JKAOH Journal of Korean Academy of Oral Health

ISSN(Print) 1225-388X ISSN(Online) 2093-7784

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  • Original Article 2023-06-30

    Association between oral health status and school loss in adolescents

    In-Ja Kim , Dong-Yeon Lee , Hyo-Won Oh , Heung-Soo Lee

    Abstract : Objectives: This study aimed to investigate the association between school loss due to dental disease and oral health status in adolescents.Methods: The study participants were 881 adolescents (453 middle and 428 high school students). Data were collected through a self-administered survey and oral examination. Chi-square test and t-test were used to analyze the association between school loss due to dental disease and oral health status, and multiple logistic regression was used to analyze the factors influencing school loss.Results: Dental caries was the leading cause of school loss. School loss due to dental disease was more prevalent in the group with a higher number of carious teeth than in the group without dental caries. According to bivariate analysis, school loss due to dental disease was associated with toothache, gingival bleeding, maxillofacial trauma, and caries. When controlling demographic variables, gingival bleeding, maxillofacial trauma, and dental caries were associated with school absence. Moreover, maxillofacial trauma was associated with school absence period up to 1 year.Conclusions: Therefore, oral health status and school loss of adolescents are associated, and the importance of oral health in adolescents should be emphasized.

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  • Corrigendum 2023-03-31

  • Original Article 2023-09-30

    Classification of dental caries pattern in 12-year-old Korean adolescents by multivariate analysis

    In-Ja Kim , Heung-Soo Lee , Hyo-Won Oh

    Abstract : Objectives: The purpose of this study was to analyze the pattern of dental caries in 12-year-old Korean adolescents through multivariate analysis. Methods: This study used raw data from the 2015 Korea Children’s Oral Health Survey. The study participants were 12-year-old adolescents. A total of 27,291 people participated in the questionnaire and oral test. The statistical analysis methods used were multidimensional scaling, cluster analysis, and factor analysis. Results: The result was derived after analyzing the dental caries pattern of teeth and tooth surface by multi-dimensional scaling method, cluster analysis method, and factor analysis. Morphologically homologous teeth were gathered to form clusters. Caries occurrence showed a more similar caries experience pattern when the types of tooth surfaces, such as occlusal and occlusal surfaces, were the same than when they were different. Conclusions: Epidemiological data on the pattern of dental caries in 12-year-old adolescents can be used as basic data to create evidence-based dental caries management plans.

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  • Original Article 2023-09-30

    Risk factors for dental caries and severe periodontitis in Korean adults: analysis with the 2016-2018 Korea National Health and Nutrition Examination Survey data

    Se-Hwan Jung

    Abstract : Objectives: The purpose of this study was to analyze the risk factors for dental caries and severe periodontitis using the data from the 7th Korea National Health and Nutrition Examination Survey (KNHANES) for improving the lifestyle risk assessment and oral health education in national adult dental examination program. Methods: The participants included 7,301 adults aged 19-59 years for dental caries analysis and 4,886 adults aged 40-59 years for severe periodontitis analysis. Self-care of oral hygiene (brushing teeth frequency, brushing teeth before bed, use of interdental brush or floss), sugar intake, and smoking were selected as risk factors related to oral health. The other risk factors included socio-demographic characteristics (age, gender, region, household income, education), dental care utilization (dental examination, unmet dental needs), and systematic diseases (hypertension, diabetes, high cholesterol). The association between the target diseases and risk factors was analyzed using a complex samples logistic regression model. Results: Dental caries was negatively associated with brushing teeth frequency, interdental brushing or flossing, sugar intake, and age; and positively associated with smoking and oral examination. Severe periodontitis was positively associated with smoking, diabetes, age, and region (eup/myeon). Gender (male), household income (low), and unmet dental care (yes) were positively associated with dental caries or severe periodontitis. Conclusions: It was possible to obtain evidence of lifestyle factors (self-care oral hygiene, sugar intake, smoking) affecting the target disease (dental caries or periodontal disease) for the national adult dental examination program. However, there were limitations in estimating causality as this was a cross-sectional study, and the explanatory power of the risk model was low. Therefore, it is necessary to conduct a cohort study of the adult dental examination program to obtain a higher level of evidence on the risk factors of the target diseases.

