Journal of Periodontal and Implant Science

Korean Academy of Periodontology (대한치주과학회)
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The plaque-removing efficacy of a single-tufted brush on the lingual and buccal surfaces of the molars

  • Lee, Dong-Won (Department of Periodontology, Gangnam Severance Hospital, Yonsei University College of Dentistry) ;
  • Moon, Ik-Sang (Department of Periodontology, Gangnam Severance Hospital, Yonsei University College of Dentistry)
  • Received : 2011.04.07
  • Accepted : 2011.05.17
  • Published : 2011.06.30
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Abstract

Purpose: To test the plaque-removal efficacy of a single-tufted toothbrush on the posterior molars compared with a flat-trimmed toothbrush. Methods: Forty-nine subjects were selected. Professional instruction and written brushing instructions were given. After thorough supra-gingival scaling and polishing, all subjects were asked to abstain from oral hygiene procedures for 24 hours prior to the first experiment. The subjects were randomized to a treatment sequence. The modified Quigley and Hein plaque index was recorded pre- and post-tooth brushing, at 6 surfaces of the posterior molars. After a wash-out period, all the remaining plaque was removed professionally. Twenty-four hours of brushing abstinence was again performed. The plaque index was recorded pre- and post-tooth brushing after the subjects were given the second toothbrush in the cross-over sequence. Results: The percentage reductions in plaque scores achieved with the single-tufted brushes were significantly higher than those of the flat-trimmed brush at the maxillary buccal interproximal, marginal and mandibular lingual interproximal site. The other locations showed no significant difference. Conclusions: The results of the present study implied that the single-tufted brush could be an effective tool for the removal of plaque at some, but not all, sites of the posterior molars.

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References

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