彭建綸;李勝揚Peng CL; Su YY; Lee SY;2026-05-212026-05-212006https://203.71.86.71/handle/123456789/24975A 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 patienten-US牙醫學系期刊論文article