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:: Volume 1, Issue 1 (September- 2012) ::
Caspian J Dent Res 2012, 1(1): 14-18 Back to browse issues page
Laboratory evaluation of shear bond strength of porcelain repair methods
Abdolhamid Alhavaz , Vahid Soltankarimi * , Pouya Aslani
,Department of Prosthodontics, Faculty of Dentistry, Babol University of Medical Sciences, Babol-Iran. , soltankarimi2000@yahoo.com
Abstract:   (12449 Views)

Introduction: Porcelain fracture is a relatively common problem in clinical dental practice. Various methods have been proposed for repairing porcelain fractures including direct composite resin repair or construction of a porcelain laminate veneer and its cementation with a resin cement. Evaluation of shear bond strength of porcelain repair methods was the purpose of this study.

Methods: Twenty feldspathic porcelain discs (10 mm in diameter) were fabricated. The samples underwent air-born abrasion with an aluminum oxide and etching with HF, and were then ultrasonically cleaned and randomized into two groups: 1- repair with porcelain disc (7 mm in diameter) with light cure cement (Choice 2) and 2- repair with resin composite (Clearfil AP-X). We measured the shear bond strength of the samples by Zwick Roll at 0.5 mm/min crosshead speed.

 Results: The resin composite group had the highest shear bond strength (12.91 MPa). We found no significant differences between the choice and composite groups (p=0.970).

Conclusions: Our findings indicate that resin composite yields acceptable shear bond strength to be used in porcelain repair.

Keywords: Shear bond strength, Porcelain repair, Resin cement
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Type of Study: Original Article | Subject: Prosthodontics
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Alhavaz A, Soltankarimi V, Aslani P. Laboratory evaluation of shear bond strength of porcelain repair methods . Caspian J Dent Res. 2012; 1 (1) :14-18
URL: http://cjdr.ir/article-1-55-en.html

Volume 1, Issue 1 (September- 2012) Back to browse issues page
مجله تحقیقات دندانپزشکی کاسپین Caspian Journal of Dental Research
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