Objective:The method of repairing front teeth s corona and nub is probed into by PF M..Methods:The technology takes effect with the help of founding core post.

• 目的:探讨用金属烤瓷冠修复、美容前牙残冠残根方法。方法:铸造核桩方法修复前牙残冠残根金属烤瓷冠。