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Wear of human teeth: a tribological perspective

Lewis, R. and Dwyer-Joyce, R.S. (2005) Wear of human teeth: a tribological perspective. Proceedings of the Institution of Mechanical Engineers, Part J: Journal of Engineering Tribology, 219 (1). pp. 1-18. ISSN 1350-6501

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Abstract

The four main types of wear in teeth are attrition (enamel-on-enamel contact), abrasion (wear due to abrasive particles in food or toothpaste), abfraction (cracking in enamel and subsequent material loss), and erosion (chemical decomposition of the tooth). They occur as a result of a number of mechanisms including thegosis (sliding of teeth into their lateral position), bruxism (tooth grinding), mastication (chewing), toothbrushing, tooth flexure, and chemical effects. In this paper the current understanding of wear of enamel and dentine in teeth is reviewed in terms of these mechanisms and the major influencing factors are examined. In vitro tooth wear simulation and in vivo wear measurement and ranking are also discussed.

Item Type: Article
Copyright, Publisher and Additional Information: Copyright (c) 2005 Professional Engineering Publishing. This is an author produced version of a paper published in ' Proceedings- Institution of Mechanical Engineers Part J Journal of Engineering Tribology '. Uploaded in accordance with the publisher's self-archiving policy.
Keywords: Tooth wear mechanisms Tooth wear testing Abrasion Computer simulation Decomposition Grinding (machining) Tooth enamel Wear resistance Human teeth Material loss Tooth flexure Toothpastes Tribology wear
Institution: The University of Sheffield
Academic Units: The University of Sheffield > Faculty of Engineering (Sheffield) > Department of Mechanical Engineering (Sheffield)
Depositing User: Mr Christopher Hardwick
Date Deposited: 18 Aug 2009 16:56
Last Modified: 08 Feb 2013 16:58
Published Version: http://dx.doi.org/10.1243/1350650053295394
Status: Published
Publisher: Professional Engineering Publishing
Refereed: Yes
Identification Number: 10.1243/1350650053295394
URI: http://eprints.whiterose.ac.uk/id/eprint/9181

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