1
|
Sobti G, Chaudhry A, Thanvi J, Gaurav I, Shekhawat C, Banerjee D, Likhyani LK, Soni S. Co-Occurrence of Taurodontism in Nonsyndromic Cleft Lip and Palate Patients in Subset of Indian Population: A Case-Control Study Using CBCT. Cleft Palate Craniofac J 2023; 60:1053-1060. [PMID: 35369722 DOI: 10.1177/10556656221089159] [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] [Indexed: 11/16/2022] Open
Abstract
The present study aimed to assess the co-occurrence of taurodontism in nonsyndromic cleft lip and palate (NSCLP) patients in a subset of Indian population using cone beam computed tomography (CBCT). The study was a retrospective case-control kinds assessing 1500 CBCT scans over a period of 2 years; 67 scans out of 1500 showed cleft lip and palate (CLP). After fulfilling the inclusion and exclusion criteria, 38 subjects out of 67 comprised the case group; 80 randomly selected subjects constituted the control group. The first and second permanent molars in both the arches (8 teeth) of each subject were assessed for the presence and severity of taurodontism using the objective criteria. Statistical analysis was done using the χ2 test. Inter and intraobserver agreement was evaluated by Kappa statistics. 71.05% subjects showed taurodontism in case group, while 45% subjects showed its presence in control group; results being significant for both the groups. However, the comparison of number of teeth with taurodontism in the 2 groups came out to be statistically insignificant. Also no significant association of taurodontism was seen with gender or the different types of cleft (P = .437). Hypotaurodontism was the most prevalent type. There was a higher prevalence of taurodontism in both groups which had been underestimated in the previous studies. This emphasizes the significance of the use of CBCT in detection of dental anomalies which would otherwise go undetected.
Collapse
Affiliation(s)
- Geetika Sobti
- Department of Oral Medicine and Radiology, RUHS College of Dental Sciences, Jaipur, Rajasthan, India
| | - Astha Chaudhry
- Department of Oral Medicine and Radiology, Faculty of Dental Sciences, Shree Guru Gobind Singh Tricentenary(SGT) University, Gurugram, Haryana, India
| | - Jaishree Thanvi
- Department of Oral Medicine and Radiology, RUHS College of Dental Sciences, Jaipur, Rajasthan, India
| | - Isha Gaurav
- Department of Oral Medicine and Radiology, RUHS College of Dental Sciences, Jaipur, Rajasthan, India
| | - Chandni Shekhawat
- Department of Oral Medicine and Radiology, RUHS College of Dental Sciences, Jaipur, Rajasthan, India
| | - Debopriya Banerjee
- Department of Periodontics, RUHS College of Dental Sciences, Jaipur, Rajasthan, India
| | - Lalit Kumar Likhyani
- Department of Conservative Dentistry and Endodontics, RUHS College of Dental Sciences, Jaipur, Rajasthan, India
| | - Sugandhi Soni
- Public Health Dentistry, DAV Dental College, Yamunanagar, Haryana, India
| |
Collapse
|
2
|
Rodd HD, Nazzal H, Bonifacio CC, Ruth CW, Crombie F, El Shahawy O, Folayan MO, Gambetta-Tessini K, Goyal A, Hasmun N, Issa AI, Jundi S, Manton DJ, Narasimhan S, Omar S, Parekh S, Popoola BO, Silva M, Taylor G, Naomi YQ. An International Investigation of Molar Incisor Hypomineralisation (iMIH) and Its Association with Dental Anomalies: Development of a Protocol. Dent J (Basel) 2023; 11:dj11050117. [PMID: 37232768 DOI: 10.3390/dj11050117] [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: 03/27/2023] [Revised: 04/19/2023] [Accepted: 04/24/2023] [Indexed: 05/27/2023] Open
Abstract
BACKGROUND Molar incisor hypomineralisation (MIH) is a common disorder of tooth development, which has recently been found to be associated with a higher prevalence of hypodontia. The aim of this international multicentre study is to determine the association between MIH and other developmental anomalies in different populations. METHODS Investigators were trained and calibrated for the assessment of MIH and dental anomalies and ethical approvals obtained in each participating country. The study aimed to recruit 584 children with MIH and 584 children without MIH. Patients aged 7-16 years who attend specialist clinics will be invited to participate. Children will undergo a clinical examination to determine the presence and severity of MIH, using an established index. The presence of any other anomalies, affecting tooth number, morphology, or position, will be documented. Panoramic radiographs will be assessed for dental anomalies and the presence of third permanent molars. Statistical analysis, using a chi squared test and regression analysis, will be performed to determine any differences in dental anomaly prevalence between the MIH and non-MIH group and to determine any association between dental anomalies and patient characteristics. CONCLUSION This large-scale study has the potential to improve understanding about MIH with benefits for patient management.
