Radiographic analysis of prevalence of impacted third molars in the odontological office of the university – Centro Universitário Positivo

The occurrence of impacted third molars is a common situation indental offices, consequently, a critical analysis is imperative for a correct diagnosis and treatment plan. Concerning this approach, the panoramic x-ray is of fundamental importance during the planning process. In this study, the prevalence of impacted third molars was analyzed through 221 panoramic x-rays and a proper form was fulfilled with age and sex of each patient. The data obtained from the third molars was classified according to Winter, Pell and Gregory. The results showed the lower third molars and a higher frequency of impactation than the upper ones; female sex had a prevalence of a 3:1 ratio. Concerning Winter’s classification the disto-angular position was more prevalent,and related to Pell and Gregory, the position C and class III were the most frequent situations. Thus, the pre-operative assessment, based on the existing classifications and on the radiological exams is of fundamental importance for a correct diagnosis and treatment plan.