1·OD to 15 mm below tooth root, ie tooth zone.
从外径最外侧到齿根下15毫米，即齿区。
2·After withdrawal of traction force, tooth root and periodontal tissue were gradually repaired.
停止加力后，牙根及牙周组织逐渐修复。
3·CONCLUSION The clindamycin loaded coral paste is an ideal front tooth root canal filling material.
结论珊瑚克林霉素糊剂是一种较理想的前牙根管充填材料。
4·However, the research on the bending strength of large module gear tooth root is scarce until now.
但是，目前对大模数齿轮弯曲强度的研究还比较少，因此研究大模数齿轮轮齿弯曲强度具有重要意义。
5·Methods: Tooth root Injected solidified calcium phosphate cataplasm tube, then pressed with gutta peneha points.
方法自固化磷酸钙充填糊剂根管内注入后加牙胶尖挤压。
6·And it analyzed that hob tooth height and tooth top pour round radius impacted on gear tooth root crooked stress.
分析了滚刀齿高和齿顶倒圆半径对所切齿轮齿根弯曲应力的影响。
7·Objective: to evaluate the capability of the apical tissue of rat molar to grow tooth root and periodontal tissue.
目的：探讨大鼠磨牙牙根根端组织发育牙根和牙周组织的能力。
8·This paper discussed the relationship between the involute pitch of tooth root and tooth profile involute in hobbing.
本文阐述了滚刀滚齿时齿轮齿根过渡曲线的延长渐开线的等距线与齿轮齿形渐开线的关系。
9·The study shows that the stress in tooth middle is larger than that in tooth root with big spiral Angle and light load.
研究表明，大螺旋角或小载荷时，齿腰应力大于齿根应力。
10·Conclusion: The defect treatmen of glass fiber post in a single premolar tooth root canal can achieve satisfactory results.
近年来，作者采用玻璃纤维桩进行前磨牙牙体缺损的修复，取得了良好的临床效果。
1·CONCLUSION The clindamycin loaded coral paste is an ideal front tooth root canal filling material.
结论珊瑚克林霉素糊剂是一种较理想的前牙根管充填材料。
2·Conclusion: There is no effect on the whole compressive strength and resistance to cyclic fatigue of tooth root after prepared within 0.08 taper.
结论：根管预备后锥度在0.08以内对牙根的整体抗压性能和抗疲劳性能无明显影响。
3·Human tooth development is a reciprocal and consecutive process, which includes bud, cap, bell stages, tooth root development and tooth eruption.
人类牙齿的发育，经历蕾状期、帽状期、钟状期、牙根发育和牙齿萌出期。
4·Tooth coronal and tooth root boundary show one arc curve, call tooth neck, renown neck predestined relationship or neck line.
牙冠与牙根交界处呈一弧形曲线，称为牙颈，又名颈缘或颈线。
5·After withdrawal of traction force, tooth root and periodontal tissue were gradually repaired.
停止加力后，牙根及牙周组织逐渐修复。