Finally, 4 studies were included. Three studies reported that topical applications of silver diammine fluoride (SDF) solution could arrest dentin caries in preschool children. One study supported ...

Developed in Japan in the 1960s, SDF is known for its ability to arrest caries, prevent further decay, and provide a non-invasive treatment option that is both simple and cost-effective.

Regarding the outcome assessment of all included studies, the criteria used to classify active or arrested caries lesions are based on visual inspection and tactile sensation using a probe.