• Y Erdogan, H Karayilmaz, M Unal, O Gungor, and Z Z Ciftci.
• Faculty of Dentistry, Department of Pediatric Dentistry, Pamukkale University, Denizli, Turkey.
• Niger J Clin Pract. 2020 Aug 1; 23 (8): 1103-1109.

BackgroundContamination is a common problem in pediatric restorative dentistry and there are a few studies that investigate blood contamination, hemostatic agents, and tooth dentin.AimThe purpose of this study was to evaluate the effects of blood contamination and hemostatic agents on the bond strength of two different bonding systems with the dentin of primary teeth.Materials And MethodsBuccal and lingual dentin surfaces of 40 primary second molar teeth were used for this study. Specimens were divided into 4 groups according to the contamination and hemostatic agents (Blood-B, Ankaferd Blood Stopper-A, ViscoStat-V, Control-C) and then every group was further divided into two subgroups according to the bonding systems (Clearfil SE Bond-I, All Bond Universal-II, n = 10 per group). A bulk-fill composite resin was built-up on the surfaces. The specimens were tested in the micro shear mode at a crosshead speed of 1 mm/min on a universal test machine. Statistical analysis was performed with ANOVA and Tukey's tests at P < 0.05.ResultsSignificant differences have been detected in the micro shear bond strengths only between the Ankaferd Blood Stopper (ABS) (AI = 13.72 ± 4.47 and AII = 9.12 ± 4.4) and control groups (CI = 22.78 ± 10.86 and CII = 16.49 ± 6.55) without regards to the bonding systems. The highest scores were obtained in the control groups. Clearfil SE Bond showed better performance than All Bond Universal in all groups.ConclusionIt was determined that only the ABS contamination groups showed statistically significant decreases in the bond strengths when compared with control groups.

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