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Kim, Han, Lee, Kim, Kim, Lee, and Kim: Periodontal health status of adolescents aged 15 years in Jinju city
Original Article

J Korean Acad Oral Health 2018;42(3):84-89.

Published online: 15 September 2018

DOI: https://doi.org/10.11149/jkaoh.2018.42.3.84

Periodontal health status of adolescents aged 15 years in Jinju city

Se-Yeon Kim1, 2, Sang-Jun Han1, Jung-Ha Lee1, Ji-Soo Kim1, 2, Han-Na Kim3, Ju-Youn Lee4, Jin-Bom Kim1, 2,

1Department of Preventive and Community Dentistry, School of Dentistry, Pusan National University, Korea

2BK21 PLUS Project, School of Dentistry, Pusan National University, Yangsan, Korea

3Department of Dental Hygiene, College of Health and Medical Sciences, Cheongju University, Cheongju, Korea

4Department of Periodontology, School of Dentistry, Pusan National University, Yangsan, Korea

Corresponding Author: Jin-Bom Kim Department of Preventive and Community Dentistry, School of Dentistry, Pusan National University, 49 Busandaehak-ro, Mulgeum-eup, Yangsan 50612, Korea Tel: +82-51-510-8223 Fax: +82-51-510-8221 E-mail: jbomkim@pusan.ac.kr

Received 29 May 2018       Revised 26 June 2018       Accepted 26 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

The purpose of this study was to evaluate the periodontal status of adolescents aged 15 years in Jinju city.

Methods

The study subjects were 506 adolescents aged 15 years in Jinju city. We investigated the prevalence and severity of periodontal disease using the Community Periodontal Index (CPI) recommended by the WHO. Data on the frequency of daily tooth-brushing were collected through self-reported questionnaires. The information obtained on both the periodontal health status and frequency of daily toothbrushing of adolescents in Jinju city was compared with the data from the 6th Korea National Health and Nutrition Examination Survey 2013-2015 (KNHANES-VI). The software utilized in the analysis was SPSS version 23. Statistical significance was set at P<0.05.

Results

The rate of healthy periodontal status in Jinju city was lower compared to KNHANES-VI (57.7% versus 63.7%). The rate of gingival bleeding in Jinju city and KNHANES-VI was 11.3% and 10.8%, respectively. The rate of calculus in Jinju city and KNHANES-VI was 31.0% and 25.6%, respectively. The rates of gingival bleeding and calculus were not significantly different between Jinju city and KNHANES-VI. The healthy periodontal segments in Jinju city were more than those in KNHANES-VI (5.43 versus 5.25). The bleeding periodontal segments in Jinju city were less than those in KNHANES-VI (0.25 versus 0.45). However, the periodontal segments with calculus in Jinju city were not significantly different from those of KNHANES-VI (0.31 versus 0.30). The frequency of daily tooth-brushing in Jinju city was more than that in KNHANES-VI (2.67 versus 2.47).

Conclusions

These findings suggest that appropriate oral health education should be widely conducted to promote periodontal health in adolescents.

Keywords: Adolescent, Community periodontal index, Oral health behavior, Oral health education, Periodontal status, Tooth-brushing

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Table 1.
Periodontal status in KNHANES and Jinju city by gender
Total
 Male
 Female
 P*
N % N % N %
KNHANES†
Healthy 142 63.7 77 60.6 65 67.7 0.172
Bleeding 24 10.8 14 11.0 10 10.4 0.532
Calculus 57 25.6 36 28.3 21 21.9 0.173
Jinju
Healthy 292 57.7 243 58.8 49 52.7 0.166
Bleeding 57 11.3 48 11.6 9 9.7 0.372
Calculus 157 31.0 122 29.5 35 37.6 0.082

*By chi-squared test.

† KNHANES: the 6th survey 2013-2015.

Table 2.
Periodontal status in KNHANES and Jinju city
KNHANES†
 Jinju
 P*
N % N %
Healthy
Total 142 63.7 292 57.7 0.076
Male 77 60.6 243 58.8 0.400
Female 65 67.7 49 52.7 0.025
Bleeding
Total 24 10.8 57 11.3 0.282
Male 14 11.0 48 11.6 0.498
Female 10 10.4 9 9.7 0.310
Calculus
Total 57 25.6 157 31.0 0.079
Male 36 28.3 122 29.5 0.445
Female 21 21.9 35 37.6 0.013

*By chi-squared test.

† KNHANES: the 6th survey 2013-2015.

Table 3.
Periodontal status of only calculus and calculus with bleeding
KNHANES†
 Jinju
 P*
N % N %
Calculus with bleeding
Total 11 4.9 33 6.5 0.258
Male 8 6.3 26 6.3 0.570
Female 3 3.1 7 7.5 0.152
Only calculus
Total 46 20.6 124 24.5 0.148
Male 28 22.0 96 23.2 0.441
Female 18 18.8 28 30.1 0.049

*By chi-squared test.

† KNHANES: the 6th survey 2013-2015.

Table 4.
The number of segments with healthy, bleeding and calculus periodontium (mean±standard deviation)
KNHANES† Jinju P*
Healthy
Total 5.25±1.37 5.43±0.79 0.020
Male 5.15±1.46 5.45±0.78 0.003
Female 5.38±1.23 5.37±0.83 0.951
Bleeding
Total 0.45±1.23 0.25±0.60 0.004
Male 0.50±1.28 0.25±0.60 0.003
Female 0.39±1.16 0.25±0.60 0.306
Calculus
Total 0.30±0.60 0.31±0.47 0.740
Male 0.35±0.67 0.30±0.46 0.356
Female 0.24±0.50 0.39±0.51 0.046

*The data were analyzed by t-test (P<0.05).

† KNHANES: the 6th survey 2013-2015.

Table 5.
Frequency of daily tooth-brushing (mean±standard deviation)
KNHANES† Jinju P*
Total 2.47±0.79 2.67±0.88 0.003
Male 2.24±0.77 2.59±0.87 <0.001
Female 2.78±0.71 3.04±0.81 0.019

*The data were analyzed by t-test (P<0.05).

† KNHANES: the 6th survey 2013-2015.

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