الفهرس 
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Abstract
Aim: The aim of the study was to evaluate the effect of glutathione (GSH) versus potassium iodide in reducing the staining effect of silver diamine fluoride.
Methods: Sixteen carious primary teeth were collected and stored in saline. Caries was excavated by using a sharp spoon excavator. The teeth were divided into 2 groups. The control group received SDF+KI and the test group received SDF+ glutathione Color changes (ΔE) were measured using a spectrophotometer at the following time intervals: before solution application (baseline) and immediately after application, then 72 hours after application
Results: The 2 groups showed statistically significant difference (ΔE) between baseline and immediately after application where glutathione shows less amount of color change, no statistically significant difference either in (ΔE) mean value recorded 72 h after application or in total (ΔE) recorded from baseline to 72 h after application (P=0.615 and P=0.349, respectively).
Conclusions: Black staining the main disadvantage of SDF, can be reduced by adding certain substances. GSH can minimize color changes immediately after the application of SDF.