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Clinical evaluation of nonsyndromic dental anomalies in Dravidian population: A cluster sample analysis
Andamuthu Yamunadevi1, M Selvamani2, V Vinitha3
1Department of Oral Pathology, Vivekanandha Dental College for Women, Tiruchengo, Tamil Nadu, India.
Aim:
To record the prevalence rate of dental anomalies in Dravidian population and analyze the percentage of individual anomalies in the population.
Methodology:
A cluster sample analysis was done, where 244 subjects studying in a dental institution were all included and analyzed for occurrence of dental anomalies by clinical examination, excluding third molars from analysis.
Results:
31.55% of the study subjects had dental anomalies and shape anomalies were more prevalent (22.1%), followed by size (8.6%), number (3.2%) and position anomalies (0.4%). Retained deciduous was seen in 1.63%. Among the individual anomalies, Talon's cusp (TC) was seen predominantly (14.34%), followed by microdontia (6.6%) and supernumerary cusps (5.73%).
Conclusion:
Prevalence rate of dental anomalies in the Dravidian population is 31.55% in the present study, exclusive of third molars. Shape anomalies are more common, and TC is the most commonly noted anomaly. Varying prevalence rate is reported in different geographical regions of the world.
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