彎曲牙乃因恆牙未萌發前,牙胚受外力接擊影響而造成牙根彎曲的牙齒。一般均以拔牙,或矯正及根尖手術等作治療。本篇報告為一26歲男性病人的上顎左側中門齒併有頰側牙根穿孔,以保守性牙髓病治療法治療成功的病例。避免造成拔牙後齒槽骨吸收,使補綴工作更複雜,並獲得最好的外觀。僅提出治療上的經驗,供做臨床上治療之參考。
Dilacerated tooth is caused by disruption of the follicle of the developing tooth secondary to traumatic injury of its deciduous predecessor. This case presented a dilacerated permanent maxillary incisor which was perforated in root canal at buccal side by general practitioner and treated successfully by conservative endodontic therapy.