当牙齿部分或全部缺失予以修复时,修复体或义齿的设计除应恢复功能外,还应具备坚固等条件。为了预防或减少修复体出现折断现象,在设计时,除满足舒适、美观及保持有关组织健康等要求外,对于坚固亦应予以重视。为此学者们曾从多方面进行了研究,如材料的性能,患者的咀嚼类型,饮食习惯,咀嚼力的 When partial or complete loss of teeth is to be repaired, the design of the prosthesis or denture should be robust in addition to its function. In order to prevent or reduce the appearance of broken prosthesis, in design, in addition to meet the requirements of comfort, beauty and maintain the health of the organization, the firm should also be taken seriously. For this reason scholars have carried out a number of studies, such as material performance, the type of chewing patients, eating habits, chewing power