Inclusion Criteria:  -  Children:  Aged 3 to 5 years, in good general health and medically free. The parents provided written informed consent. Medically free  Teeth:  Carious primary teeth Restorable teeth. Teeth are not pulpally involved  Exclusion Criteria:  Children:  with a history of allergy to silver Unable to attend follow-up visits. Refusal of participation.  Teeth:  Previously restored teeth. Periapical swelling and tenderness in this area. With mobility. With spontaneous pain.