Efficacy of dentin bio-modification with quercetin-bromelain on shear bond strength of teeth restored with MICR technique.

• Dr.Priyanka Rudrapada,  
• Dr. Binith Kumar Mishra,  
• Dr. Prashanth B R,*  
• Dr. Rupali B Karale,  
• Dr. Prathima B J,  
• Dr. Shivaranjan N S

Abstract

Context: Dentin biomodification with natural extracts is done to improvise the bond strength with chemomechanical caries removal technique. Aim: To evaluate and compare the efficacy of dentin bio-modification with quercetin-bromelain on SBS of teeth restored with Minimal Invasive Caries Removal(MICR) technique Methodology: 48 extracted teeth with class I dentinal caries were divided into 2 followed by subdivided into 2 subgroups in each group (n=12). Group1: Without dentin biomodification Caries removal done with No.4 round bur(1a) & V-carie-solve(1b) Group2: With dentin biomodification(Quercetin-Bromelain) Caries removal done with No.4 round bur(2a) & V-carie-solve(2b) followed by dentin biomodification After composite restoration, samples were subjected to immediate SBS analysis. Two samples were examined under SEM from each subgroup. Statistical Analysis- Kruskal Wallis test with Bonferroni’s correction for multiple tests was used to assess the mean difference between the groups. Results- Dentin biomodification with mechanical and MICR technique showed better bond strength. Dentin biomodification with mechanical caries removal showed highest SBS. Conclusion- Dentin bio-modification with Quercetin-Bromelain could improve bond strength with MICR technique.

Keywords

Keywords- Bromelain, Caries affected dentin, Chemomechanical Caries Removal, Dentin Biomodification, MICR, Quercetin