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Some evidence shows that certain mouthrinses can reduce halitosis

Gerard Byrne BDSc MSD; Satish Kumar DDS, MDSc .


Systematic Review Conclusion

Mouthrinses containing antibacterial agents (chlorhexidine and cetylpyridinium chloride) or those containing chlorine dioxide and zinc can reduce halitosis to some extent.

Critical Summary Assessment

Although antibacterial mouthrinses can reduce halitosis, the extent of effectiveness is uncertain owing to incomplete reporting, possible study bias and variation in patients’ characteristics and assessment methods.

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