Unilateral Horizontally Impacted Maxillary Canine and First Premolar Treated with a Double Archwire Technique

A patient with a unilateral horizontally impacted upper left canine and first premolar was treated orthodontically. The use of a double archwire technique achieved the desired treatment goals. We discuss the problems associated with impacted maxillary canines and first premolars and the biomechanical interventions used for this patient