我们曾遇到一例先天性恒牙缺失,乳牙滞留,牙冠部重度磨耗,垂直距离过低的患者,其下颌应用磁性附着体固位的复盖义齿修复,上颌采用全牙列粘接桥修复,收到了满意效果,报告如下: 患者孙×,男,27岁。因咀嚼困难,双下颌关节酸痛而于1986年5月就诊。口腔检查:面部下1/3明显 We have encountered a case of congenital loss of permanent teeth, deciduous teeth, severe dental crown wear, the vertical distance is too low, the mandibular application of magnetic attachment retention overdenture repair, the maxillary denture bridge repair , Received a satisfactory result, the report is as follows: Patient Sun ×, male, 27 years old. Due to chewing difficulties, double jaw pain and in May 1986 treatment. Oral examination: 1/3 obvious under the face