Journal
TRIBOLOGY INTERNATIONAL
Volume 116, Issue -, Pages 192-198Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.triboint.2017.07.016
Keywords
Ceramic; Wear; Friction; Roughness
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Funding
- FCT (Fundacao para a Ciencia e Tecnologia -Portugal) [UID/EEA/04436/2013, NORTE-01-0145-FEDER-000018-HAMaBICo]
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The aim of this paper was to study the influence of different surface treatments procedures on tribological behavior of Yttria-tetragonal zirconia polycristals (Y-TZP) against human enamel. The Y-TZP plates were divided into four areas and each area was subjected to a surface treatment according to the groups: GC - no surface treatment, GM unidirectional milling with high speed tapered bur, GPK polishing kit Kenda and GPD polishing kit Diacera. The results demonstrated that the surface treatments play a relevant role on wear behavior of zirconia. In all cases the tooth suffered a greater wear than the Y-TZP plates. In the case of the polished groups it was obtained an improvement on the wear resistance of the tribopair.
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