上颌总义齿力与基托应力相关性的比较研究  

Correlation between occlusion force and base stress with maxillary complete denture

作　　者：程为[1] 张振庭[2] 

机构地区：[1]首都医科大学口腔医学院修复科,北京100050 [2]首都医科大学口腔医学院特诊特需科,北京100050

出　　处：《北京口腔医学》2013年第4期221-222,共2页Beijing Journal of Stomatology

摘　　要：目的探讨无牙颌患者上颌总义齿力与基托应力的相关性,为预防上颌总义齿基托折断提供理论参考。方法选取10例戴用6～12个月使用良好且配合良好的总义齿患者,使用应变仪及力仪同步测定上颌总义齿基托的应力及第一磨牙的力。结果上颌总义齿腭侧基托的应变值与力之间具有相关性或高度相关性。基托前部和后部的应变值大于基托中部的应变值。结论 力是影响上颌总义齿基托折断的重要因素之一。提示在进行上颌总义齿设计时要考虑减轻力,并加强基托前部的强度。Objective To examine the correlation between occlusion force and base strain with maxillary complete denture. Methods Ten patients who bad weared the complete denture for six months or one year were included in this study. The stress value of maxillary complete denture and occlusal force value of the first and second molar were meaured. Results The stress value of the palatal side of the base was related to the oeclusal force. The strain of the front and back parts of the base was greater than that of the midline of the base. Conclusion The occlusal force is one of the important factors that cause fracture of the base.

关 键 词：全口义齿 基托 应变 (牙合)力 

分 类 号：R783.6[医药卫生—口腔医学]