Abrasion wear resistance of different artificial teeth opposed to metal and composite antagonists.

Journal of Applied Oral Science : Revista FOB
Pâmela Carbone MelloRicardo Faria Ribeiro

Abstract

One of the most important properties of artificial teeth is the abrasion wear resistance, which is determinant in the maintenance of the rehabilitation's occlusal pattern. This in vitro study aims to evaluate the abrasion wear resistance of 7 brands of artificial teeth opposed to two types of antagonists. Seven groups were prepared with 12 specimens each (BIOLUX & BL, TRILUX & TR, BLUE DENT & BD, BIOCLER & BC, POSTARIS & PO, ORTHOSIT & OR, GNATHOSTAR & GN), opposed to metallic (M & nickel-chromium alloy), and to composite antagonists (C & Solidex indirect composite). A mechanical loading device was used (240 cycles/min, 4 Hz speed, 10 mm antagonist course). Initial and final contours of each specimen were registered with aid of a profile projector (20x magnification). The linear difference between the two profiles was measured and the registered values were subjected to ANOVA and Tukey's test. Regarding the antagonists, only OR (M = 10.45 +/- 1.42 microm and C = 2.77 +/- 0.69 microm) and BC (M = 6.70 +/- 1.37 microm and C = 4.48 +/- 0.80 microm) presented statistically significant differences (p < 0.05). Best results were obtained with PO (C = 2.33 +/- 0.91 microm and M = 1.78 +/- 0.42 microm), followed by BL (C = 3.70 +/- 1.32...Continue Reading

References

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Citations

Apr 9, 2013·Journal of Materials Science. Materials in Medicine·Lufeng YuZana Mariano
Dec 20, 2015·Journal of Prosthodontics : Official Journal of the American College of Prosthodontists·Adriana D BackerMarco C Bottino
Feb 27, 2016·Journal of Prosthodontics : Official Journal of the American College of Prosthodontists·Vivian Barnabé PolicastroAna Carolina Pero
Jan 2, 2021·Journal of Advanced Research·Hatim AlqurashiMuhammad Sohail Zafar

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