Clinical Research Directory

Chlorhexidine (CHX) Mouthwash With or Without an Anti-Discoloration System (ADS) During Experimental Gingivitis

Sponsor: University of Bern

Summary

Recently, a chlorhexidine product with an anti-discoloration system (ADS) was launched in the market. A comparative study was done to confirm the effectiveness of 0.2% chlorhexidine with ADS. The study was single-blinded. In the experimental period, volunteers maintained their usual oral hygiene habits, besides, they rinsed twice daily with mouthwash (0.2% chlorhexidine) with or without ADS. Obviously, subject's home oral hygiene may become a major confounder of plaque accumulation. Although the effect of ADS is statistically significant, the ability of this new product to prevent plaque accumulation and gingivitis remained highly questionable. Hence, controversy exists about the clinical efficacy of the chlorhexidine products with ADS. Consequently, a clinical validation of such products appears necessary. In the present study, the 21-day experimental gingivitis model will be used. This model is an established non-invasive model in humans for investigating the induction and resolution of inflammation in response to increasing bacterial accumulation. The design enables a study to be performed over 35 days in a well-controlled manner. So far, it is the most accurate clinical study model to access how medication or compounds in dentifrices affect plaque accumulation and gingival inflammation.

Official title: Protocol Title Evaluation of the Anti-septic Effect of a Chlorhexidine (CHX) Mouthwash With or Without an Anti-Discoloration System (ADS) Compared to Placebo, During Experimental Gingivitis

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