Research Article
Volume 19 Issue 4 - 2020
Effect of Different Anti-Oxidants on the Shear Bond Strength of a Universal Adhesive to Smear Layer-Deproteinized Dentin
Sajal Agarwal1, Rajni Nagpal2*, Udai Pratap Singh3, Nida Mehmood1 and Meenal Agarwal1
1PG Student, Department of Conservative Dentistry and Endodontics, Kothiwal Dental College and Research Centre, Moradabad, UP, India
2Professor, Department of Conservative Dentistry and Endodontics, Kothiwal Dental College and Research Centre, Moradabad, UP, India
3Professor and Head, Department of Conservative Dentistry and Endodontics, Kothiwal Dental College and Research Centre, Moradabad, UP, India
*Corresponding Author: Rajni Nagpal, Professor, Department of Conservative Dentistry and Endodontics, Kothiwal Dental College and Research Centre, Moradabad, UP, India.
Received: February 04, 2020; Published: March 21, 2020




Abstract

Objective: To evaluate the effect of different anti-oxidants on the shear bond strength of a universal adhesive to NaOCl-treated dentin.

Materials and Methods: Flat coronal dentin surfaces were prepared in sixty-six extracted human molars. Teeth were randomly divided into six groups (n = 10) according to different surface pre-treatments: no surface pre-treatment (Group A); sodium hypochlorite pre-treatment (Group B); sodium hypochlorite pre-treatment followed by anti-oxidant application either, cashew nutshell liquid (Group C), proanthocyanidin (Group D), rosmarinic acid (Group E), sodium ascorbate (Group F). Subsequently, Prime and Bond Universal adhesive was applied and composite resin cylinder build ups were done. Ten samples from each group were prepared for shear bond strength testing. One sample per group was additionally prepared to observe the resin - dentin interface under scanning electron microscope. Data obtained was subjected to statistical analysis using one-way ANOVA and post-hoc Tukey’s test at a significance level of p < 0.05.

Results: Sodium hypochlorite application decreased the bond strength of universal adhesive as compared to the control group (p = 0.125). Application of all antioxidants including cashew nutshell liquid proanthocyanidin, rosmarinic acid and sodium ascorbate as dentin pre-treatment lead to reversal of bond strength with a significant increase compared to sodium hypochlorite treated group ((p = 0.0001; p = 0.002; p = 0.002; p = 0.001 respectively).Cashew nutshell liquid significantly increased the bond strength as compared to the control group (p = 0.012) as well.

Conclusion: Subsequent application of anti-oxidants reversed the compromised shear bond strength of universal adhesive to sodium hypochlorite pre-treated dentin.

Keywords: Anti-Oxidants; Cashew Nutshell Liquid; Proanthocyanidin; Rosmarinic Acid; Sodium Ascorbate

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Citation: Rajni Nagpal., et al. “Effect of Different Anti-Oxidants on the Shear Bond Strength of a Universal Adhesive to Smear Layer- Deproteinized Dentin”. EC Dental Science 19.4 (2020): 143-153.

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