Abstract: The occurrence of initial lesions is a dynamic progress of enamel demineraliation and remineralization. The key to treat initial caries lesions is to prevent the progress of demineralization. Resin infiltration as a new material with low viscosity and small surface tension can inhibits further caries progression when it infiltrates into subsurface carious pore volume of enamel and forms a barrier. In recent years, resin infiltration technology has been a new way for treatment of initial caries lesions. It is easier for the patients to accept with the advantages of minimally invasion and painless. This systematic review revealed that resin infiltration appears to be an effective method to arrest the progress of initial caries lesion. Additionally, long-term studies are required.

Key words: initial enamel caries lesions, noninvasive treatment, resin infiltration, resin infiltration technology