Abstract

DIAS-RIBEIRO, Eduardo et al. Prevalence of the retained lower third molars positions related to Pell & Gregory classification. Rev. Odont. Mex [online]. 2009, vol.13, n.4, pp.229-233. ISSN 1870-199X.  https://doi.org/10.22201/fo.1870199xp.2009.13.4.15559.

A retrospective study with complementary data of panoramic radiographies analysis was carried out. Four hundred and thirty of 3,660 radiographies of patients attended in All Doc Radiologia Odontologica Ltda., Curitiba, Paraná, Brazil Clinic were selected. The inclusion criteria were: patients among 20 and 40 years old, male and female, and patients who presented at least one retained third molar and an adjacent second molar. The results showed that the highest prevalence of third molar retention was in female patients from 20 to 25 years old. According to the classification used, the Position A, Class II predominated in both left and right sides.

Keywords : Epidemiology; non-erupted teeth; third molar; panoramic radiography.