随着社会的进步,生活水平不断提高,人们对牙齿的美观要求也日益提高。对于牙列缺损的修复,患者的要求不仅是咀嚼功能的恢复,对美观也提出越来越高的要求。尤其是牙列缺损伴剩余牙列不齐、缺牙间隙变小、倾斜、深覆等。按常规方法修复,很难达到美观、功能稳定的效果。因此在修 With the progress of society, living standards continue to increase, people’s aesthetic requirements of the teeth are also increasing. For the restoration of dentition defects, the patient’s request is not only the recovery of chewing function, but also put forward higher and higher requirements on beauty. In particular, the dentition defect with the remaining dentition missing, missing teeth gap smaller, inclined, deep overcast  and so on. According to the conventional method of repair, it is difficult to achieve beautiful, functional and stable effect. So in repair