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Dental and Oral Health (Adults)

Mouthwash

01/04/2007

Question:

Does non-alcohol mouthwash kill germs as effectively as one that contains alcohol?

Answer:

Not all mouthwashes are equal, and it is not the alcohol in the mouthwash that kills bacteria. Alcohol in mouthwash is added to dissolve the other ingredients and to aid in the penetration of oral plaque. Typically mouthwashes contain between 21 -26% alcohol, and at that concentration, it does not have much real antimicrobial activity. Alcohol can also dry the tissues of the mouth and obviously be an issue for those sensitive to alcohol, children, or those who maybe be addicted or recovering from alcohol related addiction.  If used as directed, the alcohol containing mouth rinse should not be a problem for other populations.

There are mouth rinses on the market that do not contain alcohol.  Specifically, Crest Pro Rinse for gum or gingival concerns and Fluorigard or Act to help prevent decay or caries.   All of these products are alcohol free. 

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Response by:

The Ohio State University Susan Bauchmoyer, RDH, EFDA, MS
Associate Professor – Clinical, Clinic Director
Section of Primary Care - Dental Hygiene
College of Dentistry
The Ohio State University
Susan   Bauchmoyer, RDH, EFDA,  MS