in fracture frequency and an increase in lumbar BMD-SDS after pamidronate treatment. Clinical score and genotype might be helpful for predicting phenotype and response to pamidronate therapy in OI patients.
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Affiliation(s)
- Yunha Choi
- Department of Pediatrics, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Soojin Hwang
- Department of Pediatrics, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Gu-Hwan Kim
- Medical Genetics Center, Asan Medical Center, Seoul, Korea
| | - Beom Hee Lee
- Department of Pediatrics, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Han-Wook Yoo
- Department of Pediatrics, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Jin-Ho Choi
- Department of Pediatrics, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea,Address for correspondence: Jin-Ho Choi Department of Pediatrics, Asan Medical Center, University of Ulsan College of Medicine, 88 Olympic-ro 43-gil, Songpa-gu, Seoul 05505, Korea
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19
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Stanwick M, Barkley C, Serra R, Kruggel A, Webb A, Zhao Y, Pietrzak M, Ashman C, Staats A, Shahid S, Peters SB. Tgfbr2 in Dental Pulp Cells Guides Neurite Outgrowth in Developing Teeth. Front Cell Dev Biol 2022; 10:834815. [PMID: 35265620 PMCID: PMC8901236 DOI: 10.3389/fcell.2022.834815] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2021] [Accepted: 01/24/2022] [Indexed: 11/13/2022] Open
Abstract
Transforming growth factor β (TGFβ) plays an important role in tooth morphogenesis and mineralization. During postnatal development, the dental pulp (DP) mesenchyme secretes neurotrophic factors that guide trigeminal nerve fibers into and throughout the DP. This process is tightly linked with dentin formation and mineralization. Our laboratory established a mouse model in which Tgfbr2 was conditionally deleted in DP mesenchyme using an Osterix promoter-driven Cre recombinase (Tgfbr2 cko ). These mice survived postnatally with significant defects in bones and teeth, including reduced mineralization and short roots. Hematoxylin and eosin staining revealed reduced axon-like structures in the mutant mice. Reporter imaging demonstrated that Osterix-Cre activity within the tooth was active in the DP and derivatives, but not in neuronal afferents. Immunofluorescence staining for β3 tubulin (neuronal marker) was performed on serial cryosections from control and mutant molars on postnatal days 7 and 24 (P7, P24). Confocal imaging and pixel quantification demonstrated reduced innervation in Tgfbr2 cko first molars at both stages compared to controls, indicating that signals necessary to promote neurite outgrowth were disrupted by Tgfbr2 deletion. We performed mRNA-Sequence (RNA-Seq) and gene onotology analyses using RNA from the DP of P7 control and mutant mice to investigate the pathways involved in Tgfbr2-mediated tooth development. These analyses identified downregulation of several mineralization-related and neuronal genes in the Tgfbr2 cko DP compared to controls. Select gene expression patterns were confirmed by quantitative real-time PCR and immunofluorescence imaging. Lastly, trigeminal neurons were co-cultured atop Transwell filters overlying primary Tgfbr2 f/f DP cells. Tgfbr2 in the DP was deleted via Adenovirus-expressed Cre recombinase. Confocal imaging of axons through the filter pores showed increased axonal sprouting from neurons cultured with Tgfbr2-positive DP cells compared to neurons cultured alone. Axon sprouting was reduced when Tgfbr2 was knocked down in the DP cells. Immunofluorescence of dentin sialophosphoprotein in co-cultured DP cells confirmed reduced mineralization potential in cells with Tgfbr2 deletion. Both our proteomics and RNA-Seq analyses indicate that axonal guidance cues, particularly semaphorin signaling, were disrupted by Tgfbr2 deletion. Thus, Tgfbr2 in the DP mesenchyme appears to regulate differentiation and the cells' ability to guide neurite outgrowth during tooth mineralization and innervation.
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Affiliation(s)
- Monica Stanwick
- Division of Biosciences, College of Dentistry, The Ohio State University, Columbus, OH, United States
| | - Courtney Barkley
- Department of Cell Developmental and Integrative Biology, University of Alabama at Birmingham, Birmingham, AL, United States
| | - Rosa Serra
- Department of Cell Developmental and Integrative Biology, University of Alabama at Birmingham, Birmingham, AL, United States
| | - Andrew Kruggel
- Division of Biosciences, College of Dentistry, The Ohio State University, Columbus, OH, United States
| | - Amy Webb
- Department of Biomedical Informatics, The Ohio State University, Columbus, OH, United States
| | - Yue Zhao
- Department of Biomedical Informatics, The Ohio State University, Columbus, OH, United States
| | - Maciej Pietrzak
- Department of Biomedical Informatics, The Ohio State University, Columbus, OH, United States
| | - Chandler Ashman
- Division of Biosciences, College of Dentistry, The Ohio State University, Columbus, OH, United States
| | - Allie Staats
- Division of Biosciences, College of Dentistry, The Ohio State University, Columbus, OH, United States
| | - Shifa Shahid
- Division of Biosciences, College of Dentistry, The Ohio State University, Columbus, OH, United States
| | - Sarah B. Peters
- Division of Biosciences, College of Dentistry, The Ohio State University, Columbus, OH, United States,Department of Cell Developmental and Integrative Biology, University of Alabama at Birmingham, Birmingham, AL, United States,*Correspondence: Sarah B. Peters,
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20
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Abstract
The development and repair of dentin are strictly regulated by hundreds of genes. Abnormal dentin development is directly caused by gene mutations and dysregulation. Understanding and mastering this signal network is of great significance to the study of tooth development, tissue regeneration, aging, and repair and the treatment of dental diseases. It is necessary to understand the formation and repair mechanism of dentin in order to better treat the dentin lesions caused by various abnormal properties, whether it is to explore the reasons for the formation of dentin defects or to develop clinical drugs to strengthen the method of repairing dentin. Molecular biology of genes related to dentin development and repair are the most important basis for future research.
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Affiliation(s)
- Shuang Chen
- Shanghai Key Laboratory of Craniomaxillofacial Development and Diseases, Shanghai Stomatological Hospital, Fudan University, Shanghai, P. R. China.,Department of Prosthodontics, Shanghai Stomatological Hospital, Fudan University, Shanghai, P. R. China
| | - Han Xie
- Department of Stomatology, Huashan Hospital, Fudan University, Shanghai, P. R. China
| | - Shouliang Zhao
- Department of Stomatology, Huashan Hospital, Fudan University, Shanghai, P. R. China
| | - Shuai Wang
- Shanghai Key Laboratory of Craniomaxillofacial Development and Diseases, Shanghai Stomatological Hospital, Fudan University, Shanghai, P. R. China
| | - Xiaoling Wei
- Shanghai Key Laboratory of Craniomaxillofacial Development and Diseases, Shanghai Stomatological Hospital, Fudan University, Shanghai, P. R. China.,Department of Endodontics, Shanghai Stomatological Hospital, Fudan University, Shanghai, P. R. China
| | - Shangfeng Liu
- Shanghai Key Laboratory of Craniomaxillofacial Development and Diseases, Shanghai Stomatological Hospital, Fudan University, Shanghai, P. R. China
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21
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Taqi D, Moussa H, Schwinghamer T, Vieira AR, Dagdeviren D, Retrouvey JM, Rauch F, Tamimi F. Missing and unerupted teeth in osteogenesis imperfecta. Bone 2021; 150:116011. [PMID: 34020077 DOI: 10.1016/j.bone.2021.116011] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/14/2021] [Revised: 05/02/2021] [Accepted: 05/14/2021] [Indexed: 12/19/2022]
Abstract
INTRODUCTION Osteogenesis imperfecta (OI) is a genetic disorder characterized by bone fragility and craniofacial and dental abnormalities such as congenitally missing teeth and teeth that failed to erupt which are believed to be doubled in OI patients than normal populations and were associated with low oral health quality of life. However, the etiology of these abnormalities remains unclear. To understand the factors influencing missing and unerupted teeth, we investigated their prevalence in a cohort of OI patients as a function of the clinical phenotype (OI type), the genetic variant type, the tooth type and the onset of bisphosphonate treatment. METHOD A total of 144 OI patients were recruited from The Shriners Hospital, Montreal, Canada, between 2016 and 2017. Patients were evaluated using intraoral photographs and panoramic radiographs. Missing teeth were evaluated in all patients, and unerupted teeth were assessed only in patients ≥15 years old (n = 82). RESULTS On average, each OI patient had 2.4 missing teeth and 0.8 unerupted teeth, and the most common missing and unerupted teeth were the premolars and the upper second molars, respectively. These phenomena were more prominent in OI type III and IV than in OI type I, and were not sex or age-related. Missing teeth were significantly more common in patients with C-propeptide variants than all other variants (p-value <0.05). Unerupted teeth were significantly more common in patients with α1 and α2 glycine variants or substitutions than in those with haploinsufficiency variants. Early-onset of bisphosphonate treatment would significantly increase the risk of unerupted teeth in patients with OI types III and IV (OR = 1.68, 95% CI (1.15-1.53)). CONCLUSION The prevalence of missing and unerupted teeth at the tooth type level in OI patients varies according to the nature of the collagen variants and the OI type. These findings highlight the role of collagen in tooth development and eruption.
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Affiliation(s)
- Doaa Taqi
- Faculty of Dentistry, McGill University, Montreal, Quebec, Canada.
| | - Hanan Moussa
- Faculty of Dentistry, McGill University, Montreal, Quebec, Canada; Faculty of Dentistry, Benghazi university, Libya.
| | | | | | - Didem Dagdeviren
- Faculty of Dentistry, McGill University, Montreal, Quebec, Canada.
| | - Jean-Marc Retrouvey
- Faculty of Dentistry, McGill University, Montreal, Quebec, Canada; School of Dentistry, University of Missouri, Kansas City, USA.
| | - Frank Rauch
- Shriners Hospital for Children, Montreal, Quebec, Canada.
| | - Faleh Tamimi
- Faculty of Dentistry, McGill University, Montreal, Quebec, Canada; College of Dental Medicine, QU Health, Qatar University, Doha, Qatar.
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Qin W, Wan QQ, Ma YX, Wang CY, Wan MC, Ma S, Wang YR, Wang WR, Gu JT, Tay FR, Niu LN. Manifestation and Mechanisms of Abnormal Mineralization in Teeth. ACS Biomater Sci Eng 2021; 9:1733-1756. [PMID: 34436861 DOI: 10.1021/acsbiomaterials.1c00592] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Tooth biomineralization is a dynamic and complicated process influenced by local and systemic factors. Abnormal mineralization in teeth occurs when factors related to physiologic mineralization are altered during tooth formation and after tooth maturation, resulting in microscopic and macroscopic manifestations. The present Review provides timely information on the mechanisms and structural alterations of different forms of pathological tooth mineralization. A comprehensive study of these alterations benefits diagnosis and biomimetic treatment of abnormal mineralization in patients.
