TY - JOUR
T1 - In vitro comparison of bonding effectiveness of different adhesive strategies.
AU - Scaminaci Russo, Daniele
AU - Pierleoni, Felicita
AU - Buti, Jacopo
AU - Ferrari, Marco
AU - Giachetti, Luca
PY - 2014/12
Y1 - 2014/12
N2 - ABSTRACT: Purpose: To compare the bond strength to human dentin for a variety of adhesive materials, including self-adhesive 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.
AB - ABSTRACT: Purpose: To compare the bond strength to human dentin for a variety of adhesive materials, including self-adhesive 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.
M3 - Article
C2 - 25707087
SN - 0894-8275
VL - 27
JO - American journal of dentistry
JF - American journal of dentistry
IS - 6
ER -