氧化锆牙冠 (zirconia Crown)
牙根管治疗后导致牙齿发黑是非常普遍的。利用全陶瓷牙冠可以保护牙齿爆裂，遮盖黑底，恢复美观的笑容！
         治疗方案因人异
Tooth darkening is very common after having root canal treatment. A zirconia crown can mask the dark colour and protect the tooth from fracturing. With customized colour correction you can restore your beautiful smile!
    treatment varies on case basis