不同全口义齿在重度牙槽嵴吸收的无牙颌患者中的应用效果对比

Application effect of different complete denture on edentulous-jaw patients with severe alveolar ridge resorption

目的比较不同全口义齿在重度牙槽嵴吸收的无牙颌患者中的应用效果,为该类患者的临床治疗提供参考。方法选取2009年1月—2012年6月期间于该院收治的80例重度牙槽嵴吸收的无牙颌患者,采用自身对照研究方法,为患者制作长正中咬合型全口义齿和解剖式咬合型全口义齿,按照随机分配原则,决定不同义齿戴用顺序。戴用3个月后,使用牙列置换技术,戴用另一种咬合型全口义齿,并测量患者戴用后的满意度与咀嚼效率。结果戴用2、4、6、8、10、12 w后,两种咬合型全口义齿咀嚼效率对比,差异不具有统计学意义;解剖式咬合型全口义齿的满意度显著低于长正中咬合型全口义齿,差异具有统计学意义。结论长正中咬合型全口义齿在重度牙槽嵴吸收的无牙颌患者的治疗中的应用效果显著,值得临床推广。

Objective To compare and analyse the application effect of different complete denture on edentulous-jaw patients with severe alveolar ridge resorption, and to provide a reference of clinical treatment for the patients. Methods Eighty cases of edentulous-jaw patients who had severe alveolar ridge resorption treated in The General Hospital of Sichuan Panzhihua Steel Group from January 2009 to June 2012 were selected, and the anatomic ocelusal pattern and long-centric occlusal pattern of complete denture were made for the patients by self-control method. The order of delivery of different denture was determined according to randomized principle. After 3 months, the patients wore another kind of occlusal denture by tooth replacement technology, and wearing satisfaction and masticatory efficiency were measured. Results After the dentures were worn 2,4,6,8,10 and 12 weeks, the differences in masticatory efficiency between the two occlusal dentures were not statistically significant（ P 〉 0.05 ）. The patients＇ satisfaction with long-eentric occlusal pattern of complete dentures was significantly better than that with anatomic occlusal denture wearer. The difference was statistically significant （P 〈 0.05）. Conclusions Complete denture with long-centric occlusion can be used to improve the clinical effect of edentulous patients with severe absorption of residual alveolar ridge ,which has high clinical value.