但比较容易碎,所以就装crown保护,还有个作用就是美观。你说你未来的女婿的 crown有裂缝,那他已经做过root canal,因为装 crown 要把牙齿磨小才可以。
但比较容易碎,所以就装crown保护,还有个作用就是美观。你说你未来的女婿的 crown有裂缝,那他已经做过root canal,因为装 crown 要把牙齿磨小才可以。
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