Effect of silane and MDP-based primers on physico-chemical properties of zirconia and its bond strength to resin cement

Dental Materials : Official Publication of the Academy of Dental Materials
Renally Bezerra Wanderley LimaM F De Goes

Abstract

To evaluate the effect of surface treatments on yttria-tetragonal zirconia polycrystal (Y-TZP) characteristics and on resin-mediated zirconia bond. Y-TZP slabs were grit blasted with 45μm alumina or with 30μm silica-coated alumina particles. The chemical treatments were: no-chemical treatment (NC), silane-containing primer (SP), MDP (10-Methacryloyloxydecyl dihydrogen phosphate) and silane-containing primer (MPS), MDP-containing primer (MP) and MDP and silane-containing adhesive (MPA). Contact angle as a function of surface roughness (θm) and surface roughness parameter (Sdr) were measured using Fringe Projection Phase Shifting (FPPS). Surface free energy (γsTOT) was calculated with a goniometer. Chemical interaction between primers/adhesive and zirconia was analyzed using time-of-flight secondary ion mass spectrometry (ToF-SIMS). Resin cement microshear bond strength (μSBS) was analyzed at either 24-h or 8-months water storage (37°C). θm values, Sdr values, γsTOT and μSBS values were analyzed using Analysis of variance (ANOVA) and post hoc Tukey test (α=0.05). Chemical treatment had an effect (p<0.001) on all surface parameters analyzed: θm, γsTOT and Sdr. MP-treated group showed higher incidence of P-O-Zr bonds than the other...Continue Reading

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Citations

Jul 7, 2020·Journal of Esthetic and Restorative Dentistry : Official Publication of the American Academy of Esthetic Dentistry ... [et Al.]·Renata Vasconcelos MonteiroGrace Mendonça De Souza
Sep 9, 2020·Journal of Prosthodontics : Official Journal of the American College of Prosthodontists·Keiichi Yoshida
Nov 5, 2020·Journal of Applied Biomaterials & Functional Materials·Rui LiYing Chun Sun
Jan 20, 2021·Dental Materials : Official Publication of the Academy of Dental Materials·Majed Al-AkhaliMatthias Kern
Mar 16, 2021·Journal of Zhejiang University. Science. B·Zhiwei SuBaiping Fu
Apr 27, 2021·Journal of Prosthodontic Research·Chang-Yuan ZhangHui Cheng
Apr 29, 2021·Journal of Prosthodontics : Official Journal of the American College of Prosthodontists·Leila Nasiry KhanlarJunji Tagami
Jun 3, 2021·Materials·Katarzyna KaczmarekMonika Lukomska-Szymanska
Sep 3, 2021·Journal of Prosthodontic Research·Keiko NakamuraHirofumi Kido

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