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  • Original Article 2023-06-30

    Experience, educational needs and perception of dentine hypersensitivity of dental hygienists

    Ji-Eun Noh , Hyun-Sook Bae

    Abstract : Objectives: This study investigates dental hygienists’ experience, education, and awareness of dentin hypersensitivity. Its purpose is to provide a basis for the development of preventive procedures and educational materials for dentin hypersensitivity.Methods: After distributing the questionnaire, Oral health characteristics of dental hygienists and the general public were investigated. In addition, the experience of dentin hypersensitivity according to general characteristics and the need for education were confirmed. The collected data were analyzed by frequency analysis, descriptive statistical analysis, unpaired t-test, and one-way ANOVA.Results: There was no difference in the experience of dentin hypersensitivity according to oral health-related or general characteristics in the dental hygienist group. In terms of oral health, there was a difference in educational requirements for dentin hypersensitivity for ‘family support for oral health’.Conclusions: The experience of dentin hypersensitivity in this study can be used as data for the development of a Korean dentin hypersensitivity experience questionnaire. The educational requirements and perception of dentine hypersensitivity will help develop educational materials from the patient’s perspective. Moreover, they will be essential for practical education on dentine hypersensitivity in dental hygiene and educational processes.

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  • Corrigendum 2023-09-30

  • Editorial 2023-06-30

  • Original Article 2023-12-30

    A quantitative comparison of oral microbiota using various sample collection methods: a pilot study

    Sang-Uk Im , Ji-Hye Kim , Keun-Bae Song , Youn-Hee Choi

    Abstract : Objectives: This study aimed to compare each strain’s number of microorganisms found in oral samples collected using various collection methods. Methods: Twenty-two adults aged 40 and above participated in the study. Oral samples were collected from subjects using three different methods (stimulated saliva, oral biofilm, and calculus), and the collected samples were analyzed using the multiplex real-time Polymerase chain reaction (PCR) method. Results: The study included 22 subjects (2 men, 20 women) with an age range of 40-75 years. Healthy oral condition was observed in 10 subjects, while the remaining 12 had periodontitis. The saliva and biofilm collection methods for oral microorganisms detected Porphyromonas gingivalis (Pg), Tannerella forsynthesis (Tf), and Fusobacterium nucleatum (Fn), which are the causative bacteria of periodontal disease, more effectively compared with the calculus group. In addition, the saliva group showed a better ability to detect Streptococcus mutans (Sm) which causes dental caries, compared with the biofilm and calculus groups. Comparisons based on the presence or absence of periodontitis and the collection method revealed a statistically significant difference in the number of oral microorganisms only in case of Sm strain. Conclusions: The frequency of expression of certain strains varies according to the method of collection of oral microorganisms. Further, the saliva and biofilm methods of collecting oral microorganisms are more suitable for quantitative analysis of bacteria causing periodontal disease.

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  • Brief Letter 2023-12-30

    Constructing a non-face-to-face oral health care service model using my data: proposal

    Seon-Jip Kim , Seung-Hee Ryu , Ji-Na Lim , Hye-Jin Kwon , Zi-Lan Wang , Jae-Young Lee , Hyun-Jae Cho

    Abstract : This study focuses on the importance of non-face-to-face healthcare, based on the experience with the COVID-19 pandemic, and proposes a model for oral health management services utilizing personal data, known as “my data.” The model aims to develop a comprehensive system that collects and integrates individual health records for easy access. It includes assessing oral health through oral examination records and surveys, creating risk assessment algorithms tailored to various population groups, and standardizing medical terms and data. The goal is to accurately evaluate individual oral health conditions and provide personalized services. However, the success of the model requires considerations such as platform management, user experience enhancement, and medical data security. The research proposes possibilities for further investigation to enhance the oral health service model. This study introduces a novel approach to individual health management, establishing the foundation of effective health management even in non-face-to-face settings.

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  • Original Article 2023-12-30

    Research on dental service utilization and untreated conditions among Koreans aged 65 and above

    Ji Eon Jang , Sung Hee Jun , Sun Rak Jeong

    Abstract : Objectives: This study used data from the seventh National Health and Nutrition Survey, a dataset which signifies that dental services in the country exhibit relatively low health insurance coverage and high copay rates compared to other medical healthcare services. We surveyed the utilization rate of dental care and the prevalence of untreated conditions among Korean elders aged over 65. Furthermore, we aimed to present policy implications to improve dental care accessibility and expand health insurance coverage for elders, especially vulnerable individuals who are bedridden or living alone. Methods: We used raw data from the seventh National Health and Nutrition Survey to investigate Korean elders’ dental service utilization and untreated conditions. We opted for elders aged over 65 and finalized 1,712 subjects for the analysis. Statistical analysis was performed using IBM SPSS 25.0 (IBM Corp., Chicago, IL, USA). Groups were detailed in terms of strata of variation estimation and elders aged over 65, cluster of district enumeration, and weighted oral survey. We generated a scheme file and employed complex sampling analysis with a statistical significance level of P

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December 2023
Vol.47 No.4

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JKAOH Journal of Korean Academy of Oral Health
ISSN(Print) 1225-388X ISSN(Online) 2093-7784