residual root

The application of crown lengthening in the restoration of residual root in old patients

牙冠延长术在老年患者残根修复中的应用

The Importance of the Various Solutions to One Question-Supported by the Methods of the Addition Theorem of the Cosine Law; Residual dentin thickness in upper anterior teeth after root canal preparation

用余弦的加法定理不同的证明来说明一题多解的重要性上颌前牙三种不同方法根管预备后剩余根管壁厚度的研究

METHODS: Screw thread root canal spiles and resin tooth products were used to rehabilitate tooth root all in once to cases of residual crown, residual root, or traumatic odontoclasis based on complete root treatment.

方法：残冠、残根、外伤牙折在完善的根管治疗的基础上，采用螺纹根管钉与成品树脂牙一次性桩冠修复。

CONCLUSION: With the alveolar bone resorption, the post materials make great impacts on the peak value of maximum crushing stress in the residual teeth root, especially the mechanic capability of post materials.

结论：伴牙槽骨吸收时，牙桩的材料成为影响剩余牙根内部最大主应力峰值的决定性因素，桩材料的力学性能对剩余牙体的影响更为显著。

Reducing source through cutting leaf and cutting root can decrease the residual ratio in stem-sheath and the chlorophyll content of leaf, on the contrary reducing sink through cutting spike can increase the residual ratio in stem-sheath and the chlorophyll content of leaf.

剪叶、断根减源还使茎叶鞘贮存物质残留率和穗位叶中叶绿素含量降低，剪穗减库使茎叶鞘贮存物质残留率和穗位叶中叶绿素含量增加。

Clinical Analysis on Root Canal Screw and Self-shearing Pin to Repair Premolar's Residual Crown and Its Residual Root

根管螺纹钉附加自攻自断钉修复前磨牙残冠残根临床分析

Improvement of blasting performance through reducing residual root and clump ratio

减少根底和大块率提高爆破质量