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RESEARCH ARTICLE
Year : 2011  |  Volume : 23  |  Issue : 5  |  Page : 328-332

Eruption status of third molars in South Indian city


1 Reader, Department of Oral Medicine and Radiology, MM's NG Halgekar Institute of Dental Sciences and Research Centre Belgaum, Karnataka, India
2 Principal and Head, Department of Oral and Maxillofacial Pathology, MM's NG Halgekar Institute of Dental Sciences and Research Centre, Belgaum, Karnataka, India
3 Professor, Department of Oral and Maxillofacial Surgery, MM's NG Halgekar Institute of Dental Sciences and Research Centre, Belgaum, Karnataka, India

Correspondence Address:
Sujata M Byahatti
Reader, Department of Oral Medicine and Radiology, Plot no-49, Sector # 9, Malmaruti Extn, Belgaum-590016, Karnataka
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.5005/jp-journals-10011-1161

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Aim : The aim of the present study is to determine the number of third molars per person, angulation, level, amount of space for eruption of third molar between ramus of mandible and second molar status of root and also to study the difficulty index. Objective: To study the eruption status of third molar in South Indian population. Materials and methods: The study conducted at Department of Oral Medicine and Radiology. Maratha Mandals NG Halgekar College of Dental Sciences and Research Centre. Belgaum, Karnataka, India A total of 150 patients (54 females and 96 males) visiting outpatient department between the age group of 17 and 30 with a mean age of 23.5 years were selected- Before starting the study, ethical concern taken from the ethical committee and informed consent from each patent who underwent radiographic examination. Results: The results showed approximately 94.66% of the subjects had all four third molars, 8.6% had three third molars, 4.6% had two third molars and 2% had one third molars with 3.3% having agenesis of all third molars. Third molar agenesis showed predilection for upper jaw with higher proportion in females (5 5%) than males (2%). Angular position seen maximum with vertical position (66.16%) with least being horizontal impactions. Level of occlusal plane of third molar similar to that of adjacent tooth seen in 52.65%. Below the occlusal plane in 19.61 %, totally impacted teeth noted in 27.73%. More than 75% of the teeth had complete root formation. Among total number of teeth, 518 (91.51 %) teeth were easy to extract and remaining 33 (5.8%) were difficult to extract. Conclusion: Radiological and clinical findings have correlated to assess whether teeth were easy to extract or difficult. Because of the increasing incidence of unerupted third molars and the association of numerous complications with these retained teeth, assessment of germ position and prognosis of third molar eruption is necessary for better patient management.


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