laboratory evaluation of shear bond strength of porcelain repair methods

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ID: 156021
2012
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Abstract
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.
Reference Key
alhavaz2012caspianlaboratory Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Abdolhamid Alhavaz;Vahid Soltankarimi;Pouya Aslani
Journal public health nutrition
Year 2012
DOI
DOI not found
URL
http://cjdr.ir/browse.php?a_code=A-10-53-1&slc_lang=en&sid=1
Keywords
shear bond strength resin cementdentistry

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