Abstract
Aim: To investigate the dissimilarity of the shear bond strength of bracket on porcelain surface using silane and single bond. Materials and Methods: This study was laboratory experimental research with posttest-only group design. Simple random sampling was performed to select the sample. Twenty-eight porcelain veneers were used as sample, then divided into four groups accordingly: hydrofluoric acid, silane, bonding, and adhesive (I); hydrofluoric acid, single bond, bonding, and adhesive (II); hydrofluoric acid, bonding, and adhesive (III); and single bond and adhesive (IV). Shear bond strength of brackets was performed by means of universal testing machine. Scanning electron microscope was used to examine the porcelain surface roughness. Wilcoxon Mann–Whitney test (P < 0.05) was performed to analyze the difference between groups. Result: The shear bond strengths between groups were significantly different (P < 0.05). The greatest bracket shear bond strength and lowest porcelain surface roughness were found in hydrofluoric acid, silane, bonding, and adhesive. Conclusion: Silane applied separately from bonding and acid has great shear bond strength and low porcelain surface roughness.
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