Collapse
Affiliation(s)
- Helen D Rodd
- Unit of Oral Health, Dentistry and Society, School of Clinical Dentistry, University of Sheffield, Sheffield S10 2TA, UK
| | - Hani Nazzal
- Department Clinical Oral Health Sciences, College of Dental Medicine, Qatar University, Doha P.O. Box 2713, Qatar
- Hamad Dental Centre, Hamad, Medical Corporation, Doha P.O. Box 3050, Qatar
| | | | - Choe Wei Ruth
- National University Centre for Oral Health Singapore, Singapore 119085, Singapore
| | - Felicity Crombie
- Melbourne Dental School, University of Melbourne, Melbourne 3010, Australia
| | - Osama El Shahawy
- Pediatric Dentistry Department, Cairo University, Cairo 12613, Egypt
| | | | - Karla Gambetta-Tessini
- Department of Oral Rehabilitation, Faculty of Dentistry, University of Talca, Talca 3460000, Maule, Chile
| | - Ashima Goyal
- Oral Health Sciences Centre, PGIMER, Chandigarh 160012, India
| | - Noren Hasmun
- Department of Oral Sciences, Faculty of Dentistry, University of Otago, Dunedin 9054, New Zealand
| | - Ahmad I Issa
- Ministry of National Guard Health Affairs, King Abdulaziz Hospital, Riyadh 36428, Al Ahsa, Saudi Arabia
| | - Suhad Jundi
- Preventive Dentistry Department, Faculty of Dentistry, Jordan University of Science and Technology, Ar-Ramtha P.O. Box 3030, Jordan
| | - David J Manton
- Academic Center for Dentistry (ACTA), Gustav Mahlerlaan, 3004 Amsterdam, The Netherlands
- University Medical Centre Groningen, University of Groningen, 9713 GZ Groningen, The Netherlands
| | | | - Samah Omar
- Pediatric Dentistry Department, Loma Linda University School of Dentistry, Loma Linda, CA 92350, USA
| | - Susan Parekh
- UCL Eastman Dental Institute, London WC1E 6DG, UK
| | | | - Mihiri Silva
- Melbourne Dental School, University of Melbourne, Melbourne 3010, Australia
- Murdoch Children's Research Institute, Royal Children's Hospital, Melbourne 3052, Australia
| | - Greig Taylor
- School of Dental Sciences, Faculty of Medical Sciences, Newcastle University, Newcastle-upon-Tyne NE2 4AZ, UK
| | - Yang Qiyue Naomi
- Youth Preventive Services, Health Promotion Board, Singapore 179369, Singapore
| |
Collapse
|
3
|
High prevalence of taurodontism in North China and its relevant factors: a retrospective cohort study. Oral Radiol 2023; 39:266-274. [PMID: 35771318 DOI: 10.1007/s11282-022-00630-1] [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: 12/30/2021] [Accepted: 05/23/2022] [Indexed: 10/17/2022]
Abstract
OBJECTIVE The purpose of this study was to investigate the prevalence and relevant factors of taurodontism in North China. METHODS We retrospectively analysed the cone beam computed tomography (CBCT) of 1025 patients (496 male and 529 female) aged between 10 and 59 years. The crown-body/root (CB/R) ratios of the maxillary and mandibular molars were measured. The prevalence of hypotaurodontism, mesotaurodontism, and hypertaurodontism was then calculated and the incidence of taurodontism along with its relevant factors, was evaluated. RESULTS The overall rate of taurodontism in North China was as high as 78.9%. If the third molars (opsigenes) were excluded, which have a big morphological variation from each other, the rate was 52.4%. The mean CB/R ratio of taurodontism differs from tooth position: maxillary mandibular third molars > maxillary third molars > maxillary second molars > maxillary first molars > mandibular second molars > mandibular first molars (P < 0.05). In addition, the 1025 patients were divided into different age groups, and it was found that the mean CB/R ratio decreased with age (P < 0.05). Moreover, the CB/R ratio of the mandibular first and second molars in female patients was higher than males (P < 0.05). CONCLUSION This study revealed that taurodontism is widely prevalent in North China. The incidence of taurodontism increases the closer the tooth is to the back end of the dental arch, and quite a few of the maxillary and mandibular third molars teeth have tapered roots. And the taurodontism is decreased by age, as there were more affected female than male patients.
