Efficacy of a chlorhexidine and a chlorhexidine-fluoride varnish mixture to decrease interdental levels of mutans streptococci.

The aim of the present study was to evaluate and compare the efficacy of a chlor-hexidine/thymol-containing (CHX) and a chlorhexidine/fhymol/fluoride-con-taining (CHX+F) varnish to decrease interdenta