Lower Third Molar Impaction Based on Pell and Gregory Classification: A Panoramic Study

Tooth impaction is a term where the tooth is obstructed. Hence it is unable to fully erupt to its normal position. The objective of this study was to determine the prevalence of impacted mandibular third molars by gender and age, according to Pell and Gregory classification using panoramic radiography. This research was conducted using Panoramic radiograph data for impacted lower third molars was selected and was classified according to Pell and Gregory’s classification method. The resulting study Based on gender, the incidence of impacted lower third molars are dominated by females. Based on age, lower third molar impaction occurred mostly in people aged 21-30 years old. The relationship between gender and third molar impaction on the left mandible has a p-value of > 0.05. The relationship between gender and third molar impaction on the right mandible has a p-value of > 0.05. The relationship between age and third molar impaction on the left mandible has a p-value of > 0.05. The relationship between age and third molar impaction on the right mandible had a p-value of <0.05. Based on the study conducted, it can be concluded that the prevalence of lower third molar impaction based on gender is mostly seen in females with the age range from 21-30 years old, with class IA being the most common classification.