نتایج جستجو برای: ferrule
تعداد نتایج: 154 فیلتر نتایج به سال:
A finite element study of teeth restored with post and core: Effect of design, material, and ferrule
We demonstrated a multilayer molybdenum disulfide (MoS₂) nanomechanical resonator by using optical Fabry-Perot (F-P) interferometric excitation and detection. The thin circular MoS₂ nanomembrane with an approximate 8-nm thickness was transferred onto the endface of a ferrule with an inner diameter of 125 μm, which created a low finesse F-P interferometer with a cavity length of 39.92 μm. The ef...
The tetragonal to monoclinic (t ! m) phase transformation during low temperature ( 100 8C) degradation (LTD) of yttria-stabilized tetragonal zirconia polycrystals (Y-TZP) sintered in air at different temperatures was investigated. It is found that the sintering temperature affected the density, crystalline phase and microstructure of the sintered body, as well as the LTD behavior. Also, the ons...
Clinicians often face dilemmas regarding the most appropriate way to restore a tooth following root canal treatment. Whilst there is established consensus on importance of ferrule effect predictable restoration filled teeth, other factors, such as residual volume, location, number proximal contacts, timing definitive and presence cracks, have been reported influence survival. The continued evol...
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