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Affiliation(s)
- Wen Qin
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi Key Laboratory of Stomatology, Department of Prosthodontics, School of Stomatology, The Fourth Military Medical University, Xi'an, Shaanxi 710032, P. R. China
| | - Qian-Qian Wan
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi Key Laboratory of Stomatology, Department of Prosthodontics, School of Stomatology, The Fourth Military Medical University, Xi'an, Shaanxi 710032, P. R. China
| | - Yu-Xuan Ma
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi Key Laboratory of Stomatology, Department of Prosthodontics, School of Stomatology, The Fourth Military Medical University, Xi'an, Shaanxi 710032, P. R. China
| | - Chen-Yu Wang
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi Key Laboratory of Stomatology, Department of Prosthodontics, School of Stomatology, The Fourth Military Medical University, Xi'an, Shaanxi 710032, P. R. China
| | - Mei-Chen Wan
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi Key Laboratory of Stomatology, Department of Prosthodontics, School of Stomatology, The Fourth Military Medical University, Xi'an, Shaanxi 710032, P. R. China
| | - Sai Ma
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi Key Laboratory of Stomatology, Department of Prosthodontics, School of Stomatology, The Fourth Military Medical University, Xi'an, Shaanxi 710032, P. R. China
| | - Yi-Rong Wang
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi Key Laboratory of Stomatology, Department of Prosthodontics, School of Stomatology, The Fourth Military Medical University, Xi'an, Shaanxi 710032, P. R. China
| | - Wan-Rong Wang
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi Key Laboratory of Stomatology, Department of Prosthodontics, School of Stomatology, The Fourth Military Medical University, Xi'an, Shaanxi 710032, P. R. China
| | - Jun-Ting Gu
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi Key Laboratory of Stomatology, Department of Prosthodontics, School of Stomatology, The Fourth Military Medical University, Xi'an, Shaanxi 710032, P. R. China
| | - Franklin R Tay
- College of Graduate Studies, Augusta University, Augusta, Georgia 30912, United States
| | - Li-Na Niu
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi Key Laboratory of Stomatology, Department of Prosthodontics, School of Stomatology, The Fourth Military Medical University, Xi'an, Shaanxi 710032, P. R. China
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Malmgren B, Thesleff I, Dahllöf G, Åström E, Tsilingaridis G. Abnormalities in Tooth Formation after Early Bisphosphonate Treatment in Children with Osteogenesis Imperfecta. Calcif Tissue Int 2021; 109:121-131. [PMID: 33743023 PMCID: PMC8273054 DOI: 10.1007/s00223-021-00835-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/19/2021] [Accepted: 03/03/2021] [Indexed: 01/20/2023]
Abstract
Treatment with intravenous bisphosphonate (BP) in children and adolescents with osteogenesis imperfecta (OI) started in Sweden in 1991. No human studies on the role of BP therapy in development of disturbances in tooth mineralization or tooth morphology have been published. The study cohort comprised 219 individuals who were divided into four groups: group 1, BP treatment onset before 2 years of age (n = 22); group 2, BP treatment onset between 2 and 6 years of age (n = 20); group 3, BP treatment onset between 6 and 10 years of age (n = 13); and a control group of patients with OI who had not received BP therapy (n = 164). The chi-square test was used in between-group comparisons of the prevalence of tooth agenesis. The prevalence of tooth agenesis was significantly higher in children who began BP treatment before the age of 2 years (group 1; 59%,) compared to the controls (10%; p < 0.001) and to children who had begun BP therapy between ages 2 and 6 years (group 2; 10%; p = 0.009) or between ages 6 and 10 years (group 3; 8%; p = 0.003). Different types of disturbances in the enamel formation were seen in 52 premolars, where 51 were seen in those who began BP treatment before the age of 2 years. To conclude, starting BP treatment before the age of 2 years increases the risk of abnormalities in tooth formation manifesting as morphological aberrations, tooth agenesis, and enamel defects.
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Affiliation(s)
- Barbro Malmgren
- Department of Dental Medicine, Division of Orthodontics and Pediatric Dentistry, Karolinska Institutet, POB 4046, 141 04, Huddinge, Sweden.
| | - Irma Thesleff
- Developmental Biology Program, Institute of Biotechnology, University of Helsinki, Helsinki, Finland
| | - Göran Dahllöf
- Department of Dental Medicine, Division of Orthodontics and Pediatric Dentistry, Karolinska Institutet, POB 4046, 141 04, Huddinge, Sweden
- Center for Pediatric Oral Health Research, Stockholm, Sweden
- TkMidt - Center for Oral Health Services and Research, Mid-Norway, Trondheim, Norway
| | - Eva Åström
- Department of Women's and Children's Health, Karolinska Institutet, Stockholm, Sweden
- Pediatric Neurology, Astrid Lindgren Children's Hospital at Karolinska University Hospital, Stockholm, Sweden
| | - Georgios Tsilingaridis
- Department of Dental Medicine, Division of Orthodontics and Pediatric Dentistry, Karolinska Institutet, POB 4046, 141 04, Huddinge, Sweden
- Center for Pediatric Oral Health Research, Stockholm, Sweden
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Taqi D, Moussa H, Schwinghamer T, Ducret M, Dagdeviren D, Retrouvey JM, Rauch F, Tamimi F. Osteogenesis imperfecta tooth level phenotype analysis: Cross-sectional study. Bone 2021; 147:115917. [PMID: 33741542 PMCID: PMC8278321 DOI: 10.1016/j.bone.2021.115917] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/06/2020] [Revised: 02/16/2021] [Accepted: 03/11/2021] [Indexed: 10/21/2022]
Abstract
INTRODUCTION Dental anomalies in Osteogenesis imperfecta (OI), such as tooth discoloration, pulp obliteration (calcified dental pulp space), and taurodontism (enlarged dental pulp space) vary between and within patients. To better understand the associations and variations in these anomalies, a cross-sectional study was designed to analyze the dental phenotype in OI patients at the individual tooth type. METHOD A cohort of 171 individuals with OI type I, III and IV, aged 3-55 years, were recruited and evaluated for tooth discoloration, pulp obliteration, and taurodontism at the individual tooth level, using intraoral photographs and panoramic radiographs. RESULTS Genetic variants were identified in 154 of the participants. Patients with Helical α1 and α2 glycine substitutions presented the highest prevalence of tooth discoloration, while those with α1 Haploinsufficiency had the lowest (<10%). C-propeptide variants did not cause discoloration but resulted in the highest pulp obliteration prevalence (~%20). The prevalence of tooth discoloration and pulp obliteration was higher in OI types III and IV and increased with age. Tooth discoloration was mainly observed in teeth known to have thinner enamel (i.e. lower anterior), while pulp obliteration was most prevalent in the first molars. A significant association was observed between pulp obliteration and tooth discoloration, and both were associated with a lack of occlusal contact. Taurodontism was only found in permanent teeth and affected mostly first molars, and its prevalence decreased with age. CONCLUSION The dental phenotype evaluation at the tooth level revealed that different genetic variants and associated clinical phenotypes affect each tooth type differently, and genetic variants are better predictors of the dental phenotype than the type of OI. Our results also suggest that tooth discoloration is most likely an optical phenomenon inversely proportional to enamel thickness, and highly associated with pulp obliteration. In turn, pulp obliteration is proportional to patient age, it is associated with malocclusion and likely related to immature progressive dentin deposition. Taurodontism is an isolated phenomenon that is probably associated with delayed pulpal maturation.
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Affiliation(s)
- Doaa Taqi
- Faculty of Dentistry, McGill University, Montreal, Quebec, Canada.
| | - Hanan Moussa
- Faculty of Dentistry, McGill University, Montreal, Quebec, Canada; Faculty of Dentistry, Benghazi University, Libya.
| | | | - Maxime Ducret
- Faculty of Dentistry, McGill University, Montreal, Quebec, Canada; Faculty of Dentistry, Lyon University, Lyon, France.
| | - Didem Dagdeviren
- Faculty of Dentistry, McGill University, Montreal, Quebec, Canada.
| | - Jean-Marc Retrouvey
- Faculty of Dentistry, McGill University, Montreal, Quebec, Canada; School of Dentistry, University of Missouri, Kansas City, USA.
| | - Frank Rauch
- Shriners Hospital for Children, Montreal, Quebec, Canada.
| | - Faleh Tamimi
- Faculty of Dentistry, McGill University, Montreal, Quebec, Canada; College of Dental Medicine, QU Health, Qatar University, Doha, Qatar.
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Staun Larsen L, Thuesen KJ, Gjørup H, Hald JD, Væth M, Dalstra M, Haubek D. Reduced mesiodistal tooth dimension in individuals with osteogenesis imperfecta: a cross-sectional study. Acta Odontol Scand 2021; 79:262-267. [PMID: 33103531 DOI: 10.1080/00016357.2020.1836391] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
OBJECTIVE Osteogenesis imperfecta (OI) is a rare, hereditary disease affecting collagen type-1 in connective tissue. Collagen type-1 is a substantial component of dentine, and it is speculated, whether affected dentine could cause altered mesiodistal tooth dimension possibly affecting restorative treatment regimen. Therefore, the aim of the present study was to measure mesiodistal tooth dimensions in individuals with OI and compare them with healthy controls. MATERIALS AND METHODS Fifty-seven individuals aged 20-77 years with OI type 1-4 were included and 70 control patients aged 11-34 years were drawn from an orthodontic database. Mesiodistal tooth dimensions of all tooth types, except third molars, were measured in mm (two decimals) on digital 3 D-models of the tooth-bearing arches. RESULTS Multilevel mixed-effects linear regression analysis showed that mesiodistal tooth dimension on average was 0.17 mm (95% CI = (-0.33; -0.01)) reduced for the OI group compared to controls. The analysis revealed variation between tooth types; incisors and first premolars were most affected and molars minimally affected. CONCLUSIONS The mesiodistal tooth dimension in individuals diagnosed with OI is significantly smaller compared to healthy controls, which should be taken into consideration in the restorative treatment planning of individuals with OI, although the magnitude of the deviation is relatively small. The results on mesiodistal tooth dimensions of the present controls may be used as a standard for comparisons in future studies on tooth dimensions.
