Fig. 2 Anterior-posterior border deossification behind L5 of lumbar with PLMN, arcuated bone block was bilateral faulting and palinal, the right crypt and spinal canal were stenotic.
Objective To investigate root canal curvature in maxillary anterior teeth.
目的了解上颌前牙根管弯曲情况。
3
Objective: To evaluate the clinical of using prefabricated cylindrical root canal pin to lengthen the clinical crown and restoring anterior tooth and premolar defect with PFM.