A case report is presented on a 26-year-old man had a Class lll malocclusion with severe facial asymmetry, unilateral cross-bite, missing of multiple teeth and mesial tilting of multiple second molars.

• 摘要本病例报告为一26岁骨性三类异常咬合之成年患者，同时伴随有颜面歪斜、单侧错咬、多颗牙齿缺失及多颗臼齿近心倾倒。