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Affiliation(s)
- L. Staun Larsen
- Department of Dentistry and Oral Health, Aarhus University, Aarhus, Denmark
| | - K. J. Thuesen
- Mariagerfjord Municipal Dental Service, Mariagerfjord Municipality, Hobro, Denmark
| | - H. Gjørup
- Centre for Oral Health in Rare Diseases, Department of Oral and Maxillofacial Surgery, Aarhus University Hospital, Aarhus, Denmark
| | - J. D. Hald
- Department of Endocrinology and Internal Medicine, Aarhus University Hospital, Aarhus, Denmark
| | - M. Væth
- Department of Public Health, Aarhus University, Aarhus, Denmark
| | - M. Dalstra
- Department of Dentistry and Oral Health, Aarhus University, Aarhus, Denmark
- Department of Orthodontics and Pediatric Dentistry, University Center for Dental Medicine in Basel (UZB), Basel, Switzerland
| | - D. Haubek
- Department of Dentistry and Oral Health, Aarhus University, Aarhus, Denmark
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Nguyen HTT, Vu DC, Nguyen DM, Dang QD, Tran VK, Le H, Tong SM. Dentinogenesis Imperfecta and Caries in Osteogenesis Imperfecta among Vietnamese Children. Dent J (Basel) 2021; 9:dj9050049. [PMID: 33925433 PMCID: PMC8144955 DOI: 10.3390/dj9050049] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2021] [Revised: 04/21/2021] [Accepted: 04/23/2021] [Indexed: 02/05/2023] Open
Abstract
Osteogenesis imperfecta (OI) is a genetic disorder characterized by increased bone fragility and low bone mass, caused mainly by mutations in collagen type I encoding genes. The current study aimed to evaluate dentinogenesis imperfecta (DI), oral manifestations and caries status of OI children. Sixty-eight children (41 males, 27 females) aged from 3 to 17 years old (mean 9 ± 4.13) participated in the study. Participants were classified into three OI type groups (I—2 cases, III—31 cases and IV—35 cases). Clinical examination and an orthopantomogram were used to obtain prevalences and associations of DI, caries status, malocclusion, crossbite, open bite, eruption, impaction and missing teeth with OI. The prevalence of DI among OI patients was 47.1%, more common in OI type III than type IV. The yellow-brown discoloration type was more vulnerable to attrition than the opalescent-grey one in the primary dentition. OI seemed not to have a high risk of caries; the prevalence of caries was 69.1%. A high incidence of malocclusion, crossbite and open bite was observed. In-depth oral information would provide valuable data for better dental management in OI patients. Parents and general doctors should pay more attention to dental care to prevent caries and premature tooth loss.
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Affiliation(s)
| | - Dung Chi Vu
- Department of Endocrinology, Metabolism and Genetics, Vietnam National Children’s Hospital, Hanoi 100000, Vietnam;
| | - Duc Minh Nguyen
- School of Odonto-Stomatology, Hanoi Medical University, Hanoi 100000, Vietnam;
- Division of Research and Treatment for Oral Maxillofacial Congenital Anomalies, Aichi Gakuin University, Aichi 464-8651, Japan
- Correspondence: (D.M.N.); (S.M.T.); Tel.: +81-80-7893-2739 (D.M.N.); +84-91-267-0670 (S.M.T.)
| | - Quang Dinh Dang
- Faculty of Dentistry, Hanoi University of Business and Technology, Hanoi 100000, Vietnam;
| | - Van Khanh Tran
- Center for Gene and Protein Research, Hanoi Medical University, Hanoi 100000, Vietnam;
| | - Hung Le
- Dong Da General Hospital, Hanoi 100000, Vietnam;
| | - Son Minh Tong
- School of Odonto-Stomatology, Hanoi Medical University, Hanoi 100000, Vietnam;
- Correspondence: (D.M.N.); (S.M.T.); Tel.: +81-80-7893-2739 (D.M.N.); +84-91-267-0670 (S.M.T.)
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Phenotypic features of dentinogenesis imperfecta associated with osteogenesis imperfecta and COL1A2 mutations. Oral Surg Oral Med Oral Pathol Oral Radiol 2021; 131:694-701. [PMID: 33737018 DOI: 10.1016/j.oooo.2021.01.003] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2020] [Revised: 12/02/2020] [Accepted: 01/05/2021] [Indexed: 01/03/2023]
Abstract
OBJECTIVE Dentinogenesis imperfecta (DI) requires dental treatment. This study investigated the characteristics of DI teeth associated with osteogenesis imperfecta (OI) and COL1A2 mutations. STUDY DESIGN Whole exome and Sanger sequencing were performed. Three primary teeth (called "OIDI teeth") obtained from 3 unrelated COL1A2 patients were investigated and compared with 9 control teeth from age-matched healthy individuals using colorimetry, micro-computed tomography, Knoop microhardness, energy dispersive X-ray spectroscopy, scanning electron microscopy, and histology. RESULTS All patients were identified with heterozygous glycine substitutions in COL1A2. The COL1A2 mutations, c.1531G>T and c.2027G>T, were de novo, whereas c.3106G>C was inherited. OIDI1, 2, and 3 teeth had a substantial decrease in dentin microhardness and lightness. OIDI2 enamel microhardness was significantly reduced, whereas OIDI1 and 3 had enamel microhardness comparable to that of control individuals. The OIDI1 pulp cavity was large; OIDI2 was narrow; and OIDI3 was obliterated. OIDI1 and 3 had significantly higher carbon levels than those in control individuals. Numerous ectopic calcified masses, sparse and obstructed dentinal tubules, dentin holes, and collagen disorientation were observed. CONCLUSIONS OIDI teeth had reduced lightness and variable pulp morphology. Weak dentin, mineral disproportion, and abnormal ultrastructure could contribute to the brittleness of OIDI teeth and adhesive restoration failure. Here, we expand the phenotypic spectrum of COL1A2 mutations and raise awareness among dentists seeing patients with OI.
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Messineo D, Luzzi V, Pepe F, Celli L, Turchetti A, Zambrano A, Celli M, Polimeni A, Ierardo G. New 3D Cone Beam CT Imaging Parameters to Assist the Dentist in Treating Patients with Osteogenesis Imperfecta. Healthcare (Basel) 2020; 8:healthcare8040546. [PMID: 33321783 PMCID: PMC7764058 DOI: 10.3390/healthcare8040546] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2020] [Revised: 12/08/2020] [Accepted: 12/09/2020] [Indexed: 12/17/2022] Open
Abstract
(1) Background: The aim of the work is to identify some imaging parameters in osteogenesis imperfecta to assist the dentist in the diagnosis, planning, and orthodontic treatment of Osteogenesis Imperfecta (OI) using 3D cone beam Computed Tomography (CBCT) and the Double Energy X-ray Absorptiometry (DEXA) technique. (2) Methods: 14 patients (9 males and 5 females; aged mean ± SD 15 ± 1.5) with a clinical-radiological diagnosis of OI were analyzed and divided into mild and moderate to severe forms. The patients' samples were compared with a control group of 14 patients (8 males and 6 females; aged mean ± SD 15 ± 1.7), free from osteoporotic pathologies. (3) Results: The statistical analysis allowed us to collect four datasets: in the first dataset (C1 sick population vs. C1 healthy population), the t-test showed a p-value < 0.0001; in the second dataset (C2 sick population vs. C2 healthy population), the t-test showed a p-value < 0.0001; in the third dataset (parameter X of the sick population vs. parameter X of the healthy population), the t-test showed a p-value < 0.0001; in the fourth dataset the bone mineralometry (BMD) value detected by the DEXA technique compared to the C2 value of the OI affected population only) the Welch-Satterthwaite test showed a p-value < 0.0001. (4) Conclusions: The research has produced specific imaging parameters that assist the dentist in making diagnostic decisions in OI patients. This study shows that patients with OI have a characteristic chin-bearing symphysis, thinned, and narrowed towards the center, configuring it with a constant "hourglass" appearance, not reported so far in the literature by any author.
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Affiliation(s)
- Daniela Messineo
- Department of Radiological, Oncological and Anatomo-Pathological Sciences, Sapienza University of Rome, 00161 Rome, Italy
- Correspondence: ; Tel.: +39-06-49976721
| | - Valeria Luzzi
- Department of Oral and Maxillo-Facial Sciences, Sapienza University of Rome, 00161 Rome, Italy; (V.L.); (F.P.); (A.P.); (G.I.)
| | - Francesca Pepe
- Department of Oral and Maxillo-Facial Sciences, Sapienza University of Rome, 00161 Rome, Italy; (V.L.); (F.P.); (A.P.); (G.I.)
| | - Luca Celli
- Rare Bone Metabolism Center, Pediatric Department, Sapienza University of Rome, 00161 Rome, Italy; (L.C.); (A.T.); (A.Z.); (M.C.)
| | - Arianna Turchetti
- Rare Bone Metabolism Center, Pediatric Department, Sapienza University of Rome, 00161 Rome, Italy; (L.C.); (A.T.); (A.Z.); (M.C.)
| | - Anna Zambrano
- Rare Bone Metabolism Center, Pediatric Department, Sapienza University of Rome, 00161 Rome, Italy; (L.C.); (A.T.); (A.Z.); (M.C.)
| | - Mauro Celli
- Rare Bone Metabolism Center, Pediatric Department, Sapienza University of Rome, 00161 Rome, Italy; (L.C.); (A.T.); (A.Z.); (M.C.)
| | - Antonella Polimeni
- Department of Oral and Maxillo-Facial Sciences, Sapienza University of Rome, 00161 Rome, Italy; (V.L.); (F.P.); (A.P.); (G.I.)
| | - Gaetano Ierardo
- Department of Oral and Maxillo-Facial Sciences, Sapienza University of Rome, 00161 Rome, Italy; (V.L.); (F.P.); (A.P.); (G.I.)
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Prado HV, Teixeira SA, Rabello F, Vargas-Ferreira F, Borges-Oliveira AC, Abreu LG. Malocclusion in individuals with osteogenesis imperfecta: A systematic review and meta-analysis. Oral Dis 2020; 28:314-325. [PMID: 33222339 DOI: 10.1111/odi.13715] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2020] [Revised: 10/28/2020] [Accepted: 10/30/2020] [Indexed: 11/27/2022]
Abstract
OBJECTIVE To evaluate whether individuals with osteogenesis imperfecta (OI) are more affected by malocclusion than individuals without OI. MATERIALS AND METHODS Searches in PubMed, Ovid, Web of Science, Scopus, Lilacs and gray literature were performed. Data extraction was conducted by two researchers. Risk of bias assessment employing the Newcastle-Ottawa Scale and meta-analysis were conducted. Results were provided with mean difference (MD), odds ratio (OR) and 95% confidence interval (CI). Strength of evidence was determined. RESULTS Six cross-sectional studies were included. In comparison with individuals without OI, the group with OI had 19.69-fold greater chance of exhibiting Angle Class III malocclusion (OR = 19.69, CI: 9.00-43.09) and presenting anterior crossbite greater (MD = 6.08, CI: 2.40-9.77). Individuals without OI had a significantly greater ANB angle (MD = 3.88, CI: 1.15-6.61) and SNA angle (MD = 2.11, CI: 0.24-3.98) in comparison with those with OI. No difference between groups was found for SNB (MD = -0.50, CI: -2.21 to 1.21) and open bite (MD = 0.98, CI: -0.29 to 2.25). Most studies included had moderate methodological quality. Strength of evidence was low or very low. CONCLUSIONS The occurrence of Angle Class III malocclusion and anterior crossbite was greater among individuals with OI compared to those without OI. These findings can assist stakeholders about the occlusal abnormalities affecting OI individuals.