Collapse
|
4
|
das Neves LT, de Carvalho IMM, Cobourne MT, Gomide MR. Dental anomalies in non-syndromic orofacial clefts: a clinical approach. Oral Dis 2022; 28:1351-1368. [PMID: 35485181 DOI: 10.1111/odi.14226] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2021] [Revised: 04/13/2022] [Accepted: 04/21/2022] [Indexed: 11/28/2022]
Abstract
Orofacial clefts (OC) represent some of the most common congenital malformations and affect multiple structures in the craniofacial region. There are a wide range of morphological OC types within the spectrum of both non-syndromic OC (NSOC) and syndromic OC, including cleft lip (CL); cleft lip and palate (CLP) and cleft palate (CP). Here, we describe the most frequent dental anomalies seen in the permanent dentition of individuals with NSOC, comparing them between the three main cleft types (CL, CLP, CP). We present these findings from the perspective of prevalence relating to each anomaly, as well as the clinical characteristics and potential impact in the rehabilitation process. The investigation of dental anomalies associated with NSOC is important, helping to expand the phenotypic characterization of NSOC, improve initial diagnostics and establish appropriate rehabilitation and counseling.
Collapse
Affiliation(s)
- Lucimara Teixeira das Neves
- Hospital for Rehabilitation of Craniofacial Anomalies, University of São Paulo, Bauru, Brazil.,Bauru School of Dentistry, University of Sao Paulo, Department of Biological Science - FOB/USP), Bauru, Brazil
| | | | - Martyn T Cobourne
- Centre for Craniofacial & Regenerative Biology, Faculty of Dentistry, Oral & Craniofacial Sciences, King's College London, Guy's Hospital, London, UK.,Department of Orthodontics, Faculty of Dentistry, Oral & Craniofacial Sciences, King's College London, Guy's and St Thomas' NHS Foundation Trust, London, UK
| | - Marcia Ribeiro Gomide
- Hospital for Rehabilitation of Craniofacial Anomalies, University of São Paulo, Bauru, Brazil
| |
Collapse
|
5
|
Khan MI, Ahmed N, Neela PK, Unnisa N. The Human Genetics of Dental Anomalies. Glob Med Genet 2022; 9:76-81. [PMID: 35707781 PMCID: PMC9192175 DOI: 10.1055/s-0042-1743572] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2021] [Accepted: 12/29/2021] [Indexed: 11/17/2022] Open
Abstract
The development of tooth is a highly complex procedure and mastered by specific genetic programs. Genetic alterations, environmental factors, and developmental timing can disturb the execution of these programs, and result in various dental anomalies like hypodontia/oligodontia, and supernumerary teeth, which are commonly seen in our clinical practice. Advances in molecular research enabled the identification of various genes involved in the pathogenesis of dental anomalies. In the near future, it will help provide a more accurate diagnosis and biological-based treatment for these anomalies. In this article, we present the molecular phenomenon of tooth development and the genetics of various dental anomalies.
