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Objectives: Developmental anomalies of the dentition are not infrequently observed by the dental practitioner. The
aim of the present study was to determine the prevalence of dental anomalies in the Indian population.
Study design: A retrospective study of 4133 panoramic radiographs of patients, who attended the Department of
Oral Medicine and Radiology, Jodhpur Dental College General Hospital between September 2008 to December
2012 was done. The ages of the patients ranged from 13 to 38 years with a mean age of 21.8 years. The orthopantomographs (OPGs) and dental records were examined for any unusual finding such as congenitally missing teeth,
impactions, ectopic eruption, supernumerary teeth, odontoma, dilacerations, taurodontism, dens in dente, germination and fusion, among others.
Results: 1519 (36.7%) patients had at least one dental anomaly. The congenitally missing teeth 673 (16.3%) had the
highest prevalence, followed by impacted teeth 641 (15.5%), supernumerary teeth 51 (1.2%) and microdontia 41
(1.0%). Other anomalies were found at lower prevalence ranging from transposition 7 (0.1%) to ectopic eruption
30 (0.7%).
Conclusion: The most prevalent anomaly in the Indian population was congenitally missing teeth (16.3%), and the
second frequent anomaly was impacted teeth (15.5%), whereas, macrodontia, odontoma and transposition were the
least frequent anomalies, with a prevalence of 0.2%, 0.2% and 0.1% respectively. While the overall prevalence of
these anomalies may be low, the early diagnosis is imperative for the patient management and treatment planning.
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