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Affiliation(s)
- Heloisa Vieira Prado
- Department of Dental Public Health, Faculty of Dentistry, Federal University of Minas Gerais, Belo Horizonte, Brazil
| | - Suélen Alves Teixeira
- Department of Dental Public Health, Faculty of Dentistry, Federal University of Minas Gerais, Belo Horizonte, Brazil
| | - Flavia Rabello
- Department of Dental Public Health, Faculty of Dentistry, Federal University of Minas Gerais, Belo Horizonte, Brazil
| | - Fabiana Vargas-Ferreira
- Department of Dental Public Health, Faculty of Dentistry, Federal University of Minas Gerais, Belo Horizonte, Brazil
| | - Ana Cristina Borges-Oliveira
- Department of Dental Public Health, Faculty of Dentistry, Federal University of Minas Gerais, Belo Horizonte, Brazil
| | - Lucas Guimarães Abreu
- Department of Pediatric Dentistry, Faculty of Dentistry, Federal University of Minas Gerais, Belo Horizonte, Brazil
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Sarapultseva M, Leleko A, Sarapultsev A. Case report: Rehabilitation of a child with dentinogenesis imperfecta with CAD/CAM approach: Three‐year follow‐up. SPECIAL CARE IN DENTISTRY 2020; 40:511-518. [DOI: 10.1111/scd.12500] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2020] [Revised: 07/08/2020] [Accepted: 07/10/2020] [Indexed: 11/29/2022]
Affiliation(s)
- Maria Sarapultseva
- Department of Pediatric Dentistry Medical Firm Vital EVV Ekaterinburg Russia
- Institute of Immunology and Physiology (IIP) Ural Division of Russian Academy of Sciences Ekaterinburg Russia
| | - Alina Leleko
- Department of Pediatric Dentistry Medical Firm Vital EVV Ekaterinburg Russia
- Institute of Immunology and Physiology (IIP) Ural Division of Russian Academy of Sciences Ekaterinburg Russia
| | - Alexey Sarapultsev
- Institute of Immunology and Physiology (IIP) Ural Division of Russian Academy of Sciences Ekaterinburg Russia
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Abstract
PURPOSE OF REVIEW The goal of this review is to give an overview of diagnosis and up-to-date management of major pediatric metabolic bone diseases that are associated with bone fragility, including nutritional rickets, hypophosphatemic rickets, osteogenesis imperfecta, Ehlers--Danlos syndrome, Marfan's syndrome, hypophosphatasia, osteopetrosis and skeletal fluorosis. RECENT FINDINGS During the past decade, a number of advanced treatment options have been introduced and shown to be an effective treatment in many metabolic bone disorders, such as burosumab for hypophosphatemic rickets and asfotase alfa for hypophosphatasia. On the other hand, other disorders, such as nutritional rickets and skeletal fluorosis continue to be underrecognized in many regions of the world. Genetic disorders of collagen-elastin, such as osteogenesis imperfecta, Ehlers--Danlos syndrome and Marfan's syndrome are also associated with skeletal fragility, which can be misdiagnosed as caused by non-accidental trauma/child abuse. SUMMARY It is essential to provide early and accurate diagnosis and treatment for pediatric patients with metabolic bone disorders in order to maintain growth and development as well as prevent fractures and metabolic complications.
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Malmgren B, Tsilingaridis G, Monsef-Johansson N, Qahtani ZHA, Dahllöf G, Åström E. Bisphosphonate Therapy and Tooth Development in Children and Adolescents with Osteogenesis Imperfecta. Calcif Tissue Int 2020; 107:143-150. [PMID: 32451573 PMCID: PMC7343730 DOI: 10.1007/s00223-020-00707-1] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/01/2020] [Accepted: 05/13/2020] [Indexed: 10/30/2022]
Abstract
Osteogenesis imperfecta (OI) is a heterogeneous connective tissue disorder characterized by repeated fractures and skeletal disorders. At present, bisphosphonate (BP) therapy is the gold standard for OI treatment. The present retrospective study evaluated the effect of BP therapy on tooth development and eruption of permanent teeth in a cohort of children receiving pamidronate. Three groups were studied: patients with OI who were treated with BPs (n = 45), patients with OI who were not treated with BPs (n = 117), and age- and gender-matched healthy controls (n = 121). Dental age, dental maturity, and tooth eruption were assessed on panoramic radiographs using the methods of Demirjian et al. (Hum Biol 45(2):211-227, 1973) and Haavikko (Suom Hammaslaak Toim 66(3):103-170, 1970) and were evaluated using the t-test, Chi-square test, and the Mann-Whitney U test. Dental age in the study group was significantly (p < 0.05) lower than chronological age compared with both control groups. Dental maturity and the eruption of permanent teeth were also significantly (p < 0.05) delayed in the study group in relation to the two control groups. The dental age was significantly lower (p < 0.001) in patients with OI type III treated with BPs compared with healthy controls and the dental maturation was significantly delayed in patients with OI type IV treated with BPs compared with those not treated. In conclusion, BP therapy in OI patients seems to lower the dental age, delay the dental maturity, and tooth eruption. BP administration before 2 years of age might be a contributing factor.
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Affiliation(s)
- Barbro Malmgren
- Department of Dental Medicine, Division of Orthodontics and Pediatric Dentistry, Karolinska Institutet, Huddinge, Sweden.
- Center for Pediatric Oral Health Research, Stockholm, Sweden.
| | - Georgios Tsilingaridis
- Department of Dental Medicine, Division of Orthodontics and Pediatric Dentistry, Karolinska Institutet, Huddinge, Sweden
- Center for Pediatric Oral Health Research, Stockholm, Sweden
| | - Nina Monsef-Johansson
- Department of Dental Medicine, Division of Orthodontics and Pediatric Dentistry, Karolinska Institutet, Huddinge, Sweden
- Center for Pediatric Oral Health Research, Stockholm, Sweden
| | - Zaina Haif Al Qahtani
- Department of Dental Medicine, Division of Orthodontics and Pediatric Dentistry, Karolinska Institutet, Huddinge, Sweden
- Center for Pediatric Oral Health Research, Stockholm, Sweden
| | - Göran Dahllöf
- Department of Dental Medicine, Division of Orthodontics and Pediatric Dentistry, Karolinska Institutet, Huddinge, Sweden
- Center for Pediatric Oral Health Research, Stockholm, Sweden
| | - Eva Åström
- Department of Woman and Child Health, Karolinska Institutet, Stockholm, Sweden
- Pediatric Neurology, Astrid Lindgren Children's Hospital at Karolinska University Hospital, Stockholm, Sweden
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Vettore MV, Borges-Oliveira AC, Prado HV, Lamarca GDA, Owens J. Rare genetic diseases affecting skeletal development and oral health disparities among children and adolescents: a pathway analysis. Int Dent J 2020; 70:469-476. [PMID: 32681533 DOI: 10.1111/idj.12583] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2020] [Revised: 04/02/2020] [Accepted: 04/03/2020] [Indexed: 12/27/2022] Open
Abstract
BACKGROUND To examine the relationships of rare genetic diseases affecting skeletal development, socio-demographic characteristics, and oral health-related behaviours with dental clinical measures in children and adolescents. METHODS A cross-sectional study paired by age, gender and social class included 61 children and adolescents with osteogenesis imperfecta (n = 40) or mucopolysaccharidoses (n = 21) and those without genetic rare diseases (n = 60). Participants were selected at two referral hospitals for rare genetic diseases in the city of Belo Horizonte, Brazil. Caregivers completed a questionnaire to obtain age, gender, caregiver's schooling, social class, patterns of dental attendance and duration of breastfeeding. Oral hygiene, dental caries, dental anomalies and malocclusion were assessed through dental examinations. The relationships between variables were estimated through Pathway analysis using the maximum likelihood method. RESULTS Rare genetic diseases affecting skeletal development were directly associated with dental caries (β = 0.22), dental anomalies (β = 0.36) and malocclusion (β = 0.29). They were also inversely linked to a preventive pattern of dental attendance (β = -0.25). Rare genetic diseases affecting skeletal development were associated with poor oral hygiene (β = 0.28) and shorter breastfeeding duration (β = -0.21). Rare genetic diseases affecting skeletal development were linked indirectly with dental caries, a reduced pattern of dental attendance and poor oral hygiene (β = 0.43). Patterns of dental attendance mediated the link between rare genetic diseases affecting skeletal development and malocclusion (β = -0.05). CONCLUSION Rare genetic diseases affecting skeletal development were associated with poor oral health. Patterns of dental attendance and poor oral hygiene mediated the link between rare genetic diseases affecting skeletal development and dental clinical measures.
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Affiliation(s)
- Mario Vianna Vettore
- Department of Social and Preventive Dentistry, Faculty of Dentistry, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil.,Academic Unit of Oral Health, Dentistry and Society, School of Clinical Dentistry, University of Sheffield, Sheffield, UK
| | - Ana Cristina Borges-Oliveira
- Department of Social and Preventive Dentistry, Faculty of Dentistry, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Heloisa Vieira Prado
- Department of Social and Preventive Dentistry, Faculty of Dentistry, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Gabriela de Almeida Lamarca
- Department of Social and Preventive Dentistry, Faculty of Dentistry, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Janine Owens
- Academic Unit of Oral Health, Dentistry and Society, School of Clinical Dentistry, University of Sheffield, Sheffield, UK
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Physicochemical properties of dentinogenesis imperfecta with a known DSPP mutation. Arch Oral Biol 2020; 117:104815. [PMID: 32585446 DOI: 10.1016/j.archoralbio.2020.104815] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2020] [Revised: 05/25/2020] [Accepted: 06/07/2020] [Indexed: 01/24/2023]
Abstract
AIM To investigate the chemical and mechanical properties of teeth affected by a 1-bp deletion (c.2688delT) in the DSPP gene. METHODS AND MATERIALS Maxillary first premolars were extracted from the affected individual at age 9 years due to the orthodontic reason for crowding. A sample was imbedded in epoxy resin and sectioned buccolingually, after micro-computerized tomography (μCT) images were taken. Scanning Electron Microscopy (SEM), Energy Dispersive Spectrometry (EDS) and Vickers microhardness testing were also performed. RESULTS μCT reconstruction and analysis showed an irregularly obliterated pulp chamber and an extremely small pulpal volume in the DGI-II sample. The mineral density and microhardness scores were smaller in the dentin of the DGI-II sample compared to the wild-type. Mg content was lower in the dentin of the DGI-II sample compared to the wild-type. CONCLUSION This study shows that dentin affected by a 1-bp deletion in DSPP has a reduced mineral density, diminished microhardness and reduced Mg content.
