Relative Effectiveness Of A Rotary And Conventional Toothbrush In Plaque Removal

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Universities of Leeds, Sheffield and York http://eprints

removal from a plaque or stain layer. The following describes the development of optical apparatus to enable the visualisation of simulated teeth cleaning contacts. Studies have been carried out using the apparatus to investigate particle entrainment into the contact and how it differs with varying bristle configurations.

Interaction between toothbrushes and toothpaste abrasive

Two different types of electric toothbrush were tested. The first, shown in Figure 5, has a rotary action and the other simply vibrates. The head of the rotary action brush is circular and consists of two rings of filaments, the inner ring being slightly shorter than the outer ring. The head rotates 15° either side of the central position. The

Turksel Dulgergil, Arzu Civelek, Mubin Soyman, Emre Ozel, Oya

D.E. The effectiveness of a counter-rotary action powered toothbrush and conventional toothbrush on plaque removal and gingival bleeding. A short-term study. J Periodontol, 1989; 60: 473-477. 2. Dyer D., MacDonald E., Newcombe R.G., Scratcher C., Ley F., Addy M. Abrasion and stain removal by different manual toothbrushes and brush actions