Collapse
Affiliation(s)
- Mahamad Irfanulla Khan
- Department of Orthodontics & Dentofacial Orthopedics, The Oxford Dental College, Bangalore, Karnataka, India
| | - Nadeem Ahmed
- General Dental Practitioner, Max Dental Specialties, Bangalore, Karnataka, India
| | - Praveen Kumar Neela
- Department of Orthodontics & Dentofacial Orthopedics, Kamineni Institute of Dental Sciences, Narketpally, Andhra Pradesh, India
| | - Nayeem Unnisa
- General Dental Practitioner, The Dental Clinic, Bangalore, Karnataka, India
| |
Collapse
|
6
|
Karataban PK, Zorlu S, Ozdas DO. Clinical and Radiographical Evaluation of Non-syndromic Dental Anomalies in Turkish Children. Open Access Maced J Med Sci 2022. [DOI: 10.3889/oamjms.2022.7345] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Abstract
AIM: The aim of this study was to investigate the frequency and distribution of non-syndromic developmental dental anomalies in Turkish children in different age groups.
SUBJECTS AND METHODS: A sample of 516 children aged 3–17 years who attended the Pediatric Dentistry Department of Istanbul Aydin University were evaluated clinically and radiographically for the existence of any structural, shape, and number anomalies of the developing dentition, and the most prevalent anomalies were compared according to gender and age groups.
RESULTS: The most observed dental anomaly was Molar Incisor Hypomineralization (MIH) and tooth agenesis by a percentage of 14.3% and 4.8%, respectively. The incidence of MIH was higher in 7–8 and 9–10 years of age groups. There were no anomalies detected in 361 (70%) of the patients; meanwhile, only one anomaly was observed in 110 (21.3%), two different anomalies at the same time were observed in 33 (6.4%), and more than two anomalies were observed in 12 (2.3%) in the study group.
STATISTICS: The statistical analysis of the results was obtained using the IBM SPSS Statistics 22 (IBM SPSS, Inc USA) program. p < 0.05 was considered to be statistically significant.
CONCLUSION: Although there are no known systemic disturbances, at least, one dental anomaly was observed in 21.3% of the children. The most observed anomalies were MIH and tooth agenesis. An increase in the MIH prevalence throughout the world may lead to the suggestion that more investigations should be made on environmental predisposing factors. Besides, there might be common genetic factors and genes (PAX9, AXIN2, MSX1) affecting both tooth development and tumor formation which may be a potential risk marker for future cancer development.
Collapse
|
7
|
Awadh W, Pegelow M, Heliövaara A, Rice DP. Taurodontism in the first permanent molars in Van der Woude syndrome compared to isolated cleft palate. Eur J Orthod 2021; 43:29-35. [PMID: 32558917 DOI: 10.1093/ejo/cjaa014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
OBJECTIVES To analyse prevalence, pattern, and severity of taurodontism in individuals with Van der Woude syndrome (VWS) exhibiting cleft palate and compare with aged-matched non-syndromic cleft palate (NSCP) and non-cleft controls. MATERIALS AND METHODS One hundred and seventy-eight dental panoramic tomographs (DPTs) (105 girls and 73 boys) consisting of 42 VWS patients (x¯=8.55±1.02 years), 42 NSCP patients (x¯=8.59±1.02 years), and 94 normative non-cleft children (x¯=8.79±1.16 years) were assessed and their first permanent molars evaluated. Measurement 3 of the taurodontism index developed by Shifman and Chanannel with the Tulensalo modification was used. Prevalence, pattern, and severity were compared between groups. Statistical differences were determined by one-way analysis of variance and Fisher test. Repeatability was calculated by Cohens Kappa test. RESULTS The prevalence of taurodontic molars was 59.5% in VWS, 45.2% in NSCP, and 26.6% in non-cleft controls. The prevalence and severity of taurodontism in VWS and NSCP were significantly higher than in non-cleft children in all first permanent molars. There was no significant difference in prevalence and severity between VWS and NSCP. The odds for having taurodontism in the VWS group was approximately double compared to the NSCP group. Most of the taurodontic molars showed hypotaurodontism and taurodontism occurred bilaterally more frequently than unilaterally. CONCLUSION This study shows a higher prevalence of taurodontism in VWS and NSCP. Most taurodontic molars are hypotaurodontic and most occur bilaterally.
