Chlorhexidine varnish (CHX-V) may provide a beneficial effect against root caries for patients in need of special care, according to a new study (Caries Research, April 2011, Vol. 45:2, pp. 162-173).

Higher fluoride concentrations are necessary when controlling caries of the root dentine versus those in the enamel, according to a new study from researchers from Brazil and published in PLOS One.

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