5、tion. If poor preparation leads to inadequate marginal fit or deficient crown contour, plaque control around fixed restorations becomes more difficult. This impedes the long-term maintenance of dental health.,Prevention of Damage during Tooth Preparation,Adjacent teeth,Damage in Adjacent teeth is ea...
PURPOSE:To prepare a crown material of a tooth having improved wear resistance, water resistance, compression strength, and transparency, by selecting a crosslinkable high polymer and a monomer in such a way that the difference between the refractive index of the crosslinkable high polymer and that...
Due to the nature of production of zirconia all ceramic crown, convergence angle of abutment and line angle finishing degree can have an effect on internal suitability of restoration. 展开 关键词: Zirconia Tooth preparation Convergence angle Rounding radius ...
The tooth to be fitted with a crown has to be reduced to a cylindrical or conical stump with a step around the lower edge. The new design of a tool (1) has a shaft (1) for being clamped to the operating handle and the front part (2) covered with an abrasive material (5). The...
The tooth preparation device for grinding down the tooth to provide a tooth stump uses a preparation model (71) fitted with at least one model tooth (23), a positioning body, a parallelisation body, a mould plate (12) with threaded sockets (17) and removable segments (20), a ...
For this purpose, various computer-assisted dental simulators capable of simulating realistic practice scenarios based on virtual reality technology have been developed in recent years. Although these devices can simulate numerous dental procedures, such as caries excavation, crown preparation or the ...
bone chisel 骨凿 is used to trim the sharp edge of the bone, sometimes to split the crown of tooth. gingival separator is used to separate the gum attachment to tooth neck. bone file 骨锉 is used to smooth the bone surface, to provide the better bone contour for denture to fit. ...
We found that dentists tended to prefer ceramics for fabricating SC, irrespective of the location of the abutment tooth and preparation margin. PFM was the second-most preferred crown material, followed by resin-based CAD/CAM resin composites, and metal crown were favored by only a few dentists...
Effectoftoothpreparationandbondingagentsoncementationmetal 系统标签: cementationcrown聚合组bondingtoothmetal 牙备和黏接剂对金属全冠黏固效果的影响陈 晴 陈轶雄 【摘要】 目的 了解牙体预备及不同黏接剂对金属全冠黏固效果的影响,为全冠修复的临床操作提供研究依据。方法 将60颗离体磨牙采用简单随机化法随机分为六...
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