SHEAR BOND STRENGTH OF COMPOSITE RESIN ON PERMANENT TEETH DENTIN PRETREATED WITH VARIOUS SILVER DIAMINE FLUORIDE CONCENTRATIONS: AN IN-VITRO STUDY

Dr. Bornisha Bezborah*, Dr. Anushka Gayan, Dr. Chaitra T. R., Dr. Seema Chaudhary and Dr. Sanjana Deka

ABSTRACT

Background: The current study aimed to investigate the impact of different concentrations (12%, 30%, and 38%) of Silver diamine fluoride on the shear bond strength of composite resin to artificial caries-affected dentine. Materials and methods: Forty extracted premolars were demineralized to mimic caries-affected dentine They were randomly allocated for pretreatment (n = 10 per treatment), Group 1: (Control group) without pretreatment of SDF, Group 2 : 12% SDF pretreatment, Group 3: 30% SDF pretreatment, Group 4: 38% SDF pretreatment. All samples were immersed in artificial saliva for 24 hours after the treatments. Subsequently, all dentine samples were bonded with Composite resin. The shear bond strength was then measured using a universal testing machine and was analyzed using a one-way ANOVA test. Results: A statistically significant difference in mean SBS was found between control group (25.7 ± 1.7) and group 2 (11.5 ± 1.2), group 3 (17.1 ± 1.3) and group 4 (18.9 ± 1.9), but no significant difference was found between group 3 and group 4. Moreover, there was a statistically significant difference in mean SBS between group 2 with group 3 and group 4. Conclusion: The application of SDF to dentin immediately before composite resin restoration adversely affects Shear bond strength.

Keywords: Silver diamine fluoride, shear bond strength, universal testing machine.