this case report describes the treatment of a 36-year-old patient who presented a skeletal and dental class iii malocclusion and missing upper canines. the patient was treated with orthosurgical maxillary advancement (le fort 1) and occlusal adjustment of the first premolars, which replaced the canines. this case was presented to the brazilian board of orthodontics and facial orthopedics (bbo), as representative of category 4, i.e., malocclusion with severe anteroposterior discrepancy, as part of the requirements for obtaining the bbo diploma.
