Estudios clínicos

Plaque inhibition of two commercially available chlorhexidine mouthrinses



Chlorhexidine (CHX) 0.2% solution is still ‘‘the leading oral antiseptic’’ for controlling gingivitis. Side effects, however, limit the acceptability to users and the long-term employment of a 0.2% CHX antiseptic in preventive dentistry. This stimulated the development of new formulations. The aim of the present study was to assess the effect on plaque inhibition and taste perception of two commercially available mouthrinses (0.12% CHX non-alcohol base with 0.05% cetyl pyridinium chloride (Cpc) versus 0.2% CHX alcohol base). 


The study was designed as a single-blind, randomized two group parallel experiment, to compare two different commercially available mouthrinses, during a 3-day plaque accumulation model. Forty healthy volunteers were enrolled in the study and received a thorough dental prophylaxis at the beginning of the test period. Over a 72-h experimental non-brushing period, during which subjects abstained from all forms of mechanical oral hygiene, one group (test) used a 15 ml alcohol free 0.12% CHX ( 5 18 mg) mouthrinse on a Cpc base (Perioaid, CHX

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