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Open AccessArticle

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

1
School of Mechanical Engineering, University of Jinan, Jinan 250022, China
2
School of Stomatology, Shandong University, Jinan 250012, China
3
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; https://doi.org/10.3390/coatings9090580
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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