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  • Title: Dentin bond strengths as a function of solvent and glutaraldehyde content.
    Author: Ritter AV, Bertoli C, Swift EJ.
    Journal: Am J Dent; 2001 Aug; 14(4):221-6. PubMed ID: 11699741.
    Abstract:
    PURPOSE: To evaluate the effect of the inclusion of glutaraldehyde on the shear bond strength of new ethanol-based adhesives (Gluma Comfort Bond & Desensitizer, GCBD and Gluma Comfort Bond, GCB) versus acetone-based Gluma One Bond (GOB) and a conventional three-step adhesive as a control. MATERIALS AND METHODS: Forty bovine incisors were mounted in acrylic, polished to 600-grit, and randomly assigned to four groups (n=10). Dentin was etched for 15 s using 35% phosphoric acid, rinsed, and lightly dried. After adhesive application and curing, Charisma composite was applied in a #5 gelatin capsule and light-cured. Specimens were loaded in shear using an Instron at 5 mm/min. Shear bond strengths were calculated by dividing failure load by bonded surface area. ANOVA showed a significant difference in means at P< 0.01, so Tukey's test was used for pairwise comparisons. RESULTS: Mean SBS (+/- SD, MPa) were: GOB: 8 (4.4)ab; GCB: 10 (4.4)ab; GCBD: 14 (6)bc; SBMP: 17.7 (6.4)c. Superscript letters indicate Tukey's homogeneous subsets (P< 0.05).
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