JKAOH Journal of Korean Academy of Oral Health

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

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  • Original Article 2022-12-31

    The effect of depression on tooth brushing frequency in the elderly in Korea

    Seung-Yeon Wi , Gyu-Bin Kim , Gaeun Lee , Jinseub Hwang , Yunsook Jung

    Abstract : Objectives: This study aimed to identify the relationship between mental health problems and oral health in older adults.Methods: The participants of this study were older adults aged 65 years or older. The study used the data of 16,489 people who responded to the 7th Korean National Health and Nutrition Examination Survey. Multiple logistic regression analysis was performed to evaluate the effect of depression on the frequency of tooth brushing when confounding factors such as income quintile and smoking were considered. Statistical software, SAS 9.4 ver. (SAS Institute, Cary, NC) was used.Results: Depressed older adult participants were 1.3 times more likely to brush their teeth less than three times a day than non-depressed participants, which was statistically significant. In women with depression, the odds of brushing their teeth less than three times a day were 1.5 times higher than those without depression, which was statistically significant.Conclusions: Depression in older adults is correlated with the number of tooth brushes per day. Moreover, depression in women affects their number of tooth brushes.

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  • Editorial 2022-06-30

  • Original Article 2022-09-30

    The effects of dental hygiene student’s adult attachment style and social support on adaptation to college life

    Mihyun Choi , Heehong Min

    Abstract : Objectives: This study aims to seek positive measures for students in a dental hygiene program to adapt well to college life by analyzing the effects of their adult attachment styles and social support on their adaptation to college life.Methods: Data were collected from June 1 to August 30, 2021. It was conducted with a self administered questionnaire. In consideration of the dropout rate, the study recruited 200 participants. Data analysis was performed using IBM SPSS Statistics for Windows, Version 22.0.Results: Regarding correlations with adaptation to college life, the analysis revealed positive correlations for adult attachment styles and social support. Significant correlations were seen in the following factors affecting adaptation to college life: satisfaction with college life_dummy 2, satisfaction with major_dummy 1, and adult attachment styles. The factor with the strongest effect (35.7%) on adaptation to college life was adult attachment styles.Conclusions: Factors affecting college life adaptation were found to affect college life adaptation as college life satisfaction, major satisfaction, and adult attachment type increased. System support is needed to develop a counseling program tailored to college life by adult attachment type to increase college life satisfaction and major satisfaction.

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  • Original Article 2023-03-31

    A machine learning based decision tree analysis of influential factor for the number of remaining teeth in Korean adults

    Su-Yeon Hwang , Jung-Eun Park

    Abstract : Objectives: This study aims to investigate the effect of determinants on the number of remaining teeth in Korean adults using a machine learning-based decision tree analysis.Methods: The study used data from the Korea National Health and Nutrition Examination Survey (KNHANES) VII (2016-2018) and a decision-tree analysis to explain the causes for the number of remaining teeth in adults. The determinants for the study are sex, age, house income, education level, diabetes, BMI, smoking, alcohol drinking, tooth brushing per day, and periodontitis.Results: Age had the most significant effect on the number of remaining teeth, followed by house income.Conclusions: This research is meaningful as it provides a systematic index in the number of remaining teeth in Korean adults based on a combination of numerous variables. These variables have already been validated against the results of previous studies that have attempted to elucidate new variables affecting the number of remaining teeth.

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  • Original Article 2023-03-31

    Evaluation of fracture strength and translucency of 3D printing resin crown for carious primary anterior tooth

    Young-Jun Ham , Joon-Haeng Lee , Jong-Su Kim , Jong-Bin Kim , Mi-Ran Han , Ji-Sun Shin

