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Wiley InterScience | |||||||||||||||||
  Journal of Clinical PeriodontologyVolume 29 Issue 7, Pages 645 - 650 Published Online: 26 Sep 2002 © 2010 John Wiley & Sons A/S The official publication of the European Federation of Periodontology
Abstract | References | Full Text: HTML, PDF (Size: 118K) | Related Articles | Citation Tracking  Comparison of new and 3-month-old toothbrushes in plaque removal Copyright © Munksgaard 2002 KEYWORDS toothbrush • toothbrush wear • plaque control • oral hygiene
Tan E, Daly C: Comparison of new and 3-month-old toothbrushes in plaque removal. J Clin Periodontol 2002; 29: 645–650.© Blackwell Munksgaard, 2002.
Abstract
Objectives: It is often recommended that manual toothbrushes should be replaced every 3 months. The aim of this study was to compare the effectiveness of new and 3-month-old toothbrushes in the removal of dental plaque. Materials and methods: A single examiner blind, randomized study was performed in which 40 adult patients attended the clinic on two occasions following 48-h periods of no oral hygiene. Following plaque scoring, patients brushed with a new toothbrush at one visit and with a brush that they had used previously for 3 months at the other visit. Brushing time was 60 s. Plaque was then re-scored and percentage reductions in plaque scores calculated. The amount of wear of the 3-month-old brushes was determined by measurement of brushing surface areas. Results: Plaque scores after each 48-h period of no oral hygiene were not significantly different. The percentage reductions in plaque scores achieved with the new brushes were not significantly different from those achieved with the 3-month-old brushes. Both the new and the 3-month-old toothbrushes reduced plaque scores by approximately 34%. Compared with new brushes in the same subjects, no significant differences were found for plaque score reductions for 3-month-old brushes with minor, moderate or marked wear. Conclusion: The 3-month-old toothbrushes were as effective as new brushes in plaque removal. Accepted for publication 31 July 2001 | 
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