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Open AccessArticle

Two-Body and Three-Body Wear Behavior of a Dental Fluorapatite Glass-Ceramic

School of Mechanical Engineering, University of Jinan, Jinan 250022, China
School of Stomatology, Shandong University, Jinan 250012, China
School of Mechanical and Automotive Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, China
Authors to whom correspondence should be addressed.
Coatings 2019, 9(9), 580;
Received: 18 August 2019 / Revised: 8 September 2019 / Accepted: 9 September 2019 / Published: 13 September 2019
As a veneering porcelain coating of dental prosthesis, two-body and three-body wear behavior of dental glass-ceramic with the main crystalline phase of fluorapatite has not been comprehensively studied. In this work, a self-made fluorapatite glass-ceramic was synthesized and the mechanical and tribological performances of the glass-ceramic were tested, comparing with a commercial feldspathic glass-ceramic. The friction and wear experiments were performed between disk-shaped glass-ceramics and natural teeth in two-body (dry, water, saliva) and three-body (slurry) modes, respectively. Results showed that good mechanical properties of fluorapatite glass-ceramic can be achieved by the sintering process. In both two-body and three-body modes, the fluorapatite glass-ceramic had a smaller friction coefficient and wear rate and caused less damage on antagonistic teeth than the feldspathic glass-ceramic. The greater mechanical properties give fluorapatite glass-ceramic a better wear resistance and reduce the adhesive wear. View Full-Text
Keywords: glass-ceramic; veneering porcelain coating; friction and wear; three-body glass-ceramic; veneering porcelain coating; friction and wear; three-body
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MDPI and ACS Style

Wang, G.; Li, Y.; Wang, S.; Yang, X.; Sun, Y. Two-Body and Three-Body Wear Behavior of a Dental Fluorapatite Glass-Ceramic. Coatings 2019, 9, 580.

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