Caries lesions treated with SDF usually turn black and hard. Stopping the caries process in all targeted lesions may take several applications of SDF, and reapplication may be necessary to sustain arrest. Case selection for application of silver diamine fluoride. Benefits: - High caries risk who have active cavitated caries lesions in anterior or posterior teeth. - Presenting with behavioral or medical management challenges and cavitated caries lesions. - Multiple cavitated caries lesions that may not all be treated in one visit. - Made in Egypt.