Collapse
Affiliation(s)
- Wael Awadh
- Orthodontics, Department of Oral and Maxillofacial Diseases, University of Helsinki and Helsinki University Hospital, Helsinki, Finland.,Division of Orthodontics, Department of Preventive Dental Sciences, College of Dentistry, Jazan University, Jazan, Saudi Arabia
| | - Marie Pegelow
- Division of Orthodontics, Department of Dental Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Arja Heliövaara
- Cleft Palate and Craniofacial Center, Department of Plastic Surgery, Helsinki University Hospital, Helsinki, Finland
| | - David P Rice
- Orthodontics, Department of Oral and Maxillofacial Diseases, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
| |
Collapse
|
8
|
Lévy J, Capri Y, Rachid M, Dupont C, Vermeesch JR, Devriendt K, Verloes A, Tabet AC, Bailleul-Forestier I. LEF1 haploinsufficiency causes ectodermal dysplasia. Clin Genet 2020; 97:595-600. [PMID: 32022899 DOI: 10.1111/cge.13714] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2019] [Revised: 01/28/2020] [Accepted: 01/30/2020] [Indexed: 11/30/2022]
Abstract
Ectodermal dysplasias are a family of genodermatoses commonly associated with variants in the ectodysplasin/NF-κB or the Wnt/β-catenin pathways. Both pathways are involved in signal transduction from ectoderm to mesenchyme during the development of ectoderm-derived structures. Wnt/β-catenin pathway requires the lymphoid enhancer-binding factor 1 (LEF1), a nuclear mediator, to activate target gene expression. In mice, targeted inactivation of the LEF1 gene results in a complete block of development of multiple ectodermal appendages. We report two unrelated patients with 4q25 de novo deletion encompassing LEF1, associated with severe oligodontia of primary and permanent dentition, hypotrichosis and hypohidrosis compatible with hypohidrotic ectodermal dysplasia. Taurodontism and a particular alveolar bone defect were also observed in both patients. So far, no pathogenic variants or variations involving the LEF1 gene have been reported in human. We provide further evidence for LEF1 haploinsufficiency role in ectodermal dysplasia and delineate its clinical phenotype.
Collapse
Affiliation(s)
- Jonathan Lévy
- Genetics Department, AP-HP, Robert-Debré University Hospital, Paris, France
| | - Yline Capri
- Genetics Department, AP-HP, Robert-Debré University Hospital, Paris, France
| | - Myriam Rachid
- Genetics Department, AP-HP, Robert-Debré University Hospital, Paris, France
| | - Céline Dupont
- Genetics Department, AP-HP, Robert-Debré University Hospital, Paris, France
| | - Joris R Vermeesch
- Department of Human Genetics, KU Leuven, Leuven, Belgium.,Center of Human Genetics, University Hospitals Leuven, Leuven, Belgium
| | - Koen Devriendt
- Department of Human Genetics, KU Leuven, Leuven, Belgium.,Center of Human Genetics, University Hospitals Leuven, Leuven, Belgium
| | - Alain Verloes
- Genetics Department, AP-HP, Robert-Debré University Hospital, Paris, France
| | - Anne-Claude Tabet
- Genetics Department, AP-HP, Robert-Debré University Hospital, Paris, France.,Neuroscience Department, Génétique Humaine et Fonction Cognitive Unit, Pasteur Institute, Paris, France
| | - Isabelle Bailleul-Forestier
- Department of Paediatric Dentistry, Rare Oral and Dental Competence Center, CHU Toulouse, Paul Sabatier University, Toulouse, France
| |
Collapse
|
9
|
Marques Fernandes M, Ferreira Silva R, De Lucena Botelho T, Ribeiro Tinoco RL, Fontanella V, Nogueira de Oliveira R. Taurodontism and its forensic value: a case report. THE JOURNAL OF FORENSIC ODONTO-STOMATOLOGY 2018; 36:40-43. [PMID: 30712030 PMCID: PMC6626534] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Taurodontism is an anomaly that affects posterior teeth, vertically increasing the size of the pulp chamber, mimicking the shape of bovine teeth, being only evidenced in diagnostic images. This report describes a case of taurodontism in a mandibular second molar, highlighting the forensic importance of this dental anomaly with relevant potential for human identification, not only for its morphological aspect but also for its relatively low frequency in mandibular second molars. In the case under study, the individual did not have any restored teeth. Thus, the set of diverse imaging modalities is fundamental to identify the anatomy of teeth and roots, the only information that could be used in a hypothetical identification situation, assigning to this anomaly an exceptional relevance as a potential characteristic for positive identification.
