Caries Research

Basic Science

Influence of Tooth Paste Particle Size and Tooth Brush Stiffness on Dentine Abrasion in vitro

De Boer P. · Duinkerke A.S.H. · Arends J.

Author affiliations

Laboratory for Materia Technica, Dental School, Groningen, The Netherlands

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Caries Res 1985;19:232–239

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Article / Publication Details

First-Page Preview
Abstract of Basic Science

Published online: November 18, 2009
Issue release date: 1985

Number of Print Pages: 8
Number of Figures: 0
Number of Tables: 0

ISSN: 0008-6568 (Print)
eISSN: 1421-976X (Online)

For additional information: https://www.karger.com/CRE

Abstract

The influence of particle size and tooth brush stiffness on abrasion of dentine was determined by means of a brushing machine, using 1,000, 2,000, 5,000, and 10,000 strokes and 200 g tooth brush load. Tooth pastes with two particle sizes were used: 7 and 15 μm diameter for the CaCO3 and 8 and 13 μm for Al(OH)3 abrasive systems. Abrasion was measured by a surface profilometer system and expressed in mean depth. The results show that (1) abrasion was always linearly correlated to the number of strokes; (2) nearly independent of the tooth paste system the abrasion is roughly 1.4 × more severe for the medium than for the soft brush; (3) the abrasion rates (average thickness removed per stroke) prooved to be significantly (p < 0.05) different for all four tooth paste systems, and (4) larger particles lead to higher abrasion rates for both abrasive systems.

© 1985 S. Karger AG, Basel




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Article / Publication Details

First-Page Preview
Abstract of Basic Science

Published online: November 18, 2009
Issue release date: 1985

Number of Print Pages: 8
Number of Figures: 0
Number of Tables: 0

ISSN: 0008-6568 (Print)
eISSN: 1421-976X (Online)

For additional information: https://www.karger.com/CRE


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