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Improving the mechanical properties of commercial feldspathic dental porcelain by addition of Alumina-Zirconia

被引：3
|
作者：
Gomez Tamayo, Juliana [1 ]
Rueda Arango, Astrid Oasis [1 ]
Ossa Henao, Edgar Alexander [1 ]
机构：
[1] Univ Eafit, Grp Invest Mat Ingn, Carrera 49 7 Sur 50,Ave Las Vegas, Medellin 3300, Colombia
来源：
REVISTA FACULTAD DE INGENIERIA-UNIVERSIDAD DE ANTIOQUIA | 2020年 / 94期
关键词：
Dental ceramics; reinforcing agent; fracture; Hertzian contact; CONTACT FATIGUE; DAMAGE; COMPOSITE; CERAMICS; COLOR;
D O I：
10.17533/udea.redin.n91a11
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Dental ceramics made from Yttria stabilized tetragonal Zirconia polycrystalline (Y-TZP) with feldspathic porcelain veneers have similar mechanical and aesthetic response to natural tooth. However, cases of early failure, such as chipping or fracture in the veneering have been reported after short periods of use. The present study evaluated the feldspathic porcelain (VITA-VM9) with addition of 0.5 and 2.5 wt% Alumina-Zirconia as reinforcing agents. Hardness, fracture toughness, contact resistance and color variations were evaluated finding better mechanical performance on the new formulations.
引用
收藏
页码：67 / 76
页数：10
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