Collapse
Affiliation(s)
- M Marques Fernandes
- Biomedical Service of the Public Ministry of the State of Rio Grande do Sul, Porto Alegre/RS, Brazil
| | - R Ferreira Silva
- Dental School of Federal University of Goiás, Goiânia/GO, Brazil
| | | | | | - V Fontanella
- Dental School, Federal University of Rio Grande do Sul, Porto Alegre/RS, Brazil
| | - R Nogueira de Oliveira
- Department of Social Dentistry, Dental School of University of São Paulo, São Paulo/SP, Brazil
| |
Collapse
|
10
|
Kirzioglu Z, Ceyhan D, Gok Coban B. An assessment of the association of taurodontism with various dental anomalies, syndromes, systemic diseases and/or genetic diseases, and its role in identification. AUST J FORENSIC SCI 2018. [DOI: 10.1080/00450618.2017.1296185] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Affiliation(s)
- Zuhal Kirzioglu
- Department of Pedodontics, Faculty of Dentistry, Suleyman Demirel University , Isparta, Turkey
| | - Derya Ceyhan
- Department of Pedodontics, Faculty of Dentistry, Suleyman Demirel University , Isparta, Turkey
| | - Begum Gok Coban
- Department of Pedodontics, Faculty of Dentistry, Suleyman Demirel University , Isparta, Turkey
| |
Collapse
|
11
|
Jamshidi D, Tofangchiha M, Jafari Pozve N, Mohammadpour M, Nouri B, Hosseinzadeh K. Prevalence of Taurodont Molars in a Selected Iranian Adult Population. IRANIAN ENDODONTIC JOURNAL 2017; 12:282-287. [PMID: 28808451 PMCID: PMC5527200 DOI: 10.22037/iej.v12i3.13905] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
Introduction: Taurodontism is an anomaly characterized by elongated crowns and consumedly apical location of the bifurcation area. This study aimed to determine the prevalence of taurodontism in molars based on digital panoramic radiographies in eight cities of Iran. Methods and Materials: This descriptive cross-sectional study was conducted on 2360 digital panoramic radiographs taken for different treatment purposes. Demographic information of patients was recorded and radiographs were evaluated for presence of taurodont molars. The prevalence rates were calculated and the data were analyzed using SPSS software version 18 via paired t-test, chi square test and ANOVA. Results: A total of 2360 panoramic radiographs (from 51.4% male and 48.6% female patients) were evaluated and the prevalence of taurodontism was reported 22.9% (22.6% in males and 23.3% in females) (P>0.05). Its prevalence was 51.67% in the right and 48.33% in the left quadrants (P>0.05), 34.1% in the mandible and 65.9% in the maxilla (P=0.000) and 79.52% in the second and 20.48% in the first molar (P=0.000). The prevalence of hypotaurodontism, mesotaurodontism and hypertaurodontism was 84.13%, 11.07% and 4.8%, respectively. Conclusion: The prevalence of taurodont molars was high in Iran and it was more common in the second molars and in the maxilla. Hypotaurodontism had the highest prevalence.
