Má oclus？o de Classe I de Angle, com ausência congênita e impac？？o de dentes permanentes

this article reports the orthodontic treatment of a 14 year and 6 months old patient that had a angle class i malocclusion with an ectopic position and impaction of the tooth 45 and congenitally absence of tooth 35. this case was treated with the extraction of the tooth 45 and space closure in the lower arch. initial, final and post-treatment orthodontic records will be presented and discussed. this case was presented to the brazilian board of orthodontics and facial orthopedics (bbo), representing the category 7, free choice, as part of the requirements for achieving the title of bbo diplomate.