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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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Miantti Ghellere Bonfim LC, S Guerini I, G Zambon M, A Lopes M. Blue Sclerae and Differential Diagnosis in Chest Pain: A Case Report. Cureus 2023; 15:e43542. [PMID: 37719560 PMCID: PMC10501879 DOI: 10.7759/cureus.43542] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/15/2023] [Indexed: 09/19/2023] Open
Abstract
Osteogenesis imperfecta (OI) constitutes a complex connective tissue disorder extending beyond its hallmark bone fragility. This case report explores the intricate diagnostic journey involving an elderly patient with acute chest pain, blue sclerae, and multiple fractures. Despite a thorough cardiac evaluation yielding normal results, the complex medical history and phenotypic markers directed attention toward musculoskeletal factors, underlining the importance of comprehensive diagnostic approaches in hereditary conditions like OI.
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Affiliation(s)
| | - Isadora S Guerini
- Department of Medicine, Western Parana State University, Francisco Beltrão, BRA
| | - Marjorie G Zambon
- Department of Medicine, Mackenzie Evangelical University Hospital, Curitiba, BRA
| | - Marcela A Lopes
- Department of Critical Care, Hospital da Cidade, Salvador, BRA
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Marulanda J, Ludwig K, Glorieux F, Lee B, Sutton VR, Retrouvey JM, Rauch F. Craniofacial and dental phenotype of two girls with osteogenesis imperfecta due to mutations in CRTAP. Bone 2022; 164:116516. [PMID: 35970273 PMCID: PMC10408670 DOI: 10.1016/j.bone.2022.116516] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/06/2022] [Revised: 07/25/2022] [Accepted: 08/05/2022] [Indexed: 01/27/2023]
Abstract
Mutations in CRTAP lead to an extremely rare form of recessive osteogenesis imperfecta (OI). CRTAP deficient mice have a brachycephalic skull, fusion of facial bones, midface retrusion and class III dental malocclusion, but in humans, the craniofacial and dental phenotype has not been reported in detail. Here, we describe craniofacial and dental findings in two 11-year-old girls with biallelic CRTAP mutations. Patient 1 has a homozygous c.472-1021C>G variant in CRTAP intron 1 and a moderately severe OI phenotype. The variant is known to create a cryptic splice site, leading to a frameshift and nonsense-mediated RNA decay. Patient 1 started intravenous bisphosphonate treatment at 2 years of age. At age 11 years, height Z-score was +0.6. She had a short and wide face, concave profile and class III malocclusion, with a prognathic mandible and an antero-posterior crossbite. A panoramic radiograph showed a poor angulation of the second upper right premolar, and no dentinogenesis imperfecta or dental agenesis. Cone-beam computed tomography confirmed these findings and did not reveal any other abnormalities. Patient 2 has a homozygous CRTAP deletion of two amino acids (c.804_809del, p.Glu269_Val270del) and a severe OI phenotype. As previously established, the variant leads to instability of CRTAP protein. Intravenous bisphosphonate treatment was started at the age of 15 months. At 11 years of age her height Z-score was -9.7. She had a long and narrow face and convex profile, maxillary retrusion leading to a class III malocclusion, an edge-to-edge overjet and lateral open bite. Panoramic radiographs showed no dental abnormalities. Cone-beam computed tomography showed occipital bossing, platybasia and wormian bones. In these two girls with CRTAP mutations, the severity of the skeletal phenotype was mirrored in the severity of the craniofacial phenotype. Class III malocclusion and antero-posterior crossbite were a common trait, while dental agenesis or dentinogenesis imperfecta were not detected.
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Affiliation(s)
- Juliana Marulanda
- Shriners Hospital for Children - Canada, Montreal, QC, Canada; Department of Pediatrics, McGill University, Montreal, QC, Canada
| | - Karissa Ludwig
- Shriners Hospital for Children - Canada, Montreal, QC, Canada; Department of Pediatrics, McGill University, Montreal, QC, Canada
| | | | - Brendan Lee
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, TX, USA
| | - V Reid Sutton
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, TX, USA
| | | | - Frank Rauch
- Shriners Hospital for Children - Canada, Montreal, QC, Canada; Department of Pediatrics, McGill University, Montreal, QC, Canada.
