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本文应用三种不同修复体对６例部分上颌骨切除术后的上颌缺损进行修复。修复后作健侧和修复侧（三种修复体）的咀嚼效率测定，并作１～４年临床跟踪观察，结果表明，软村接触式阻塞器明显优于非接触式或硬性接触式阻塞器。软衬接触式阻塞器能明显提高病人的咀嚼效率，减轻健侧牙负担，减缓硬腭吸收，防止颞下颌关节（ＴｍＪ）损伤和面部畸形的产生。
In this paper, six cases of partial maxillary resection of the maxillary defect were repaired with three different prostheses. After repair, the masticatory efficiency of the contralateral side and the repair side (three prostheses) were measured and followed up for 1 to 4 years. The results showed that the soft contact type occluder was superior to the non-contact or rigid contact type occluder . Soft lining contact occluder can significantly improve the patient's masticatory efficiency, reduce the burden on the healthy side of the tooth, slow down the absorption of the palate, to prevent the temporomandibular joint (TmJ) damage and facial deformity.