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Year : 2017  |  Volume : 7  |  Issue : 2  |  Page : 116-119

Prevalence of dentinogenesis imperfecta in a French population

1 Department of Oral Pathology and Diagnosis, Lebanese University, Beirut, Lebanon
2 Dental Clinical Management, Faculty of Dental Medicine, Lebanese University, Beirut, Lebanon
3 Radiologist, Specialist in Dentomaxillofacial and Cephalic Diagnostic Imaging, France
4 Radiologist, Specialist in Dentomaxillofacial and Cephalic Diagnostic Imaging, Member of the French National Academy of Dental Surgery, Paris, France

Correspondence Address:
Georges Aoun
Department of Oral Pathology and Diagnosis, Faculty of Dental Medicine, Lebanese University, Beirut
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/jispcd.JISPCD_48_17

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Background: Dentinogenesis imperfecta is a genetic disorder of the dentin occurring during the tooth development. It leads to many structural changes that can be identified clinically (brownish colored teeth, cracked enamel) and radiologically (globular crown, cervical constriction, short roots, and obliterated pulp chamber and/or root canals). The aim of this study was to determine by panoramic radiographs assessment the incidence of dentinogenesis imperfecta in a group of patients attending a specialized maxillofacial imaging center in Paris, France. Material and Methods: A retrospective observational study was conducted using panoramic radiographs of 8830 patients (3723 males and 5107 females), which were used to search the radiological criteria of dentinogenesis imperfecta. Results: In our sample, the prevalence of dentinogenesis imperfecta was 0.057%. Out of the 8830 subjects, 0.080% of the males presented the radiological signs of the dentinogenesis imperfecta against 0.039% of the females. Conclusion: In our study, we found that dentinogenesis imperfecta is a relatively rare dental anomaly in France, with a rate different from the rates reported in other studies and with no disparity in prevalence among genders.

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