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De Nova-García MJ, Bernal-Barroso F, Mourelle-Martínez MR, Gallardo-López NE, Diéguez-Pérez M, Feijoo-García G, Burgueño-Torres L. Evaluation of the Severity of Malocclusion in Children with Osteogenesis Imperfecta. J Clin Med 2022; 11:jcm11164862. [PMID: 36013101 PMCID: PMC9410483 DOI: 10.3390/jcm11164862] [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: 07/12/2022] [Revised: 08/11/2022] [Accepted: 08/16/2022] [Indexed: 11/16/2022] Open
Abstract
Occlusion is the way in which the dental arches are related to each other and depends on craniofacial growth and development. It is affected in patients with Osteogenesis Imperfecta (OI) who present altered craniofacial development. The malocclusion present in 49 patients diagnosed with different types of OI aged between 4 and 18 was studied. The control group of healthy people was matched for age, sex, and molar class. To study the mixed and permanent dentition, the American Board of Orthodontics (ABO) discrepancy Index was applied. The primary dentition was evaluated with a Temporary Dentition Occlusion Analysis proposed for this study. The OI group obtained higher scores in the Discrepancy Index than the control group, indicating a high difficulty of treatment. The most significant differences were found in types III and IV of the disease. Regarding the variables studied, the greatest differences were found in the presence of lateral open bite in patients with OI, and in the variable "others" (agenesis and ectopic eruption). The analysis of primary dentition did not show significant differences between the OI and control groups. Patients with OI have more severe malocclusions than their healthy peers. Malocclusion is related to the severity of the disease and may progress with age.
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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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Jovanovic M, Guterman-Ram G, Marini JC. Osteogenesis Imperfecta: Mechanisms and Signaling Pathways Connecting Classical and Rare OI Types. Endocr Rev 2022; 43:61-90. [PMID: 34007986 PMCID: PMC8755987 DOI: 10.1210/endrev/bnab017] [Citation(s) in RCA: 54] [Impact Index Per Article: 27.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Osteogenesis imperfecta (OI) is a phenotypically and genetically heterogeneous skeletal dysplasia characterized by bone fragility, growth deficiency, and skeletal deformity. Previously known to be caused by defects in type I collagen, the major protein of extracellular matrix, it is now also understood to be a collagen-related disorder caused by defects in collagen folding, posttranslational modification and processing, bone mineralization, and osteoblast differentiation, with inheritance of OI types spanning autosomal dominant and recessive as well as X-linked recessive. This review provides the latest updates on OI, encompassing both classical OI and rare forms, their mechanism, and the signaling pathways involved in their pathophysiology. There is a special emphasis on mutations in type I procollagen C-propeptide structure and processing, the later causing OI with strikingly high bone mass. Types V and VI OI, while notably different, are shown to be interrelated by the interferon-induced transmembrane protein 5 p.S40L mutation that reveals the connection between the bone-restricted interferon-induced transmembrane protein-like protein and pigment epithelium-derived factor pathways. The function of regulated intramembrane proteolysis has been extended beyond cholesterol metabolism to bone formation by defects in regulated membrane proteolysis components site-2 protease and old astrocyte specifically induced-substance. Several recently proposed candidate genes for new types of OI are also presented. Discoveries of new OI genes add complexity to already-challenging OI management; current and potential approaches are summarized.
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Affiliation(s)
- Milena Jovanovic
- Section on Heritable Disorders of Bone and Extracellular Matrix, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, MD, USA
| | - Gali Guterman-Ram
- Section on Heritable Disorders of Bone and Extracellular Matrix, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, MD, USA
| | - Joan C Marini
- Section on Heritable Disorders of Bone and Extracellular Matrix, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, MD, USA
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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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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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Rousseau M, Vargas J, Rauch F, Marulanda J, Retrouvey J. Facial morphology analysis in osteogenesis imperfecta types I, III and IV using computer vision. Orthod Craniofac Res 2021. [DOI: 10.1111/ocr.12491] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
| | - Javier Vargas
- Departamento de Óptica Universidad Complutense de Madrid Madrid Spain
- Department of Anatomy and Cell Biology McGill University Montréal QC Canada
| | - Frank Rauch
- Montreal Shriners Hospital Montréal QC Canada
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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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