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Vol. 38, No. 1, 2004
Issue release date: January–February 2004
Section title: Original Paper
Caries Res 2004;38:62–66
(DOI:10.1159/000073922)

Brushing Abrasion of Softened and Remineralised Dentin: An in situ Study

Attin T. · Siegel S. · Buchalla W. · Lennon Á.M. · Hannig C. · Becker K.
Department of Operative Dentistry, Preventive Dentistry and Periodontology, Georg August University Göttingen, Göttingen, Germany

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Article / Publication Details

First-Page Preview
Abstract of Original Paper

Received: 3/13/2003
Accepted: 6/12/2003
Published online: 12/29/2003
Issue release date: January–February 2004

Number of Print Pages: 5
Number of Figures: 0
Number of Tables: 1

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

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

Abstract

The aim of the present in situ study was to evaluate the effect of different periods of intra-oral remineralisation on the susceptibility of softened dentin to toothbrushing abrasion. Groups of 6 human dentin specimens (A–F) were recessed in the buccal aspects of intra-oral appliances which were worn for 21 days by 11 volunteers. The samples were demineralised twice a day extra-orally in the acidic beverage Sprite Light (pH 2.9) for 90 s. Subsequently, the dentin specimens were brushed at different times. Specimen A was brushed immediately after demineralisation. Specimens B–E were brushed after the intra-oral appliances had been worn for various periods in the mouth: specimen B for 10 min, C for 20 min, D for 30 min and E for 60 min. Specimen F was not brushed (control). After 21 days, dentin wear was measured with a profilometer. The following values (means ± standard deviation) were recorded (µm): A, 23.6 ± 16.7; B, 37.9 ± 29.7; C, 31.8 ± 26.5; D, 18.5 ± 10.5; E, 15.3 ± 11.6; F, 12.6 ± 6.7. There was a statistically significantly increased dentin loss for groups A, B and C as compared to the controls (U test: p < 0.05). However, after intra-oral periods of 30 and 60 min, wear was not significantly higher than in unbrushed controls. It is concluded that for protection of dentin surfaces at least 30 min should elapse before toothbrushing after an erosive attack.


  

Author Contacts

Prof. Dr. T. Attin
Department of Operative Dentistry, Preventive Dentistry and Periodontology
Georg August University Göttingen, Robert-Koch-Strasse 40
DE–37075 Göttingen (Germany)
Tel. +49 551 392884, Fax +49 551 392037, E-Mail thomas.attin@med.uni-goettingen.de

  

Article Information

Received: March 13, 2003
Accepted after revision: June 12, 2003
Number of Print Pages : 5
Number of Figures : 0, Number of Tables : 1, Number of References : 36

  

Publication Details

Caries Research (Journal of the European Organization for Caries Research (ORCA))
Journal founded 1967 by Y. Ericsson; edited 1970–1987 by K.G. König; 1987–1994 by J.M. ten Cate; 1994–2000 by J. Tenovuo

Vol. 38, No. 1, Year 2004 (Cover Date: January-February 2004)

Journal Editor: R.P. Shellis, Bristol
ISSN: 0008–6568 (print), 1421–976X (Online)

For additional information: http://www.karger.com/journals/cre


Article / Publication Details

First-Page Preview
Abstract of Original Paper

Received: 3/13/2003
Accepted: 6/12/2003
Published online: 12/29/2003
Issue release date: January–February 2004

Number of Print Pages: 5
Number of Figures: 0
Number of Tables: 1

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

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


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