On the construction of wear maps for Y-TZP dental ceramics in aqueous environments: pH, exposure time and impact angle effects

M. M. Stack, Ting-Fu Hong, Hsin-Chun Wang, Moo-Chin Wang, Wang-Long Li

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

The purpose of this study was to test in-vitro the micro and nano tribological properties of Y-TZP (Yttria Tetragonal Zirconia Polycrystalline) material used in the construction of artificial teeth or dental crowns. The results showed that the effect of pH was to accelerate the wear rate of the Y-TZP material. However, this phenomenon was more apparent in acid than in alkaline environments. Wear maps were constructed based on the results identifying wastage regimes for the material in the erosion-corrosion conditions at a range of impact angles. In addition, a wear map was generated based on the transition from tetragonal to monoclininc phase for the material and the transition to high wear at various pHs and exposure times.
LanguageEnglish
Pages2258-2267
Number of pages9
JournalTribology International
Volume43
Issue number12
DOIs
Publication statusPublished - Dec 2010

Fingerprint

Artificial Teeth
Tooth Crown
Yttrium oxide
Ceramics
zirconium oxides
Zirconia
Tooth
Wear of materials
ceramics
Polycrystalline materials
Corrosion
Phase Transition
Crowns
Acids
teeth
erosion
Erosion
corrosion
acids
zirconium oxide

Keywords

  • wear map
  • dental materials
  • y-tzp
  • solid particle impact
  • aqueous slurry
  • pH
  • impact angle
  • exposure time

Cite this

Stack, M. M. ; Hong, Ting-Fu ; Wang, Hsin-Chun ; Wang, Moo-Chin ; Li, Wang-Long. / On the construction of wear maps for Y-TZP dental ceramics in aqueous environments : pH, exposure time and impact angle effects. In: Tribology International. 2010 ; Vol. 43, No. 12. pp. 2258-2267.
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On the construction of wear maps for Y-TZP dental ceramics in aqueous environments : pH, exposure time and impact angle effects. / Stack, M. M.; Hong, Ting-Fu; Wang, Hsin-Chun; Wang, Moo-Chin; Li, Wang-Long.

In: Tribology International, Vol. 43, No. 12, 12.2010, p. 2258-2267.

Research output: Contribution to journalArticle

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AB - The purpose of this study was to test in-vitro the micro and nano tribological properties of Y-TZP (Yttria Tetragonal Zirconia Polycrystalline) material used in the construction of artificial teeth or dental crowns. The results showed that the effect of pH was to accelerate the wear rate of the Y-TZP material. However, this phenomenon was more apparent in acid than in alkaline environments. Wear maps were constructed based on the results identifying wastage regimes for the material in the erosion-corrosion conditions at a range of impact angles. In addition, a wear map was generated based on the transition from tetragonal to monoclininc phase for the material and the transition to high wear at various pHs and exposure times.

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