Abstract
The objective of this study was to study incidence of type of impaction of mandibular third molars in the Indian population. Data of 1200 patients examined during a 5-year period were reviewed, which included status of mandibular third molar for inclination, emergence in oral cavity, and prevalence of caries. Radiographically, angulation of tooth, level of occlusal surface of third molar with respect to second molar, relationship between ascending ramus of mandible and distal surface of third molar, and proximity to inferior alveolar nerve were studied. Of 1200 patient data reviewed, 620 (51.77%) were of men and 580 (48.3%) were women in the age group of 20 to 40 years (26.3 years). Mesioangular impaction was most prevalent followed by distoangular. A strong statistical significance was found between gender and ramus relationship. Fifty percent of cases showed proximity to the inferior alveolar nerve, which was more frequent in males (58.3%). Our study highlights mesioangular impaction as the most frequently encountered angulation in impacted teeth.
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