长期以来,金瓷冠唇面颈缘的修复效果一直为许多学者所关注。先后出现的各种颈缘设计及成形技术,都是为了获得满意的颈缘外观及密合度。本文概述了影响金瓷冠唇面颈缘修复效果的各种因素,介绍了颈缘设计的有关方面,并复习了一些学者为提高修复效果发明的各种颈缘制作技术及其优缺点。 For a long time, the restoration effect of the porcelain face lip and cervical margin has been the concern of many scholars. There have been a variety of neck design and forming techniques, are to obtain a satisfactory appearance and the appearance of the neck edge. This article summarizes the various factors that affect the effect of cervical porcelain face lip and neck restoration, describes the relevant aspects of the cervical margin design, and reviews some of the techniques and advantages and disadvantages of various cervical margin techniques invented by scholars to improve the healing effect.