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Andersson K, Malmgren B, Åström E, Nordgren A, Taylan F, Dahllöf G. Mutations in COL1A1/A2 and CREB3L1 are associated with oligodontia in osteogenesis imperfecta. Orphanet J Rare Dis 2020; 15:80. [PMID: 32234057 PMCID: PMC7110904 DOI: 10.1186/s13023-020-01361-4] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2019] [Accepted: 03/17/2020] [Indexed: 02/07/2023] Open
Abstract
Background Osteogenesis imperfecta (OI) is a heterogeneous connective tissue disorder characterized by an increased tendency for fractures throughout life. Autosomal dominant (AD) mutations in COL1A1 and COL1A2 are causative in approximately 85% of cases. In recent years, recessive variants in genes involved in collagen processing have been found. Hypodontia (< 6 missing permanent teeth) and oligodontia (≥ 6 missing permanent teeth) have previously been reported in individuals with OI. The aim of the present cross-sectional study was to investigate whether children and adolescents with OI and oligodontia and hypodontia also present with variants in other genes with potential effects on tooth development. The cohort comprised 10 individuals (7.7–19.9 years of age) with known COL1A1/A2 variants who we clinically and radiographically examined and further genetically evaluated by whole-genome sequencing. All study participants were treated at the Astrid Lindgren Children’s Hospital at Karolinska University Hospital, Stockholm (Sweden’s national multidisciplinary pediatric OI team). We evaluated a panel of genes that were associated with nonsyndromic and syndromic hypodontia or oligodontia as well as that had been found to be involved in tooth development in animal models. Results We detected a homozygous nonsense variant in CREB3L1, p.Tyr428*, c.1284C > A in one boy previously diagnosed with OI type III. COL1A1 and COL1A2 were the only two genes among 9 individuals which carried a pathogenic mutation. We found rare variants with unknown significance in several other genes related to tooth development. Conclusions Our findings suggest that mutations in COL1A1, COL1A2, and CREB3L1 may cause hypodontia and oligodontia in OI. The findings cannot exclude additive effects from other modifying or interacting genes that may contribute to the severity of the expressed phenotype. Larger cohorts and further functional studies are needed.
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Affiliation(s)
- Kristofer Andersson
- Department of Dental Medicine, Division of Orthodontics and Pediatric Dentistry, Karolinska Institutet, POB 4064, SE-141 04, Huddinge, Sweden. .,Center for Pediatric Oral Health Research, Stockholm, Sweden.
| | - Barbro Malmgren
- Department of Dental Medicine, Division of Orthodontics and Pediatric Dentistry, Karolinska Institutet, POB 4064, SE-141 04, Huddinge, Sweden.,Center for Pediatric Oral Health Research, Stockholm, Sweden
| | - Eva Åström
- Department of Women's and Children's Health, Karolinska Institutet, Stockholm, Sweden.,Pediatric Neurology, Astrid Lindgren Children's Hospital at Karolinska University Hospital, Stockholm, Sweden
| | - Ann Nordgren
- Department of Molecular Medicine and Surgery, Center for Molecular Medicine, Karolinska Institutet, Stockholm, Sweden.,Department of Clinical Genetics, Karolinska University Hospital, Stockholm, Sweden
| | - Fulya Taylan
- Department of Molecular Medicine and Surgery, Center for Molecular Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Göran Dahllöf
- Department of Dental Medicine, Division of Orthodontics and Pediatric Dentistry, Karolinska Institutet, POB 4064, SE-141 04, Huddinge, Sweden.,Center for Pediatric Oral Health Research, Stockholm, Sweden.,Center for Oral Health Services and Research, Mid-Norway, TkMidt, Trondheim, Norway
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Ibrahim S, Strange AP, Aguayo S, Shinawi A, Harith N, Mohamed-Ibrahim N, Siddiqui S, Parekh S, Bozec L. Phenotypic Properties of Collagen in Dentinogenesis Imperfecta Associated with Osteogenesis Imperfecta. Int J Nanomedicine 2019; 14:9423-9435. [PMID: 31819441 PMCID: PMC6897053 DOI: 10.2147/ijn.s217420] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2019] [Accepted: 10/04/2019] [Indexed: 11/23/2022] Open
Abstract
Introduction Dentinogenesis imperfecta type 1 (OIDI) is considered a relatively rare genetic disorder (1:5000 to 1:45,000) associated with osteogenesis imperfecta. OIDI impacts the formation of collagen fibrils in dentin, leading to morphological and structural changes that affect the strength and appearance of teeth. However, there is still a lack of understanding regarding the nanoscale characterization of the disease, in terms of collagen ultrastructure and mechanical properties. Therefore, this research presents a qualitative and quantitative report into the phenotype and characterization of OIDI in dentin, by using a combination of imaging, nanomechanical approaches. Methods For this study, 8 primary molars from OIDI patients and 8 primary control molars were collected, embedded in acrylic resin and cut into longitudinal sections. Sections were then demineralized in 37% phosphoric acid using a protocol developed in-house. Initial experiments demonstrated the effectiveness of the demineralization protocol, as the ATR-FTIR spectral fingerprints showed an increase in the amide bands together with a decrease in phosphate content. Structural and mechanical analyses were performed directly on both the mineralized and demineralized samples using a combination of scanning electron microscopy, atomic force microscopy, and Wallace indentation. Results Mesoscale imaging showed alterations in dentinal tubule morphology in OIDI patients, with a reduced number of tubules and a decreased tubule diameter compared to healthy controls. Nanoscale collagen ultrastructure presented a similar D-banding periodicity between OIDI and controls. Reduced collagen fibrils diameter was also recorded for the OIDI group. The hardness of the (mineralized) control dentin was found to be significantly higher (p<0.05) than that of the OIDI (mineralized) dentine. Both the exposed peri- and intratubular dentinal collagen presented bimodal elastic behaviors (Young’s moduli). The control samples presented a stiffening of the intratubular collagen when compared to the peritubular collagen. In case of the OIDI, this stiffening in the collagen between peri- and intratubular dentinal collagen was not observed and the exposed collagen presented overall a lower elasticity than the control samples. Conclusion This study presents a systematic approach to the characterization of collagen structure and properties in OIDI as diagnosed in dentin. Structural markers for OIDI at the mesoscale and nanoscale were found and correlated with an observed lack of increased elastic moduli of the collagen fibrils in the intratubular OIDI dentin. These findings offer an explanation of how structural changes in the dentin could be responsible for the failure of some adhesive restorative materials as observed in patients affected by OIDI.
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Affiliation(s)
- Salwa Ibrahim
- Department of Paediatric Dentistry, UCL Eastman Dental Institute, University College London, London, UK
| | - Adam P Strange
- Department of Biomaterials and Tissue Engineering, UCL Eastman Dental Institute, University College London, London, UK
| | - Sebastian Aguayo
- Department of Biomaterials and Tissue Engineering, UCL Eastman Dental Institute, University College London, London, UK.,School of Dentistry, Faculty of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Albatool Shinawi
- Department of Paediatric Dentistry, UCL Eastman Dental Institute, University College London, London, UK
| | - Nabilah Harith
- Department of Paediatric Dentistry, UCL Eastman Dental Institute, University College London, London, UK
| | - Nurjehan Mohamed-Ibrahim
- Department of Paediatric Dentistry, UCL Eastman Dental Institute, University College London, London, UK
| | - Samera Siddiqui
- Department of Biomaterials and Tissue Engineering, UCL Eastman Dental Institute, University College London, London, UK
| | - Susan Parekh
- Department of Paediatric Dentistry, UCL Eastman Dental Institute, University College London, London, UK
| | - Laurent Bozec
- Faculty of Dentistry, University of Toronto, Toronto, Canada
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Abstract
PURPOSE OF REVIEW The purpose of this review is to outline the current understanding of the molecular mechanisms and natural history of osteogenesis imperfecta, and to describe the development of new treatments for this disorder. RECENT FINDINGS The introduction of next-generation sequencing technology has led to better understanding of the genetic cause of osteogenesis imperfecta and enabled cost-effective and timely diagnosis via expanded gene panels and exome or genome sequencing. Clinically, despite genetic heterogeneity, different forms of osteogenesis imperfecta share similar features that include connective tissue and systemic manifestations in addition to bone fragility. Thus, the goals of treatment in osteogenesis imperfecta extend beyond decreasing the risk of fracture, to include the maximization of growth and mobility, and the management of extraskeletal complications. The standard of care in pediatric patients is bisphosphonates therapy. Ongoing preclinical studies in osteogenesis imperfecta mouse models and clinical studies in individuals with osteogenesis imperfecta have been instrumental in the development of new and targeted therapeutic approaches, such as sclerostin inhibition and transforming growth factor-β inhibition. SUMMARY Osteogenesis imperfecta is a skeletal dysplasia characterized by bone fragility and extraskeletal manifestations. Better understanding of the mechanisms of osteogenesis imperfecta will enable the development of much needed targeted therapies to improve the outcome in affected individuals.
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Affiliation(s)
- Vittoria Rossi
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston TX, USA
| | - Brendan Lee
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston TX, USA
- Texas Children’s Hospital, Houston TX, USA
| | - Ronit Marom
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston TX, USA
- Texas Children’s Hospital, Houston TX, USA
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Marçal FF, Ribeiro EM, Costa FWG, Fonteles CSR, Teles GS, de Barros Silva PG, Chaves Junior CM, Ribeiro TR. Dental alterations on panoramic radiographs of patients with osteogenesis imperfecta in relation to clinical diagnosis, severity, and bisphosphonate regimen aspects: a STROBE-compliant case-control study. Oral Surg Oral Med Oral Pathol Oral Radiol 2019; 128:621-630. [PMID: 31399368 DOI: 10.1016/j.oooo.2019.07.001] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2019] [Revised: 06/25/2019] [Accepted: 07/01/2019] [Indexed: 12/16/2022]
Abstract
OBJECTIVE This study aimed to assess the prevalence of dental findings on panoramic radiographs (PRs) of patients with osteogenesis imperfecta (OI) and correlate these results with epidemiologic and medical data. STUDY DESIGN A case-control study was conducted with 24 patients with OI and 48 sex- and age-matched controls. Demographic, clinical, and bisphosphonate regimen-related data were recorded. The outcome variables were the presence or absence of dental alterations in PRs. Mann-Whitney U test, Pearson's χ2 test, and multinomial logistic regression analysis (95% confidence interval) were used (significance level of 5%). RESULTS OI type 4 demonstrated a high prevalence (62.5%), followed by type 1 (37.5%). With regard to prevalence associated with severity, the moderate form was the most prevalent (P = .028). The mean time of intravenous pamidronate regimen was 6.6 ± 4.4 years. Dentinogenesis imperfecta was observed in 75% of patients with OI, and this group showed a high prevalence of dental abnormalities in comparison with controls (P < .05). Bisphosphonate therapy was associated with ectopic teeth (P = .007) and tooth impaction (P = .033). Pulp obliteration was significant with bisphosphonate treatment over a period of 7 years (P = .026). CONCLUSIONS This study found a significant prevalence of dental alterations in patients with OI, and certain alterations were associated with bisphosphonate therapy, indicating its influence on the dentin-related physiopathology.