Collapse
Affiliation(s)
- Davoud Jamshidi
- Department of Endodontics, Dental School, Qazvin University of Medical Science, Qazvin, Iran
| | - Maryam Tofangchiha
- Department of Oral and Maxillofacial Radiology, Dental School, Qazvin University of Medical Sciences, Qazvin, Iran
| | - Nasim Jafari Pozve
- Department of Oral and Maxillofacial Radiology, Dental Implants Research Center, Isfahan University of Medical Sciences, Islamic Azad University, Khorasgan Branch, Isfahan, Iran
| | - Mahdis Mohammadpour
- Department of Oral and Maxillofacial Radiology, Dental School, Qazvin University of Medical Sciences, Qazvin, Iran
| | - Bijan Nouri
- Department of Epidemiology and Biostatistics,Medical School, Kurdistan University of Medical Science, Kurdistan, Iran
| | - Kazem Hosseinzadeh
- Faculty of NursingandMidwifery, Qazvin University of Medical Sciences, Qazvin, Iran
| |
Collapse
|
12
|
C do Nascimento A, A F Marques A, C Sponchiado-Júnior E, F R Garcia L, M A de Carvalho F. Endodontic Treatment of Hypertaurodontic Mandibular Molar Using Reciprocating Single-file System: A Case Report. THE BULLETIN OF TOKYO DENTAL COLLEGE 2016; 57:83-9. [PMID: 27320297 DOI: 10.2209/tdcpublication.2015-0033] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
Taurodontism is a developmental tooth disorder characterized by lack of constriction in the cementoenamel junction and consequent vertical stretch of the pulp chamber, accompanied by apical displacement of the pulpal floor. The endodontic treatment of teeth with this type of morpho-anatomical anomaly is challenging. The purpose of this article is to report the successful endodontic treatment of a hypertaurodontic mandibular molar using a reciprocating single-file system.
Collapse
|
13
|
Melo Filho MR, Nogueira dos Santos LA, Barbosa Martelli DR, Silveira MF, Esteves da Silva M, de Barros LM, Coletta RD, Martelli-Júnior H. Taurodontism in patients with nonsyndromic cleft lip and palate in a Brazilian population: a case control evaluation with panoramic radiographs. Oral Surg Oral Med Oral Pathol Oral Radiol 2015; 120:744-50. [DOI: 10.1016/j.oooo.2015.08.005] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2015] [Revised: 07/27/2015] [Accepted: 08/04/2015] [Indexed: 11/25/2022]
|
14
|
Puttalingaiah VD, Agarwal P, Miglani R, Gupta P, Sankaran A, Dube G. Assessing the association of taurodontism with numeric dentition anomalies in an adult central Indian population. J Nat Sci Biol Med 2014; 5:429-33. [PMID: 25097429 PMCID: PMC4121929 DOI: 10.4103/0976-9668.136222] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
Abstract
AIM To study the association between taurodontism and numeric anomalies in adult population. MATERIALS AND METHODS Out of 1,012; 946 panoramic radiographs and dental records were retrospectively assessed to determine the presence of dental agenesis and supernumerary and taurodont teeth. RESULTS Taurodontism of one or more teeth was observed in 164 cases (97 females and 67 males). Hypodontia was observed in 148 patients (84 females and 64 males) with 62 patients having associated taurodontism (38 females, 24 males), oligodontia in 12 patients (five females and seven males) of whom nine patients also had taurodontism of one or more teeth (five females and four males). Forty-five patients (32 females and 13 males) presented with 57 supernumerary teeth (ST) with 12 patients having simultaneous presence of taurodontic tooth (seven females and five males). CONCLUSION Our study suggests a preferential association between tooth agenesis and taurodontism; however, such association was not observed in individuals with hyperdontia. Understanding the nature of this preferential association may be of importance in determining the etiology of both conditions. This association may also define a subphenotype for future genetic studies on dental development. Further molecular studies are necessary to verify the etiology and mechanism of taurodontism associated with tooth agenesis.
Collapse
Affiliation(s)
| | - Poonam Agarwal
- Department of Oral Medicine and Radio Diagnosis, Hitkarini Dental College and Hospital, Jabalpur, Madhya Pradesh, India
| | - Rohit Miglani
- Department of Conservative Dentistry, Hitkarini Dental College and Hospital, Jabalpur, Madhya Pradesh, India
| | - Puneet Gupta
- Department of Preventive and Community Dentistry, Government College of Dentistry, Indore, Madhya Pradesh, India
| | - Abilash Sankaran
- Department of Conservative Dentistry, Hitkarini Dental College and Hospital, Jabalpur, Madhya Pradesh, India
| | - Gunjan Dube
- Department of Oral Surgery, Hitkarini Dental College and Hospital, Jabalpur, Madhya Pradesh, India
| |
Collapse
|