Inclusion Criteria:  Patients of both genders. Age range between 5 to 10 years old. Both deciduous maxillary and mandibular untreated teeth. Carious teeth categorized as ICDAS code 4, 5 and 6 will be included. Active carious lesions on occlusal surface of primary molars  Exclusion Criteria:  Permanent dentition will be excluded from this study  Primary molar showing signs of irreversible pulpitis Patients diagnosed with periapical abscess Patients allergic to silver Medically compromised or patients with childhood impairment and disability. Hemophilic patients Epileptic patients Non-consenting patients for silver staining