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Affiliation(s)
- Felipe Franco Marçal
- Postgraduate Program in Dentistry, Department of Clinical Dentistry, Federal University of Ceará, Fortaleza, Brazil; Professor, School of Dentistry, Christus University Center, Fortaleza, Brazil
| | - Erlane Marques Ribeiro
- Professor, School of Medicine, Christus University Center, Fortaleza, Brazil; Division of Genetics, Children's Hospital Albert Sabin, Fortaleza, Brazil
| | | | | | - Gabriela Silva Teles
- Graduate Student, School of Medicine, Christus University Center, Fortaleza, Brazil
| | - Paulo Goberlânio de Barros Silva
- Postgraduate Program in Dentistry, Department of Clinical Dentistry, Federal University of Ceará, Fortaleza, Brazil; Professor, School of Dentistry, Christus University Center, Fortaleza, Brazil
| | - Cauby Maia Chaves Junior
- Full Professor, Department of Clinical Dentistry, Federal University of Ceará, Fortaleza, Brazil
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Prado HV, Carneiro NCR, Perazzo MF, de Abreu MHNG, Martins CDC, Borges-Oliveira AC. Assessing a possible vulnerability to dental caries in individuals with rare genetic diseases that affect the skeletal development. Orphanet J Rare Dis 2019; 14:145. [PMID: 31215497 PMCID: PMC6580446 DOI: 10.1186/s13023-019-1114-5] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2019] [Accepted: 06/04/2019] [Indexed: 01/08/2023] Open
Abstract
Background Individuals diagnosed with a rare genetic disease that affects skeletal development often have physical limitations and orofacial problems that exert an impact on oral health. The aim of the present study was to analyze the possible vulnerability to dental caries in individuals with rare genetic diseases that affect skeletal development. Methods A paired cross-sectional study was carried out with a sample of 140 individuals [70 with rare genetic diseases affecting skeletal development: mucopolysaccharidosis (MPS) (n = 29) and osteogenesis imperfecta (OI) (n = 41) and 70 without rare diseases] and their parents/caregivers. The participants in the first group were recruited from two reference hospitals specialized in rare genetic diseases in the city of Belo Horizonte, Brazil. All participants were examined for the evaluation of breathing type, malocclusion, dental anomalies, oral hygiene and dental caries. The parents/caregivers answered a structured questionnaire addressing the individual/behavioral characteristics and medical/dental history of the participants. Statistical analysis involved the chi-square test and multiple logistic regression analysis for the dependent variable (dental caries) (α = 5%). This study received approval from the Human Research Ethics Committee of the Universidade Federal de Minas Gerais. Results The mean age of the individuals was 10.34 ± 6.55 years (median: 9.50 years). Individuals with inadequate oral hygiene were 4.70–fold more likely to have dental caries (95% CI: 2.13–10.40) and those with the rare genetic diseases (MPS/OI) were 2.92-fold more likely to have dental caries (95% CI: 1.38–6.17). Conclusion Individuals with inadequate oral hygiene and those with MPS and OI had a greater chance of belonging to the group with dental caries. Based on the present findings, individuals with the rare genetic diseases may be considered vulnerable to caries.
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Affiliation(s)
- Heloisa Vieira Prado
- Department of Dental Public Health, Faculty of Dentistry, Universidade Federal de Minas Gerais, Av. Antônio Carlos, 6627. Campus Pampulha /, Belo Horizonte, MG, 31270-901, Brazil
| | - Natália Cristina Ruy Carneiro
- Department of Pediatric Dentistry and Orthodontics, Faculty of Dentistry, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Matheus França Perazzo
- Department of Pediatric Dentistry and Orthodontics, Faculty of Dentistry, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Mauro Henrique Nogueira Guimarães de Abreu
- Department of Dental Public Health, Faculty of Dentistry, Universidade Federal de Minas Gerais, Av. Antônio Carlos, 6627. Campus Pampulha /, Belo Horizonte, MG, 31270-901, Brazil
| | - Carolina de Castro Martins
- Department of Pediatric Dentistry and Orthodontics, Faculty of Dentistry, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Ana Cristina Borges-Oliveira
- Department of Dental Public Health, Faculty of Dentistry, Universidade Federal de Minas Gerais, Av. Antônio Carlos, 6627. Campus Pampulha /, Belo Horizonte, MG, 31270-901, Brazil.
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Reznikov N, Dagdeviren D, Tamimi F, Glorieux F, Rauch F, Retrouvey J. Cone-Beam Computed Tomography of Osteogenesis Imperfecta Types III and IV: Three-Dimensional Evaluation of Craniofacial Features and Upper Airways. JBMR Plus 2019; 3:e10124. [PMID: 31346560 PMCID: PMC6636768 DOI: 10.1002/jbm4.10124] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/18/2018] [Accepted: 11/06/2018] [Indexed: 12/12/2022] Open
Abstract
This cross-sectional study investigated the natural history of craniofacial deformities in osteogenesis imperfecta (OI) and determined the impact of three-dimensional (3D) analysis on diagnosis and treatment planning in orthodontics and orthognathic surgery in comparison to conventional two-dimensional (2D) cephalometric examination. 3D images of the craniofacial complex were acquired during 1 calendar year using cone-beam computed tomography (CBCT) from a cohort of 41 individuals (aged 11 to 35 years; 28 females) with OI type III (n = 13) or IV (n = 28). 3D evaluation of the craniocervical junction and upper airways was conducted using InVivoTM. 2D lateral cephalogram was constructed, traced, and examined using the University of Western Ontario analysis (DolphinTM). Quantitative and qualitative parameters were compared between OI type III and type IV groups (unpaired t test) and the unaffected population (Z-score). 3D evaluation revealed a high prevalence of craniocervical abnormalities, craniofacial asymmetries, and nasal septum deviation in both OI groups. Mean airway dimensions were comparable to the non-affected population norms, except for 5 individuals who had insufficient airway dimensions. In 2D, the maxilla was retrognathic and hypoplastic, and the mandibular position was convergent with respect to the face, resulting in mandibular prognathism and face height reduction. The 2D trends were more pronounced in OI type III, whereas the 3D craniocervical and airway abnormalities were common in both types. This study illustrates the prevalence of craniofacial and airway anomalies in OI that occur along with facial deformities are not associated with postcranial phenotype and OI type, are apparent only in 3D evaluation, and are likely to influence treatment strategy. For OI patients, a team effort involving a dentist, orthodontist, neurologist, and ear-nose-throat (ENT) practitioner is recommended for successful management of craniofacial deformities.
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Affiliation(s)
| | | | - Faleh Tamimi
- Faculty of DentistryMcGill UniversityMontrealCanada
| | | | - Frank Rauch
- Shriners Hospitals for Children–CanadaMontrealCanada
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Xiong Y, Fang Y, Qian Y, Liu Y, Yang X, Huang H, Huang H, Li Y, Zhang X, Zhang Z, Dong M, Qiu M, Zhu XJ, Zhang Z. Wnt Production in Dental Epithelium Is Crucial for Tooth Differentiation. J Dent Res 2019; 98:580-588. [PMID: 30894046 DOI: 10.1177/0022034519835194] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
The Wnt ligands display varied spatiotemporal expression in the epithelium and mesenchyme in the developing tooth. Thus far, the actions of these differentially expressed Wnt ligands on tooth development are not clear. Shh expression specifies the odontogenic epithelium during initiation and is consistently restricted to the dental epithelium during tooth development. In this study, we inactivate Wntless ( Wls), the key regulator for Wnt trafficking, by Shh-Cre to investigate how the Wnt ligands produced in the dental epithelium lineage act on tooth development. We find that conditional knockout of Wls by Shh-Cre leads to defective ameloblast and odontoblast differentiation. WlsShh-Cre teeth display reduced canonical Wnt signaling activity in the inner enamel epithelium and the underlying mesenchyme at the early bell stage, as exhibited by target gene expression and BAT-gal staining. The expression of Wnt5a and Wnt10b is not changed in WlsShh-Cre teeth. By contrast, Wnt10a expression is significantly increased in response to epithelial Wls deficiency. In addition, the expression of Hedgehog signaling pathway components Shh, Gli1, and Patched1 was greatly decreased in WlsShh-Cre teeth. Epithelial Wls loss of function in Shh lineage also leads to aberrant cell proliferation in dental epithelium and mesenchyme at embryonic day 16.5; however, the cell apoptosis is unaffected. Moreover, we find that Decorin and Col1a1, the key markers for odontoblast differentiation that are downregulated in WlsShh-Cre teeth, act as direct downstream targets of the canonical Wnt signaling pathway by chromatin immunoprecipitation analysis. Additionally, Decorin and Col1a1 expression can be increased by lithium chloride (LiCl) treatment in the in vitro tooth explants. Taken together, our results suggest that the spatial expression of Wnt ligands within the dental epithelial lineage regulates the differentiation of tooth structures in later stages.
