Load-fatigue performance of gold crowns luted with resin cements

The Journal of Prosthetic Dentistry
Joanne Ngo UyKeson Beng-Choon Tan

Abstract

Resin cements have gained popularity over the past few years because of their improved physical properties. There is a need to test these cements under fatigue loading, as there is growing recognition that fatigue testing is more clinically relevant than traditional monotonic static tests. This study investigated the load-fatigue performance of complete gold crowns cemented with 4 types of resin cement. Four resin cements (C & B Opaque [CBO], Calibra Esthetic [CE], RelyX Unicem [RU], and Panavia F [PF]) and a control, zinc phosphate cement (HY-Bond [HBZPC]) were tested. Fifty human maxillary premolars were prepared to an occluso-cervical dimension of 4 mm and a convergence angle of 20 degrees. Complete gold crowns were cast (Strator 3) and cemented with 1 of the 5 cements (n=10). A fatigue load of 73.5 N was applied at an angle of 135 degrees to the long axis of each tooth-crown specimen. Preliminary failure was defined as the propagation of a crack in or around the crown luting cement layer. The number of cycles to preliminary failure and the cement failure location were determined. Significant differences in cycles to preliminary failure were assessed by the nonparametric Kruskal-Wallis test, with follow-up Mann-Whitney tests...Continue Reading

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Oct 1, 1956·Journal of Dental Research·D J ANDERSON

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Citations

Oct 26, 2010·The Journal of Prosthetic Dentistry·Joanne N UySwee Heng Chan
Sep 30, 2010·The Journal of Prosthetic Dentistry·Mirza Rustum BaigJack I Nicholls
Feb 9, 2008·Dental Materials : Official Publication of the Academy of Dental Materials·Raphael PiloTamar Brosh
Dec 7, 2007·The Journal of Prosthetic Dentistry·Nathaniel C LawsonDonald Mercante
Jun 26, 2007·Dental Clinics of North America·Edward E Hill
Dec 8, 2010·Journal of Oral Rehabilitation·J L FerracaneF J T Burke
Jun 29, 2011·Journal of Applied Oral Science : Revista FOB·Cafer TürkmenMustafa Öksüz
Jun 12, 2013·The Journal of Advanced Prosthodontics·En-Sook KangYong-Hoon Kwon
Jan 7, 2014·Dental Update·Sumit Makkar, Neeraj Malhotra
Aug 21, 2014·Brazilian Dental Journal·Iara A OrsiEduardo Borie

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