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ARTICLE
Year : 2012  |  Volume : 10  |  Issue : 20  |  Page : 40-47

Evaluating the status of third molars and associated pathologies among post graduate students of Hyderabad city - An epidemiological study


1 Professor, Public health Dentistry, Sri Sai College of Dental Surgery, Hyderabad, India
2 Sr. Lecturer, Public health Dentistry, MNR Dental College, Sangareddy, Hyderabad, India
3 Professor and HOD, Public health Dentistry, Sri Sai College of Dental Surgery, Hyderabad, India
4 Sr. Lecturer, Public health Dentistry, Sri Sai College of Dental Surgery, Hyderabad, India

Correspondence Address:
Arpitha Kotha
Chaitanyapuri, DSNR, Hyderabad - 500060
India
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Source of Support: None, Conflict of Interest: None


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Introduction: The third molars continue to generate more controversies concerning eruption patterns and pathologic sequelae than any other tooth in the oral cavity. As very few epidemiological studies are available reviewing the status of third molars and associated pathologies. The present study was conducted to give a baseline data on third molars. Methodology: A total of368 post graduate students (147 males, 221 females) were selected by systematic random sampling. A questionnaire containing demographic information was filled by the participants; clinical examination was done by the investigator to check the status (Unerupted, partially erupted, completely erupted). The angulations of the third molars were classified based on Winter's classification. Non parametric chi square test was used to assess the data. Results: The impactions were more in mandible (47.8%) than in maxilla (44.8%), females(48.8%) than males (42.1%). the proportion of the congenitally absent were 8.2%, unerupted were27.8%, partially erupted were 18.3% and completely erupted were 43.2%. Among the impacted third molars, Mesioangular impacted third molars were highest in number and in percentage 40.5%(275) followed by vertical 35.6% (242), horizontal 12.6% (86) and the distoangularll.1% (76).34.4% of the third molars were with pathologies which included pericoronitis, dental caries,periodontitis etc. Conclusion: The overall prevalence of impacted third molars was 46.12%, which was higher in females than males, mandible than maxilla. Almost one third of the third molars were associated with pathologies.


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