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Affiliation(s)
- Y Xiong
- 1 Institute of Life Sciences, College of Life and Environmental Science, Hangzhou Normal University, Zhejiang, China
| | - Y Fang
- 1 Institute of Life Sciences, College of Life and Environmental Science, Hangzhou Normal University, Zhejiang, China
| | - Y Qian
- 2 Women's Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China
| | - Y Liu
- 3 The Affiliated Hospital of Hangzhou Normal University, Hangzhou, China
| | - X Yang
- 1 Institute of Life Sciences, College of Life and Environmental Science, Hangzhou Normal University, Zhejiang, China
| | - H Huang
- 1 Institute of Life Sciences, College of Life and Environmental Science, Hangzhou Normal University, Zhejiang, China
| | - H Huang
- 1 Institute of Life Sciences, College of Life and Environmental Science, Hangzhou Normal University, Zhejiang, China
| | - Y Li
- 1 Institute of Life Sciences, College of Life and Environmental Science, Hangzhou Normal University, Zhejiang, China
| | - X Zhang
- 1 Institute of Life Sciences, College of Life and Environmental Science, Hangzhou Normal University, Zhejiang, China
| | - Z Zhang
- 4 Department of Ophthalmology, Tulane Medical Center, Tulane University, New Orleans, LA, USA
| | - M Dong
- 2 Women's Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China
| | - M Qiu
- 1 Institute of Life Sciences, College of Life and Environmental Science, Hangzhou Normal University, Zhejiang, China
| | - X J Zhu
- 1 Institute of Life Sciences, College of Life and Environmental Science, Hangzhou Normal University, Zhejiang, China
| | - Z Zhang
- 1 Institute of Life Sciences, College of Life and Environmental Science, Hangzhou Normal University, Zhejiang, China
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Maioli M, Gnoli M, Boarini M, Tremosini M, Zambrano A, Pedrini E, Mordenti M, Corsini S, D'Eufemia P, Versacci P, Celli M, Sangiorgi L. Genotype-phenotype correlation study in 364 osteogenesis imperfecta Italian patients. Eur J Hum Genet 2019; 27:1090-1100. [PMID: 30886339 PMCID: PMC6777444 DOI: 10.1038/s41431-019-0373-x] [Citation(s) in RCA: 48] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2018] [Revised: 02/06/2019] [Accepted: 02/26/2019] [Indexed: 11/18/2022] Open
Abstract
Osteogenesis imperfecta (OI) is a rare genetic disorder of the connective tissue and 90% of cases are due to dominant mutations in COL1A1 and COL1A2 genes. To increase OI disease knowledge and contribute to patient follow-up management, a homogeneous Italian cohort of 364 subjects affected by OI types I–IV was evaluated. The study population was composed of 262 OI type I, 24 type II, 39 type III, and 39 type IV patients. Three hundred and nine subjects had a type I collagen affecting function mutations (230 in α1(I) and 79 in α2(I)); no disease-causing changes were noticed in 55 patients. Compared with previous genotype–phenotype OI correlation studies, additional observations arose: a new effect for α1- and α2-serine substitutions has been pointed out and heart defects, never considered before, resulted associated to quantitative mutations (P = 0.043). Moreover, some different findings emerged if compared with previous literature; especially, focusing the attention on the lethal form, no association with specific collagen regions was found and most of variants localized in the previously reported “lethal clusters” were causative of OI types I–IV. Some discrepancies have been highlighted also considering the “50–55 nucleotides rule,” as well as the relationship between specific collagen I mutated region and the presence of dentinogenesis imperfecta and/or blue sclera. Despite difficulties still present in defining clear rules to predict the clinical outcome in OI patients, this study provides new pieces for completing the puzzle, also thanks to the inclusion of clinical signs never considered before and to the large number of OI Italian patients.
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Affiliation(s)
- Margherita Maioli
- Department of Medical Genetics and Rare Orthopaedic Diseases, IRCCS Istituto Ortopedico Rizzoli, Bologna, Italy.
| | - Maria Gnoli
- Department of Medical Genetics and Rare Orthopaedic Diseases, IRCCS Istituto Ortopedico Rizzoli, Bologna, Italy
| | - Manila Boarini
- CLIBI Laboratory, IRCCS Istituto Ortopedico Rizzoli, Bologna, Italy
| | - Morena Tremosini
- Department of Medical Genetics and Rare Orthopaedic Diseases, IRCCS Istituto Ortopedico Rizzoli, Bologna, Italy
| | - Anna Zambrano
- Department of Pediatrics, Center for Congenital Osteodystrophy - Sapienza University, Rome, Italy
| | - Elena Pedrini
- Department of Medical Genetics and Rare Orthopaedic Diseases, IRCCS Istituto Ortopedico Rizzoli, Bologna, Italy
| | - Marina Mordenti
- CLIBI Laboratory, IRCCS Istituto Ortopedico Rizzoli, Bologna, Italy
| | - Serena Corsini
- Department of Medical Genetics and Rare Orthopaedic Diseases, IRCCS Istituto Ortopedico Rizzoli, Bologna, Italy
| | - Patrizia D'Eufemia
- Department of Pediatrics, Center for Congenital Osteodystrophy - Sapienza University, Rome, Italy
| | - Paolo Versacci
- Department of Pediatrics, Sapienza University, Rome, Italy
| | - Mauro Celli
- Department of Pediatrics, Center for Congenital Osteodystrophy - Sapienza University, Rome, Italy
| | - Luca Sangiorgi
- Department of Medical Genetics and Rare Orthopaedic Diseases, and CLIBI Laboratory, IRCCS Istituto Ortopedico Rizzoli, Bologna, Italy
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43
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Budsamongkol T, Intarak N, Theerapanon T, Yodsanga S, Porntaveetus T, Shotelersuk V. A novel mutation in COL1A2 leads to osteogenesis imperfecta/Ehlers-Danlos overlap syndrome with brachydactyly. Genes Dis 2019; 6:138-146. [PMID: 31193991 PMCID: PMC6545454 DOI: 10.1016/j.gendis.2019.03.001] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2018] [Accepted: 03/13/2019] [Indexed: 01/08/2023] Open
Abstract
Osteogenesis imperfecta (OI) is mainly characterized by bone fragility and Ehlers-Danlos syndrome (EDS) by connective tissue defects. Mutations in COL1A1 or COL1A2 can lead to both syndromes. OI/EDS overlap syndrome is mostly caused by helical mutations near the amino-proteinase cleavage site of type I procollagen. In this study, we identified a Thai patient having OI type III, EDS, brachydactyly, and dentinogenesis imperfecta. His dentition showed delayed eruption, early exfoliation, and severe malocclusion. For the first time, ultrastructural analysis of the tooth affected with OI/EDS showed that the tooth had enamel inversion, bone-like dentin, loss of dentinal tubules, and reduction in hardness and elasticity, suggesting severe developmental disturbance. These severe dental defects have never been reported in OI or EDS. Exome sequencing identified a novel de novo heterozygous glycine substitution, c.3296G > A, p.Gly1099Glu, in exon 49 of COL1A2. Three patients with mutations in the exon 49 of COL1A2 were previously reported to have OI with brachydactyly and intracranial hemorrhage. Notably, two of these three patients did not show hyperextensible joints and hypermobile skin, while our patient at the age of 5 years had not developed intracranial hemorrhage. Here, we demonstrate that the novel glycine substitution in the carboxyl region of alpha2(I) collagen triple helix leads to OI/EDS with brachydactyly and severe tooth defects, expanding the genotypic and phenotypic spectra of OI/EDS overlap syndrome.
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Affiliation(s)
- Thunyaporn Budsamongkol
- Geriatric Dentistry and Special Patients Care International Program, Faculty of Dentistry, Chulalongkorn University, Bangkok, 10330, Thailand
| | - Narin Intarak
- Genomics and Precision Dentistry Research Unit, Department of Physiology, Faculty of Dentistry, Chulalongkorn University, Bangkok, 10330, Thailand
| | - Thanakorn Theerapanon
- Center of Excellence for Regenerative Dentistry, Faculty of Dentistry, Chulalongkorn University, Bangkok, 10330, Thailand
| | - Somchai Yodsanga
- Biomaterial Testing Center, Faculty of Dentistry, Chulalongkorn University, Bangkok, 10330, Thailand
| | - Thantrira Porntaveetus
- Geriatric Dentistry and Special Patients Care International Program, Faculty of Dentistry, Chulalongkorn University, Bangkok, 10330, Thailand.,Genomics and Precision Dentistry Research Unit, Department of Physiology, Faculty of Dentistry, Chulalongkorn University, Bangkok, 10330, Thailand
| | - Vorasuk Shotelersuk
- Center of Excellence for Medical Genomics, Department of Pediatrics, Faculty of Medicine, Chulalongkorn University, Bangkok, 10330, Thailand.,Excellence Center for Medical Genetics, King Chulalongkorn Memorial Hospital, The Thai Red Cross Society, Bangkok, 10330, Thailand
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44
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Tauer JT, Robinson ME, Rauch F. Osteogenesis Imperfecta: New Perspectives From Clinical and Translational Research. JBMR Plus 2019; 3:e10174. [PMID: 31485550 PMCID: PMC6715783 DOI: 10.1002/jbm4.10174] [Citation(s) in RCA: 66] [Impact Index Per Article: 13.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/19/2018] [Revised: 01/04/2019] [Accepted: 01/16/2019] [Indexed: 12/30/2022] Open
Abstract
Osteogenesis imperfecta (OI) is a monogenic bone fragility disorder that usually is caused by mutations in one of the two genes coding for collagen type I alpha chains, COL1A1 or COL1A2. Mutations in at least 18 other genes can also lead to an OI phenotype. As genetic testing is more widely used, mutations in these genes are also more frequently discovered in individuals who have a propensity for fractures, but who do not have other typical clinical characteristics of OI. Intravenous bisphosphonate therapy is still the most widely used drug treatment approach. Preclinical studies in OI mouse models have shown encouraging effects when the antiresorptive effect of a bisphosphonate was combined with bone anabolic therapy using a sclerostin antibody. Other novel experimental treatment approaches include inhibition of transforming growth factor beta signaling with a neutralizing antibody and the inhibition of myostatin and activin A by a soluble activin receptor 2B. © 2019 The Authors. JBMR Plus published by Wiley Periodicals, Inc. on behalf of American Society for Bone and Mineral Research
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Affiliation(s)
| | | | - Frank Rauch
- Shriners Hospital for Children Montreal Quebec Canada
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45
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Ma MS, Najirad M, Taqi D, Retrouvey JM, Tamimi F, Dagdeviren D, Glorieux FH, Lee B, Sutton VR, Rauch F, Esfandiari S. Caries prevalence and experience in individuals with osteogenesis imperfecta: A cross-sectional multicenter study. SPECIAL CARE IN DENTISTRY 2019; 39:214-219. [PMID: 30758072 DOI: 10.1111/scd.12368] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2018] [Revised: 01/16/2019] [Accepted: 01/30/2019] [Indexed: 11/29/2022]
Abstract
OBJECTIVE Dentinogenesis Imperfecta (DI) forms a group of dental abnormalities frequently found associated with Osteogenesis Imperfecta (OI), a hereditary disease characterized by bone fragility. The objectives of this study were to quantify the dental caries prevalence and experience among different OI-types in the sample population and quantify how much these values change for the subset with DI. METHODS To determine which clinical characteristics were associated with increased Caries Prevalence and Experience (CPE) in patients with OI, the adjusted DFT scores were used to account for frequent hypodontia, impacted teeth and retained teeth in OI population. For each variable measured, frequency distributions, means, proportions and standard deviations were generated. Groups means were analyzed by the unpaired t-test or ANOVA as appropriate. For multivariate analysis, subjects with caries experience of zero were compared with those with caries experience greater than zero using logistic regression. RESULTS The stepwise regression analysis while controlling for all other variables demonstrated the presence of DI (OR 2.43; CI 1.37-4.32; P = 0.002) as the significant independent predictor of CPE in the final model. CONCLUSION This study found no evidence that CPE of OI subjects differs between the types of OI. The presence of DI when controlled for other factors was found to be the significant predictor of CPE.
