Classification of Pell and Gregory in panoramic radiographs of the Extreme South of Catarinense

Abstract

Introduction: Imaging exams are extremely important to verify the position and depth of the tooth in the dental arch. Objectives: To evaluate the radiographic position of third molars and classify them according to the Pell and Gregory Classification and the Winter Classification. Material and methods: To evaluate in panoramic radiographs the depth of impaction in relation to the position of the 2nd molar according to the Pell and Gregory Classification, relationship with the mandibular ramus according to the Pell and Gregory Classification, inclusion in the dental arch and to evaluate the angulation of the 3rd molars according to the Winter Classification, of patients from a basic health unit in Criciúma - SC. Results: Of the radiographs requested, the largest number were for people aged 60 or over. There were more women and the upper third molars with the most common classifications were mesioangulated, submucosal, and class A. The lower third molars were mesioangulated, submucosal, and class A, and the relationship with the mandibular branch was number 1. Conclusion: The Pell and Gregory and Winter Classifications proved useful for identifying recurring anatomical patterns in the studied population, assisting the dentist in radiographic evaluation and surgical planning, with the potential to minimize risks and optimize clinical procedures.