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선예경 인제대학교 백병원 2002 仁濟醫學 Vol.23 No.4
Supernumerary teeth are a disorder of odontogenesis and characterized by the teeth formed in excess of the normal dental formula. Clinical records and radiographs of 123 patients with 168 maxillary anterior supernumerary teeth were evaluated in order to find out their distribution, shape, direction and position of impaction and complications. The following results were obtained; 1. The majority of supernumerary teeth were conical in shape and occurred more frequently in cervical or supracervical position to the adjacent teeth and in the central incisor region. 2. Supernumerary teeth caused one or more complication to the dentition in 72.4% of the total patients. 3. Delayed eruption of the adjacent teeth were significantly related to the supernumerary teeth which located in the cervical or supracervical position to the adjacent teeth and malposition of the adjacent teeth were related to those in the location between cervix and apes of the adjacent teeth(p<0.05).