Alcohol‐free mouthrinse solutions to reduce supragingival plaque regrowth and vitality

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Abstract
Background: The aim of this study was to evaluate the clinical and antibacterial properties of alcohol‐free mouthrinses, an amine fluoride/stannous fluoride mouthrinse (ASF) and two triclosan solutions in comparison with a chlorhexidine and a placebo rinse.Material and methods: In a double‐blind, randomised 5‐cell cross‐over 4‐day plaque regrowth study, 19 volunteers rinsed 2 × a day with 15 ml of each of the distributed solutions. Each test cycle was followed by a 10 days wash‐out period. On day 0 of each test week, volunteers received a dental prophylaxis. Thereafter they refrained from all mechanical oral hygiene procedures for the next four days. Plaque regrowth was assessed daily by the plaque index and on day 4 by calculating the plaque area with a computer program after disclosure and photography of the front teeth. The vitality of the plaque was examined on days 1 to 4 by the vital fluorescence technique.Results: 19 participants completed the study. Compared to the placebo the ASF solution showed 15.7% (p>0.5), 30.6% (pppppppConclusion: Alcohol‐free mouthrinse solutions were shown to be effective in reducing both plaque accumulation and plaque biofilm vitality compared to a placebo solution.

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