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在临床工作中,常可见到上颌总义齿修复后义齿塑料基托发生折裂,特别好发于上颌为总义齿,下颌为天然牙列的病例。我国很多学者已对义齿基托进行应力分析,找出高应力区,在这些关键部位放入加强物,增加整个基托的强度。有的学者对上颌总义齿基托折裂的原因进行了分析和适当的处理,从各方面进行探索研讨,已求取得更为满意的效果。我科从1986年以来对20例男女老年患者采用上颌整铸基托修复,取得满意效果。
In clinical work, often seen in the maxillary denture plastic denture prosthesis fracture, especially in the maxillary total denture, mandibular cases of natural dentition. Many Chinese scholars have carried out stress analysis of the denture base to find out the high-stress area, put reinforcement in these key parts and increase the strength of the entire base. Some scholars have analyzed and properly treated the causes of the fractures of the maxillary denture base, and have made more exploration and discussion from all aspects, and have sought more satisfactory results. Our department from 1986 to 20 cases of elderly men and women using the maxillary orthopedic repair, and achieved satisfactory results.