Purpose: To compare the bond strength to human dentin for a variety of adhesive materials, including selfadhesive resin composites, self-etch and etch-and-rinse adhesive systems and glass-ionomer cement by means of micro shear bond strength (μSBS) test and SEM observations. Methods: Seventy-two human molars were sectioned to obtain a 2 mm-thick slab of mid-coronal dentin and were subsequently randomly divided into nine groups (n= 8). Nine conical frustum-shaped build-ups were constructed on the occlusal surface of each dentin slab using bonding agents (Group 1: OptiBond FL; Group 2: OptiBond XTR) combined with a resin composite (Premise Flow), self-adhesive resin composites (Group 3: RelyX Unicem; Group 4: RelyX Unicem 2; Group 5: SmartCem2; Group 6: SpeedCEM; Group 7: Maxcem Elite; Group 8: Vertise Flow) and a glass-ionomer cement (Group 9: Ketac-Fil). Specimens were subjected to μSBS test and observed with SEM. Data were analyzed by a mixed model and chi-square test. Results: The bond strengths measured in Groups 3-9 were significantly lower than those recorded in Groups 1 and 2. There were no significant differences in bond strengths between Groups 1 and 2 or between Groups 4 through 8. The bond strength measured in Group 9 was significantly lower than those recorded in Groups 4, 5, and 6 but was not significantly different than those recorded in Groups 3, 7, and 8. Failures were mainly adhesive in all groups. (Am J Dent 2014;27:323-329)

In vitro comparison of bonding effectiveness of different adhesive strategies / Scaminaci Russo D; Pierleoni F; Buti J; Ferrari M; Giachetti L. - In: AMERICAN JOURNAL OF DENTISTRY. - ISSN 0894-8275. - STAMPA. - 27(6):(2014), pp. 323-329.

In vitro comparison of bonding effectiveness of different adhesive strategies

SCAMINACI RUSSO, DANIELE;PIERLEONI, FELICITA;BUTI, JACOPO;GIACHETTI, LUCA
2014

Abstract

Purpose: To compare the bond strength to human dentin for a variety of adhesive materials, including selfadhesive resin composites, self-etch and etch-and-rinse adhesive systems and glass-ionomer cement by means of micro shear bond strength (μSBS) test and SEM observations. Methods: Seventy-two human molars were sectioned to obtain a 2 mm-thick slab of mid-coronal dentin and were subsequently randomly divided into nine groups (n= 8). Nine conical frustum-shaped build-ups were constructed on the occlusal surface of each dentin slab using bonding agents (Group 1: OptiBond FL; Group 2: OptiBond XTR) combined with a resin composite (Premise Flow), self-adhesive resin composites (Group 3: RelyX Unicem; Group 4: RelyX Unicem 2; Group 5: SmartCem2; Group 6: SpeedCEM; Group 7: Maxcem Elite; Group 8: Vertise Flow) and a glass-ionomer cement (Group 9: Ketac-Fil). Specimens were subjected to μSBS test and observed with SEM. Data were analyzed by a mixed model and chi-square test. Results: The bond strengths measured in Groups 3-9 were significantly lower than those recorded in Groups 1 and 2. There were no significant differences in bond strengths between Groups 1 and 2 or between Groups 4 through 8. The bond strength measured in Group 9 was significantly lower than those recorded in Groups 4, 5, and 6 but was not significantly different than those recorded in Groups 3, 7, and 8. Failures were mainly adhesive in all groups. (Am J Dent 2014;27:323-329)
2014
27(6)
323
329
Scaminaci Russo D; Pierleoni F; Buti J; Ferrari M; Giachetti L
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Utilizza questo identificatore per citare o creare un link a questa risorsa: https://hdl.handle.net/2158/959588
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