The tooth also had all the components of normal teeth, including enamel, crown and root, and connective fibers to fix it to bone.
培育的牙齿还具备正常牙齿的所有组成成分，包括釉质、齿冠和牙根，以及使其固定于骨头的结缔组织纤维。
2
Methods analysis the clinic effect of procelain post core on36patients with residual root or residual crown.
方法分析36例全瓷桩核修复前牙残冠、残根的临床效果。
3
Objective: to explore the prosthetic design and procedure of residual crown with complete root canal imperforation so as to solve the clinical problem of such cases.