一侧上颌骨切除后给患者所造成的严重的功能障碍、面部畸形和心理创伤,是人所共知的。为解除患者的痛苦,既往多采用各种修复体即阻塞器,以封闭腭部的缺损和恢复失牙的方法来达到部分目的。随着医学科学的迅速发展和颌面外科技术的提高,近年来已开始应用外科的方法即时修复一侧上颌骨切除后的缺 It is well-known that severe dysfunction, facial deformity and psychological trauma to the patient after maxillary excision on one side. In order to relieve the suffering of the patients, various prostheses or occluders have been used in the past to achieve the partial objective of closing the palate defect and recovering the lost tooth. With the rapid development of medical science and the improvement of maxillofacial surgery techniques, in recent years, surgical methods have been used to promptly repair one side of maxillary resection