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Niger J Clin Pract. 2017 Sep;20(9):1201-1205. doi: 10.4103/1119-3077.187325.

Effect of saliva decontamination procedures on shear bond strength of a one-step adhesive system.

Author information

1
Department of Restorative Dentistry, Faculty of Dentistry, Selcuk University, Konya, Turkey.
2
Department of Pedodontics, Faculty of Dentistry, Selcuk University, Konya, Turkey.

Abstract

AIM:

To evaluate the effect of different saliva decontamination procedures on the shear bond strength of a one-step universal adhesive system (Single Bond™ Universal Adhesive, 3M ESPE, St. Paul, MN, USA).

MATERIALS AND METHODS:

The occlusal surfaces of 75 human third molars were ground to expose dentin. The teeth were divided into the following groups: Group 1 (control group): Single Bond™ Universal Adhesive was applied to the prepared tooth according to the manufacturer's recommendations and light cured; no contamination procedure was performed. Group 2: Bonding, light curing, saliva contamination, and dry. Group 3: Bonding, light curing, saliva contamination, rinse, and dry. Group 4: After the procedure performed in Group 2, reapplication of bonding. Group 5: After the procedure performed in Group 3, reapplication of bonding. Then, composite resins were applied with cylindrical-shaped plastic matrixes and light cured. For shear bond testing, a notch-shaped force transducer apparatus was applied to each specimen at the interface between the tooth and composite until failure occurred. The data were statistically analyzed using one-way ANOVA.

RESULTS:

One-way ANOVA revealed significant differences in shear bond strength between the control group and experimental Groups 2 and 4 (P < 0.05). No significant difference was found for experimental Groups 3 and 5 when compared to the control group (P > 0.05).

CONCLUSION:

The present in vitro study showed that water rinsing is necessary if cured adhesive resin is contaminated with saliva to ensure adequate bond strength.

PMID:
29072247
DOI:
10.4103/1119-3077.187325
[Indexed for MEDLINE]
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