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Son, Lim, Ma, and Park: Abrasion of resin infiltrated enamel by tooth brushing
Original Article
Journal of Korean Academy of Oral Health

Journal of Korean Academy of Oral Health 2013; 37(1): 9-15.

Published online: 31 March 2013

DOI: https://doi.org/10.11149/jkaoh.2013.37.1.9

Abrasion of resin infiltrated enamel by tooth brushing

Jung-Hui Son1, Do-Seon Lim2, Deuk-Sang Ma3, Deok-Young Park3

1Department of Dental Hygiene, Daewon University College, Jecheon, Korea.

2Department of Dental Hygiene, Eulji University College of Health Science, Seongnam, Korea.

33Department of Preventive and Public Health Dentistry, Gangneung-Wonju National University College of Dentistry, Research Institute of Oral Science, Gangneung, Korea.

Corresponding Author: Deok-Young Park. Department of Preventive and Public Health Dentistry, Gangneung-Wonju National University College of Dentistry, 7 Jukheon-gil, Gangneung 210-702, Korea. Tel: +82-33-640-3185, Fax: +82-33-642-6410, jguitar@gwnu.ac.kr

Received 11 March 2013       Revised 19 March 2013       Accepted 23 March 2013

Copyright © 2013 by Journal of Korean Academy of Oral Health

(open-access):

This is an open-access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0/), which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Objectives

The purpose of this study was to evaluate abrasion of Icon® infiltrated, sound bovine enamel by using confocal laser scanning microscopy (CLSM) after toothbrush abrasion tests.

Methods

Sound bovine enamel specimens whose Vickers Hardness Number ranged from 280 to 320 were prepared. To measure abrasion, specimens were allocated to groups on the basis of tooth brushing stroke frequencies. Tooth brushing stroke frequencies were categorized into 5 groups: 1,800, 5,400, 10,800, 21,600 and 43,200 strokes. Both infiltration depth of Icon® and the abrasion depth were measured by CLSM.

Results

Mean infiltration depth of Icon® for sound bovine enamel was 98.6 µm. There was no statistically significant difference in enamel abrasion depth between groups with 5,400 strokes and 10,800 strokes, but the abrasion depth increased with further increase in tooth brushing stroke frequencies (P<0.001). The mean abrasion depth of resin infiltrated bovine enamel after 43,200 tooth brushing strokes was 17.45 µm.

Conclusions

The magnitude of abrasion after 43,200 tooth brushing strokes, which corresponds to brushing 3 times a day for 4 years, was less than 20 µm. This result suggests that abrasion by tooth brushing would not be a clinical problem for resin infiltrated enamel.

Keywords: Dental caries, Dental sealant, Enamel wear, Infiltration, Toothbrush abrasion

Figures and Tables

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Table 1
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Notes

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