Minimal invasive microscopic tooth preparation based on endodontic, periodontal and functional health

doi:10.7518/hxkq.2019.03.001

Abstract

Abstract:

Tooth preparation is the primary and core operation technique for dental esthetic restoration treatment, due to its effect of providing restoration space, bonding interfaces and marginal lines for dental rehabilitation after tooth tissue reduction. The concept of microscopic minimal invasive dentistry put forward the issue of conducting high-quality tooth preparation, conserve tooth-structure, protect vital pulp and periodontal tissue simultaneously. This study reviewed the concepts, physiology background, design and minimal invasive microscopic tooth preparation, and in the meantime, individualized strategies and the two core elements of tooth preparation (quantity and shape) are listed.

Key words: tooth preparation, microscopic tooth preparation, minimal invasive dentistry, target restoration space, ceramic esthetic restorations

CLC Number:

R783.3

Haiyang Yu,Yuwei Zhao,Junying Li,Tian Luo,Jing Gao,Hongchen Liu,Weicai Liu,Feng Liu,Ke Zhao,Liu Fei,Chufan Ma,Setz JuergenManfred,Shanshan Liang,Lin Fan,Shanshan Gao,Zhuoli Zhu,Jiefei Shen,Jian Wang,Zhimin Zhu,Xuedong Zhou. Minimal invasive microscopic tooth preparation based on endodontic, periodontal and functional health[J]. West China Journal of Stomatology, 2019, 37(3): 229-235.

Figures/Tables 6

Fig. 1

Tab 1

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Tab 2

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Fig. 4

References 38

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项目	头戴式放大镜	显微镜
价格	较低	较高
放大倍率	较低且无法调整	范围较大且可调整
人体工程学	部分改善	最优
光源照明系统	非同轴	同轴无影光源
数字影像系统	无或防抖困难	可加装多种影像系统

参考对象	牙体预备技术	效率	精度
原有牙齿表面	自由手^[22,23]	低	差
	定深沟^[21]	低	差
	球钻^[22]	高	稍好
	硅橡胶导板^[21,24]	低	较好
	定深孔^[21,24]	高	较好
TRS	硅橡胶导板定深沟^[25]	低	高
	Mock-up 球钻^[26]	高	高
	Mock-up 备牙导板定深孔^[19]	高	高