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Kim, Jeong, Yun, Kim, Yoon, Lee, and Lee: Effects of plaque control according to professional toothbrushing and oral health education of orthodontic patients
Original Article

J Korean Acad Oral Health 2018;42(2):40-45.

Published online: 15 June 2018

DOI: https://doi.org/10.11149/jkaoh.2018.42.2.40

Effects of plaque control according to professional toothbrushing and oral health education of orthodontic patients

Yun Ju Kim1, Ho Jin Jeong1, Jung Won Yun1, Yea Hwang Kim1, Hyun Seo Yoon1, 2, Sun Mi Lee3, Jung Hwa Lee1, 2,

1Department of Biomedical Health Science, Graduate School, Dong-Eui University, Busan, Korea

2Department of Dental Hygiene, Dong-Eui University, Busan, Korea

3Department of Dental Hygiene, Dongnam Health University, Suwon, Korea

Corresponding Author: Jung Hwa Lee Department of Dental Hygiene, Dong-Eui University, 176 Eomgwang-ro, Busanjin-gu, Busan 47340, Korea Tel: +82-51-890-4239 Fax: +82-51-505-6878 E-mail: yamako93@deu.ac.kr

Received 19 April 2018       Accepted 8 June 2018

Copyright © 2018 by Journal of Korean Academy of Oral Health

This is an open-access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0/), which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Objectives

This study aimed to contribute to the development of an oral health education program on organized professional toothbrushing by determining its effects on plaque control in patients undergoing orthodontic treatment.

Methods

The subjects in the experimental group participated in the professional toothbrushing and oral health education weekly for 4 weeks, and those in the control group participated in the same program without professional toothbrushing education.

Results

The difference in knowledge, attitude, and behaviors on oral health was higher among the experimental group who underwent professional toothbrushing and oral health education program than those in the control group. The effects of toothbrushing time on the plaque index were significantly lower in experimental group than those in the control group.

Conclusions

It is suggested that adequate oral health and professional toothbrushing education program should be implemented to improve oral health.

Keywords: Orthodontic paitents, Professional toothbrushing, Dental plaque control

References

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Table 1.
Oral health knowledge, attitude and behavior differences between experimental group and control group according to professional toothbrushing and oral health education
Variables Experimental group
 Control group
 t P-value
M±SD M±SD
Knowledge 6.87±1.55 7.27±1.58 0.700 0.490
Attitude 40.67±3.77 37.40±4.19 0.662 0.033*
Behavior 40.60±3.60 37.33±4.53 0.255 0.037*

*P<0.05 by t-test.

Table 2.
Changes in dental plaque index according to the time of professional toothbrushing
Factor Sum of squares Degree of freedom Mean square F P-value
In group
Time 1.548 3 0.516 21.895 <0.001***
Time x group 2.039 3 0.680 28.842 <0.001***
Between groups
Object (Experimental group, Control group) 3.082 1 3.082 4.477 0.043*

***P<0.001, *P<0.05 by repeated measured ANOVA.

Table 3.
Measurement point dental plaque index
Contents 1 week 2 week 3 week 4 week F P-value
Experimental group 2.43±0.40 2.25±0.44 2.02±0.44 1.79±0.40 40.865 <0.001***
Control group 2.45±0.44 2.40±0.41 2.44±0.46 2.48±0.49 0.893 0.392
t 0.109 0.988 2.521 4.259
P 0.914 0.332 0.018* <0.001***

***P<0.001 by repeated measured ANOVA, *P<0.05 by t-test.

Table 4.
Changes in dental gingival bleeding index according to the time of professional toothbrushing
Factor Sum of squares Degree of freedom Mean square F P-value
In group
Time 0.212 3 0.071 3.424 0.021*
Time x group 0.632 3 0.211 10.228 <0.001***
Between groups
Object (Experimental group, Control group) 2.078 1 2.078 2.727 0.110

***P<0.001, *P<0.05 repeated measured ANOVA.

Table 5.
Measurement point gingival bleeding index
Contents 1 week 2 week 3 week 4 week c2 P-value
Experimental group 1.78±0.54 1.57±0.55 1.35±0.55 1.11±0.54 45.000 <0.001***
Control group 1.81±0.57 1.61±0.57 1.47±0.59 1.38±0.60 45.000 <0.001***
t ―0.083 ―1.198 ―2.186 ―2.833
P 0.934 0.231 0.029* 0.005**

***P<0.05 by Friedman test, **P<0.01, *P<0.05 by Mann-Whitney U test.

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