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Comparison of Bonding Strength of Composite Resin to Feldspathic Ceramic Denture Using two Different Universal Adhesives and Standard Method | Abstract

Journal of Research in Medical and Dental Science
eISSN No. 2347-2367 pISSN No. 2347-2545

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Comparison of Bonding Strength of Composite Resin to Feldspathic Ceramic Denture Using two Different Universal Adhesives and Standard Method

Author(s): Azita Kaviani, Mah Merikh, Samaneh Sadat Jalali

Abstract

Several different bonding systems are available that may be applied to the composite bond to the feldspathic porcelain. The purpose of this study was to investigate the shear bond strength between composite resin and feldspar porcelain using universal adhesives in comparison with the usual method of conventional bonding and silane application. 30 cubic feldspath porcelain (5 × 5 × 6 mm) disk were prepared from a 2 vita marker disc and then washed with 9.6% hydrofluoric acid and then washed and dried and were divided into 3 groups of 10 adhesive type according to AdPr single bond 2(common adhesive) and Clearfil Universal bond (Universal Adhesive) and FuturabondU (Universal Adhesive). A resin composite with dimensions of 5mm diameter and 2mm thickness was placed. Samples were stored in distilled water at 37 ° C for 24 hours and thermocycled at 5000 rpm in 5 and 55 ° C with a retention time of 30 seconds. The shear bond strength test was performed by universal test machine at a speed of 1 mm / min. Data analysis (MPa) was performed by LSD test (P > 0.05). The highest shear bond strength was in the Adper single bond U (9.88 MPa) and the Clearfil Universal bond group (11.01 MPa) and the lowest was for the future bond U group (4.82). Clearfil universal bond had better shear bond strength than other adhesives, but since its difference was not significant with the control group, and due to the lesser and simpler steps, Clearfil Universal adhesive is recommended.

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