Comparing the Effect of Potassium Iodide and Glutathione on ‎Color Stability and Shear Bond Strength of Glass Ionomer to ‎Silver Diamine Fluoride Treated Carious Dentine in Primary ‎Teeth: An In-Vitro Study

Document Type : Original articles

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1 264 area c yasin abdelghafar street

2 Pedodontic department, Faculty of dentistry, Ain shams university, Cairo, Egypt

3 Pediatric Dentistry and Dental Public Health Department, Faculty OF Dentistry Ain Shamis University and British University in Egypt

Abstract

Aim: The aim of the study is to compare the color stability after application of Potassium Iodide (KI) ‎versus Glutathione Biomolecule (GSH) to silver diamine fluoride (SDF) treated carious dentine ‎surface of primary teeth. And to assess shear bond strength of SDF treated carious primary dentin to ‎glass ionomer after application of KI and GSH.‎
Materials and methods:  Total of 54 teeth were collected after extraction from British University clinic, ‎‎24 used for the color stability test and 30 for shear Group 1 SDF, Group 2 SDF+ KI, Group 3 SDF + ‎GSH. For color test carious teeth were selected and multiple intervals were measured before material ‎application, immediately after, 7days, and 10 days. For shear test artificial demineralization was ‎preformed then material application and glass ionomer application by teflon mold then left in ‎artificial saliva for 7 days then subjected to shear testing. Tests were conducted in the British ‎University and Ain Shamis Universities and the National institute of Standards.‎
Results:  Color change data were analyzed using two-way mixed model ANOVA followed by simple ‎effects comparisons revealing GSH masked discoloration of SDF followed by KI group and least SDF ‎group. Shear bond strength data were analyzed using one-way ANOVA followed by Tukey's post hoc ‎test revealing no statistical significance between GSH and KI group, but statistical significance from ‎SDF group.‎
Conclusion: GSH had superior results in masking of SDF discoloration and comparable shear bond ‎strength to KI group and can therefore be used as an alternative to KI. ‎

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