Evaluation of interface characterization and adhesion of glass ceramics to commercially pure titanium and gold alloy after thermal- and mechanical-loading

Dental Materials : Official Publication of the Academy of Dental Materials
Vanessa Zulema Ccahuana VásquezEstevão Tomomitsu Kimpara

Abstract

This study evaluated the effect of thermal- and mechanical-cycling on the shear bond strength of three low-fusing glassy matrix dental ceramics to commercial pure titanium (cpTi) when compared to conventional feldspathic ceramic fused to gold alloy. Metallic frameworks (diameter: 5 mm, thickness: 4 mm) (N=96, n=12 per group) were cast in cpTi and gold alloy, airborne particle abraded with 150 microm aluminum oxide. Low-fusing glassy matrix ceramics and a conventional feldspathic ceramic were fired onto the alloys (thickness: 4 mm). Four experimental groups were formed; Gr1 (control group): Vita Omega 900-Au-Pd alloy; Gr2: Triceram-cpTi; Gr3: Super Porcelain Ti-22-cpTi and G4: Vita Titankeramik-cpTi. While half of the specimens from each ceramic-metal combination were randomly tested without aging (water storage at 37 degrees C for 24 h only), the other half were first thermocycled (6000 cycles, between 5 and 55 degrees C, dwell time: 13 s) and then mechanically loaded (20,000 cycles under 50 N load, immersion in distilled water at 37 degrees C). The ceramic-alloy interfaces were loaded under shear in a universal test machine (crosshead speed: 0.5 mm/min) until failure occurred. Failure types were noted and the interfaces of the...Continue Reading

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Citations

Feb 9, 2012·Operative Dentistry·Isabella Gagliardi HanedaCarlos Alberto dos Santos Cruz
May 21, 2011·Dental Materials Journal·Ufuk IseriEnder Kazazoglu
May 14, 2014·The Journal of Prosthetic Dentistry·Rui YangXiuyin Zhang
Sep 1, 2015·Journal of the Mechanical Behavior of Biomedical Materials·Yuka KajimaNoriyuki Wakabayashi
Mar 16, 2013·Journal of the Mechanical Behavior of Biomedical Materials·Fatih ToptanEdith Ariza
Oct 4, 2012·Journal of the Mechanical Behavior of Biomedical Materials·Victor P FeitosaMário Alexandre C Sinhoreti
Apr 9, 2016·Journal of the Mechanical Behavior of Biomedical Materials·R L P SantosB Henriques
Oct 6, 2015·Journal of Prosthodontics : Official Journal of the American College of Prosthodontists·Mutlu ÖzcanGilberto Duarte Filho
Oct 16, 2014·Journal of Prosthodontics : Official Journal of the American College of Prosthodontists·Joseph G CurtisErica C Teixeira
Dec 15, 2012·Journal of Dentistry·Hugo Alberto VidottiAccácio Lins do Valle
Sep 9, 2017·Dental Materials Journal·Evaggelia PapiaPer Vult VON Steyern
Mar 8, 2016·The Journal of Advanced Prosthodontics·Yoshito MinesakiHiroyuki Minami
Dec 21, 2019·Journal of Dental Research, Dental Clinics, Dental Prospects·Tahereh GhaffariMehrnaz Motiei
Jan 31, 2020·Biomaterial Investigations in Dentistry·Lourenço Correr-SobrinhoCarmem S Pfeifer
Jun 20, 2020·Brazilian Dental Journal·George Hebert RuschelÉrica Alves Gomes

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