先天性缺牙１例报告康进祥①李学义①患者女性，１４岁，自幼萌出乳牙４颗，上下牙分别为第一磨牙，咬合对称。体查：身体发育正常，头颅、四肢及脊柱无畸形，心肺及腹部检查阴性，月经来潮，月经正常。Ｘ线检查：上牙２颗，下牙２颗，分别为第一磨牙（附图），其牙体解剖... 1 case of congenital edentulous Kang Jinxiang ① Li Xueyi ① female patients, 14 years old, four young teeth since his childhood, upper and lower teeth were the first molars, bite symmetry. Physical examination: normal physical development, head, limbs and spine without deformity, cardiopulmonary and abdominal examination negative, menstrual cramps, normal menstruation. X-ray examination: 2 upper teeth, 2 lower teeth, respectively, the first molars (with photos), the dental anatomy ...