Table of contents : General principles related to the diagnosis and treatment of impacted teeth -- Radiographic methods related to the diagnosis of impacted teeth -- Surgical exposure of impacted teeth -- Treatment components and strategy -- Maxillary central incisors -- Palatally impacted canines -- Impacted teeth and resorption of the roots of adjacent teeth -- Other single teeth -- Impacted teeth in the adult patient -- Lingual appliances, implants, and impacted teeth -- Rescuing teeth impacted in dentigerous cysts -- The anatomy of failure -- Traumatic impaction -- Cleidocranial dysplasia -- Extreme impactions, unusual phenomena, and difficult decisions.