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Fluoridated elastomers: effect on disclosed plaque

Benson, P.E., Shah, A.A. and Campbell, I.F. (2004) Fluoridated elastomers: effect on disclosed plaque. Journal of Orthodontics, 31 (1). pp. 41-46. ISSN 1465-3125


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OBJECTIVE: To investigate the effect of fluoridated elastomers on the quantity of disclosed dental plaque surrounding an orthodontic bracket in vivo. DESIGN: A randomized, prospective, longitudinal clinical trial, employing a split mouth, crossover design. Setting: The Orthodontic Departments of Liverpool and Sheffield Dental Hospitals. Subjects and methods: The subjects were 30 individuals about to start fixed orthodontic treatment. The study consisted of two experimental periods of 6 weeks with a washout period between. Fluoridated elastomers were randomly assigned at the first visit to be placed around brackets on 12, 11, 33 or 22, 21, 43. Non-fluoridated elastomers were placed on the contra-lateral teeth. After 6 weeks (visit 2) the elastomers were removed, the teeth disclosed and a photograph taken. Non-fluoridated elastomers were placed on all brackets for one visit to allow for a washout period. At visit 3, fluoridated elastomers were placed on the contra-lateral teeth to visit 1. At visit 4, the procedures at visit 2 were repeated. The photographs were scanned, then the area and proportion of the buccal surface covered with disclosed plaque was measured using computerized image analysis. A mixed-effects ANOVA was carried out with the dependent variable being the area or percentage area of disclosed plaque. RESULTS: There was no evidence of a systematic error and substantial agreement for the repeat readings of the same images. The only significant independent variable for the area of disclosed plaque was the subject (p<0.001). The significant independent variables for the proportion of disclosed plaque were the subject (p<0.001) and the tooth type (p=0.002). The independent variable describing the use of fluoridated or non-fluoridated elastomers was not significant for either the area or the proportion of disclosed plaque. CONCLUSION: Fluoridated elastomers do not affect the quantity of disclosed plaque around an orthodontic bracket.

Item Type: Article
Copyright, Publisher and Additional Information: Copyright © 2004 British Orthodontic Society
Keywords: Orthodontics, dental plaque, fluoride, elastomers, randomized clinical trial, image analysis
Institution: The University of Sheffield
Academic Units: The University of Sheffield > Faculty of Medicine, Dentistry and Health (Sheffield) > School of Dentistry (Sheffield) > Department of Oral Health and Development (Sheffield)
Depositing User: Philip Benson
Date Deposited: 08 Apr 2005
Last Modified: 09 Jun 2014 18:17
Published Version: http://jorthodmaneyjournals.org/
Status: Published
Refereed: Yes
Identification Number: 10.1179/146531204225011300
URI: http://eprints.whiterose.ac.uk/id/eprint/389

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