Prevalence of lower second molar impaction on panoramic radiographs of Peruvian individuals. A cross-sectional study

The prevalence of impacted second molars in our study was significant and has a considerable impact on orthodontic clinical practice. This issue was more common in females, with most cases occurring at the coronal level. The most frequent orientation of impaction was mesioangular, and unilateral cases were more common than bilateral ones. <b>Key words:</b>Prevalence, Mandible, Tooth eruption, Panoramic radiograph, Molar tooth.