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Use of chlorhexidine varnish to prevent root caries may benefit some patients

David Leader DMD, MPH Associate Clinical Professor, Tufts University .


Systematic Review Conclusion

Chlorhexidine varnish (CHX-V) may be effective in preventing root caries in the absence of regular professional tooth cleaning and oral hygiene instructions for patients who need special care.

Critical Summary Assessment

A review of six randomized controlled trials demonstrates that CHX-V may benefit patients who require special care.

Evidence Quality Rating

Limited Evidence

This summary is published in the Journal of the American Dental Association and can be accessed at:

Critical Summary Publication Date:


These summaries are not intended to, and do not, express, imply, or summarize standards of care, but rather provide a concise reference for dentists to aid in understanding and applying evidence from the referenced systematic review in making clinically sound decisions as guided by their clinical judgment and by patient needs. American Dental Association © 2019