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http://dx.doi.org/10.17135/jdhs.2015.15.2.220

Variation in the Index of Dental Plaque Removal and Practice Assessment after Instruction on Toothbrushing  

Kim, Ki-Eun (Department of Dental Hygiene, College of Health Science, Eulji University)
Ahn, Eunsuk (Department of Social and Humanity in Dentistry, Wonkwang University School of Dentistry)
Han, Ji-Hyoung (Department of Dental Hygiene, Suwon Science College)
Publication Information
Journal of dental hygiene science / v.15, no.2, 2015 , pp. 220-225 More about this Journal
Abstract
This study was conducted to examine O'leary index, patient hygiene performance (PHP) index, and toothbrushing practice assessment in subjects of college students in 20s who had been randomly selected. The purpose of this study is to examine if it is easy for rolling method which is recommended by many dental professionals in Korea to implement and to effectively remove dental plaque. Also, the correlations between dental plaque index and toothbrushing practice assessment with the course of time was confirmed, after instruction session on toothbrushing was provided. STATA 11.0 (StataCorp) was used for analysis. There was no significant difference on the three ways of O'leary index, PHP index, and toothbrushing practice assessment in using rolling method, bass technique and toothpick method when comparing the average resulting from first to third instruction session on toothbrushing. O'leary index, PHP index, and toothbrushing practice assessment were inspected with Kruskal-Wallis test which is used for non-parametric statistics. They were checked three times: the first, before the toothbrushing instruction was given; the second, two weeks after the toothbrushing session was given; and the third, 4 weeks after the session. The results are as follows: O'leary index stood at the lowest in the first experiment but showed the highest in the second (p=0.0001). PHP index was the highest level in the first trial and decreased in the second time, but increased again in the last examination (p=0.0001). Toothbrushing practice assessment also showed a similar tendency with PHP index (p=0.0001). In conclusion, rolling method is not the best option for everyone, and it is thought that more various toothbrushing ways need to be reviewed and recommended to people. Also, institutional framework is required for the continuous education on toothbrushing to be in place as the effectiveness of the education is decreased with time.
Keywords
Dental plaque; O'leary index; Patient hygiene performance index; Toothbrushing;
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