The restoration of endondontically treated teeth is an important issue because the loss of nerve, blood vessal and lymph of the canal following the treatment.

• 在根管治疗之后的牙齿，由于已失去了牙髓腔中神经、血管、淋巴等营养供应，因此根管治疗后牙齿的复形为一重要课题。