唇腭裂患者在外科手术后经常存在上颌骨发育不足的问题，在儿童早期用前牵引装置可以使其建立正常的覆哈覆盖，取得良好的关系，从而有利于上颌骨正常的生长发育。本研究分析了10例患有单侧完全性唇腭裂的华裔男性儿童经前牵引矫形治疗后骨路及牙齿的变化。平均治疗时间为78个 Patients with cleft lip and palate often have problems of maxillary hypoplasia after surgery. In early childhood, a pre-traction device may be used to establish normal coverage of hamas and achieve a good relationship, which is conducive to the normal growth and development of the maxilla. This study analyzed the changes of bone pathways and teeth in 10 Chinese male children with unilateral cleft lip and palate who underwent preoperative traction and orthopedic treatment. The average treatment time is 78