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Affiliation(s)
- Mang Shin Ma
- Faculty of Dentistry, McGill University, Montreal, Quebec, Canada
| | | | - Doaa Taqi
- Faculty of Dentistry, McGill University, Montreal, Quebec, Canada
| | | | - Faleh Tamimi
- Faculty of Dentistry, McGill University, Montreal, Quebec, Canada
| | - Didem Dagdeviren
- Faculty of Dentistry, McGill University, Montreal, Quebec, Canada
| | - Francis H Glorieux
- Shriners Hospital for Children and McGill University, Montreal, Quebec, Canada
| | | | | | - Frank Rauch
- Shriners Hospital for Children and McGill University, Montreal, Quebec, Canada
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46
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Oro-dental and cranio-facial characteristics of osteogenesis imperfecta type V. Eur J Med Genet 2018; 62:103606. [PMID: 30593885 DOI: 10.1016/j.ejmg.2018.12.011] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2018] [Revised: 12/01/2018] [Accepted: 12/19/2018] [Indexed: 01/30/2023]
Abstract
Osteogenesis imperfecta (OI) type V is an ultrarare heritable bone disorder caused by the heterozygous c.-14C > T mutation in IFITM5. The oro-dental and craniofacial phenotype has not been described in detail, which we therefore undertook to evaluate in a multicenter study (Brittle Bone Disease Consortium). Fourteen individuals with OI type V (age 3-50 years; 10 females, 4 males) underwent dental and craniofacial assessment. None of the individuals had dentinogenesis imperfecta. Six of the 9 study participants (66%) for whom panoramic radiographs were obtained had at least one missing tooth (range 1-9). Class II molar occlusion was present in 8 (57%) of the 14 study participants. The facial profile was retrusive and lower face height was decreased in 8 (57%) individuals. Cephalometry, performed in three study participants, revealed a severely retrusive maxilla and mandible, and moderately to severly retroclined incisors in a 14-year old girl, a protrusive maxilla and a retrusive mandible in a 14-year old boy. Cone beam computed tomograpy scans were obtained from two study participants and demonstrated intervertebral disc calcification at the C2-C3 level in one individual. Our study observed that OI type V is associated with missing permanent teeth, especially permanent premolar, but not with dentinogenesis imperfecta. The pattern of craniofacial abnormalities in OI type V thus differs from that in other severe OI types, such as OI type III and IV, and could be described as a bimaxillary retrusive malocclusion with reduced lower face height and multiple missing teeth.
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47
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Thuesen KJ, Gjørup H, Hald JD, Schmidt M, Harsløf T, Langdahl B, Haubek D. The dental perspective on osteogenesis imperfecta in a Danish adult population. BMC Oral Health 2018; 18:175. [PMID: 30355314 PMCID: PMC6201594 DOI: 10.1186/s12903-018-0639-7] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2017] [Accepted: 10/15/2018] [Indexed: 12/30/2022] Open
Abstract
Background To report on dental characteristics and treatment load in Danish adult patients with osteogenesis imperfecta (OI). Methods Oral examination of 73 patients with OI was performed and OI type I, III, and IV were represented by 75.3%, 8.2%, and 16.4%, respectively. Patients were diagnosed as having dentinogenesis imperfecta (DI) if they had clinical and radiological signs of DI. In the data analysis, mild OI (type I) was compared to moderate-severe OI (type III and IV). Results Discoloration of teeth was prevalent in patients with moderate-severe compared to mild OI (83.3% vs. 5.5%, p < 0.001). Cervical constriction and pulpal obliteration were frequent findings in patients with moderate-severe OI (61.1% and 88.9%, respectively), whereas pulp stones and taurodontism were diagnosed in patients with mild OI only (29.1% and 9.1%, respectively). DI was found in 24.7% of OI patients and considerably more frequent in patients with moderate-severe (94.4%) compared to mild OI (1.8%) (p < 0.001). The number of teeth with artificial crowns was significantly higher in patients with moderate-severe OI than in patients with mild OI (median 1.5, range 0–23 vs. median 0, range 0–14) (p < 0.001). The number of teeth with fillings in patients with mild OI was significantly higher than in patients with moderate-severe OI (mean 9.7, SD 5.1, median 9.0, range 1–21 vs. mean 5.0, SD 4.4, median 4.0, range 0–16) (p < 0.001). Conclusions One fourth of patients with OI had DI, and the vast majority of them had moderate-severe OI. Whereas discoloration of teeth, cervical constriction and pulp obliteration were frequent findings in patients with moderate-severe OI, pulp stones and taurodontism were found in patients with mild OI only. In patients with moderate-severe OI, the dental treatment load was dominated by prosthetic treatment, whereas restorative treatment with fillings was more prevalent in patients with mild OI.
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Affiliation(s)
- Kirstine Juhl Thuesen
- Section for Pediatric Dentistry, Department of Dentistry and Oral Health, Health, Aarhus University, Vennelyst Boulevard 9, 8000, Aarhus C, Denmark
| | - Hans Gjørup
- Center for Oral Health in Rare Diseases, Department of Maxillofacial Surgery, Aarhus University Hospital, Noerrebrogade 44, 8000, Aarhus C, Denmark
| | - Jannie Dahl Hald
- Department of Endocrinology and Internal Medicine, Aarhus University Hospital, Tage-Hansens Gade 2, Aarhus, Denmark
| | - Malene Schmidt
- Aarhus Municipal Dental Service, Groendalsvej 2, 8000, Aarhus C, Denmark
| | - Torben Harsløf
- Department of Endocrinology and Internal Medicine, Aarhus University Hospital, Tage-Hansens Gade 2, Aarhus, Denmark
| | - Bente Langdahl
- Department of Endocrinology and Internal Medicine, Aarhus University Hospital, Tage-Hansens Gade 2, Aarhus, Denmark
| | - Dorte Haubek
- Section for Pediatric Dentistry, Department of Dentistry and Oral Health, Health, Aarhus University, Vennelyst Boulevard 9, 8000, Aarhus C, Denmark.
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48
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Dagdeviren D, Tamimi F, Lee B, Sutton R, Rauch F, Retrouvey JM. Dental and craniofacial characteristics caused by the p.Ser40Leu mutation in IFITM5. Am J Med Genet A 2018; 179:65-70. [PMID: 30289614 DOI: 10.1002/ajmg.a.40383] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2018] [Revised: 05/31/2018] [Accepted: 06/07/2018] [Indexed: 01/18/2023]
Abstract
Severe forms of osteogenesis imperfecta (OI) are usually caused by mutations in genes that code for collagen Type I and frequently are associated with craniofacial abnormalities. However, the dental and craniofacial characteristics of OI caused by the p.Ser40Leu mutation in the IFITM5 gene have not been reported. We investigated a 15-year-old girl with severe OI caused by this mutation. She had marked deformations of extremity long bones. There were no clinical or radiological signs of dentinogenesis imperfecta, but one tooth was missing and several teeth were impacted. Cone beam computed tomography revealed a generalized osteopenic appearance of the craniofacial skeleton, bilateral enlargement of mandibular bodies, and areas of cortical erosions. The cranial base and skull showed a generalized granular bone pattern with a mixture of osteosclerosis and osteolysis. Sphenoid and frontal sinuses were congenitally missing. Cephalometric analysis indicated a Class III growth pattern. In this case, the IFITM5 p.Ser40Leu mutation did not affect tooth structure but was associated with deformities in craniofacial bones that resemble those in the other parts of the skeleton.
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Affiliation(s)
- Didem Dagdeviren
- Faculty of Dentistry, McGill University, Montreal, Quebec, Canada
| | - Faleh Tamimi
- Faculty of Dentistry, McGill University, Montreal, Quebec, Canada
| | - Brendan Lee
- Department of Human Genetics, Baylor College of Medicine, Houston, Texas
| | - Reid Sutton
- Department of Human Genetics, Baylor College of Medicine, Houston, Texas
| | - Frank Rauch
- Department of Pediatrics, Shriners Hospital for Children and McGill University, Montreal, Quebec, Canada
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49
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Genotype-phenotype correlation among Malaysian patients with osteogenesis imperfecta. Clin Chim Acta 2018; 484:141-147. [DOI: 10.1016/j.cca.2018.05.048] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2018] [Accepted: 05/24/2018] [Indexed: 12/23/2022]
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50
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Kantaputra PN, Chinadet W, Intachai W, Ngamphiw C, Ketudat Cairns JR, Tongsima S. Isolated dentinogenesis imperfecta with glass-like enamel caused by COL1A2 mutation. Am J Med Genet A 2018; 176:2919-2923. [PMID: 30152103 DOI: 10.1002/ajmg.a.40501] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2018] [Revised: 07/02/2018] [Accepted: 07/14/2018] [Indexed: 11/11/2022]
Affiliation(s)
- Piranit Nik Kantaputra
- Center of Excellence in Medical Genetics Research, Chiang Mai University, Chiang Mai, Thailand.,Faculty of Dentistry, Division of Pediatric Dentistry, Department of Orthodontics and Pediatric Dentistry, Chiang Mai University, Chiang Mai, Thailand.,DENTALAND CLINIC, Chiang Mai, Thailand
| | - Wannapa Chinadet
- Center of Excellence in Medical Genetics Research, Chiang Mai University, Chiang Mai, Thailand.,Faculty of Dentistry, Division of Pediatric Dentistry, Department of Orthodontics and Pediatric Dentistry, Chiang Mai University, Chiang Mai, Thailand
| | - Worrachet Intachai
- Center of Excellence in Medical Genetics Research, Chiang Mai University, Chiang Mai, Thailand.,Faculty of Dentistry, Division of Pediatric Dentistry, Department of Orthodontics and Pediatric Dentistry, Chiang Mai University, Chiang Mai, Thailand
| | - Chumpol Ngamphiw
- Genome Technology Research Unit, National Center for Genetic Engineering and Biotechnology (BIOTEC), Khlong Luang, Pathum Thani, Thailand
| | - James R Ketudat Cairns
- School of Chemistry, Institute of Science, and Center for Biomolecular Structure, Function and Application, Suranaree University of Technology, Nakhon Ratchasima, Thailand.,Laboratory of Biochemistry, Chulabhorn Research Institute, Bangkok, Thailand
| | - Sissades Tongsima
- Genome Technology Research Unit, National Center for Genetic Engineering and Biotechnology (BIOTEC), Khlong Luang, Pathum Thani, Thailand
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