做过根管填充的牙更容易引起折裂。因为是前牙,我将会制作一个烤瓷冠。与缺失牙咬合相对的上牙会往下长,因为下面没东西能使它保持在原位。The upper tooth that was biting against the missing teeth will drop down , because there ’ s nothing below to hold it in place .固定桥是在石膏模型上,由牙科技工室制作完成。ブ リ ッ ジ は技工室で石膏模型の上で作製さ れ ま す。I have to ......