Effect of Sandblasting on Shear Bond Strength Composite Resin Veneer

Octarina Octarina, Andi Soufyan, Yosi Kusuma Eriwati

Abstract


Attachment between restoration and enamel surface in indirect resin composite veneer restoration (IRCV) is obtained using multi-step (MS) resin cement. Recently, a one step self-adhesive dual-cured resin cement (SADRC) was introduced. Objective: To determine the effect of sandblasting on shear bond strength (SBS) of IRCV to enamel using MS resin cement and SADRC. Methods: Forty specimens of buccal surface of enamel human were light-cured in Solidilite chamber and were divided into two groups: IRCV without sandblasting (n=20) and with sandblasting for 10 seconds (n=20) and then bonded to enamel using MS (n=10) and SADRC (n=10), respectively. After 24h SBS of specimens were tested using a Universal Testing Machine. Data were analyzed statistically by one-way ANOVA. Results: The average SBS value of IRCV without SB and bonded with MS was 18.95+7.80MPa and MS with SB was 19.30+ SB (4.85+2.12MPa) and SADRC with SB (9.57+3.45MPa)(p<0.05). Conclusion: increased SBS VIRK to enamel using MS resin cement than SADRC.

 


Keywords


indirect composite resin veneer; resin cement multi-­step; SADRC; sandblasting

DOI: https://doi/org/10.14693/jdi.v19i1.122

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