桩冠是利用冠钉(桩)插入根管内以获得固位的一种修复体,固位良好、外形和牙色均接近天然牙,是临床上常采用的一种修复方法。 一般桩冠的传统制作方法是:患牙经完善的根管治疗后,先进行残冠处理、根面制备和根管制备,然后选取合适的成品冠钉,用成品塑料牙面和蜡在口内完成桩冠的蜡型,在技术室完成装盒、填胶、热处理等工艺。待病人再次就诊时,试合、抛光、最后粘固 Post crown is the use of crown nail (pile) inserted into the root canal to obtain a retention of a restoration, good retention, contour and tooth color are close to natural teeth, is a clinically used a repair method. The traditional method of making a crown is: after the root canal treatment of the affected tooth is completed, the residual crown treatment, the preparation of the root surface and the preparation of the root canal are performed first, and then the finished crown nail is selected, and the finished plastic tooth surface and wax are used in the mouth Finish the crown of the wax, complete the boxing, plastic filling, heat treatment and other technology in the technical room. When the patient visits again, test together, polishing, and finally cementing