    Abstract : Objectives: The purpose of this study was to compare the fracture strength and traslucency of 3D printing resin crowns according to different thicknesses.Methods: Resin crowns were designed with CAD software and a 3D scanner, using scanned data of the #61 tooth model. Resin Crowns with different thicknesses were printed using a 3D printer, and subsequently divided into four groups according to thickness (0.3, 0.5, 0.7, and 1.0 mm). Fracture strength was compared among groups with a resin strip crown of 1.0 mm thickness. Compressive force was applied using a universal testing machine at 30° along the lingual surface at 1 mm/min cross head speed. For translucency evaluation, thin square specimens were printed of thicknesses 0.3, 0.5, 0.7, and 1.0 mm, and translucency was measured using a spectrophotometer.Results: As a result of fracture strength measurement, fracture strength increased as thickness increased, and a significant difference was observed solely between thicknesses of 0.3 and 0.5 mm, and the thicknesses of 0.3 and 0.5 mm (P

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  • Original Article 2022-12-31

    A study on the bristles of commercial toothbrush in Korea

    Do-Won Kim , Ji-Eun Kim , Choong-Ho Choi

    Abstract : Objectives: This study aimed to investigate the bristle tip morphology of toothbrushes sold in the Korean market.Methods: Tufts were taken from each of the 69 different toothbrushes that were selected. The bristle specimens thus prepared were observed under a phase-contrast microscope. The images taken by the microscope were then classified as round, tapered, or mixed. The proportion of acceptable rounded-end bristles and tapered bristles was then determined.Results: Of the randomly selected 69 toothbrushes, 42 were domestic and 27 were imported. Of the domestic toothbrushes, the proportion of acceptable toothbrushes was 52.4%, whereas the corresponding proportion was 77.8% for imported products. In terms of classification based on tooth brushing techniques, 55.0% of all manual toothbrushes had round-ended bristles. Moreover, based on classification by age, 67.2% of the toothbrushes for adults were acceptable and 75.0% of tooth brushes for children were termed non-acceptable.Conclusions: The majority of toothbrushes sold in the Korean markets have acceptable bristles. However, not one toothbrush had 100% acceptable bristles. The manufactures should improve their manufacturing processes to produce bristles of the intended quality.

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  • Original Article 2022-12-31

    Oral malodor prevention effect of toothpaste containing 0.5% zinc citrate and 1,450 ppm fluoride

    Sung-Gin Kim , Suk-Bin Jang , Jae-Young Lee , Ja-Won Cho

    Abstract : Objectives: This study aims to verify the effect of the use of a toothpaste containing 0.5% zinc citrate and 1,450 ppm fluoride on oral malodor.Methods: In this study, the experimental group using the experimental toothpaste and the control group using the standard toothpaste control toothpaste were allowed to use each toothpaste for 4 weeks and then a clinical test to measure the change in bad breath was conducted. A study was conducted to evaluate the reduction effect. Efficacy was evaluated by conducting BB checker test and Oralchroma test three times in total before the testing 2 weeks and 4 weeks after the test.Results: As a result of measuring the degree of bad breath using the BB checker, before the start of the test, the experimental group was 46.3 and the control group was 47.2. After 2 weeks of the test, the experimental group was 38.5 and the control group was 44.2 and after 4 weeks the experimental group was 29.6 and the control group was 39.2. There was a significant difference between the experimental group and the control group after 4 weeks of the test (P

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  • Original Article 2022-12-31

    A suggestion of the new oral health care system for the caregivers at the long-term care facilities

    Ji-A Park , Sol Han , Bo-Hyoung Jin

    Abstract : Objectives: This study aims to suggest ways to improve the oral care competencies of caregivers by strengthening oral care services for the elderly with mobility difficulties in long-term care facilities.Methods: Through a web survey, 215 caregivers were invited, their actual situation was identified, and necessary educational tasks were listed. We developed 16 types of card news, two types of songs, and four types of video clips that can be used in the field for the listed educational topics. Several meetings with expert developers resulted in developing the components and design of an oral health management platform for caregivers in long-term care facilities.Results: As a result of the web survey, many caregivers in long-term care facilities needed education or information on oral care methods, and many people felt difficulties in oral care for the elderly. About 40% of the caregivers had no experience in oral health education, and many learned how to care through unsystematic apprenticeships. Most of the education content that caregivers prioritized were brushing teeth and denture management, but there were also needs such as management of dementia and bedridden patients, non-cooperative oral care, nutrition management, and oral auxiliary products use.Conclusions: In conclusion, this study reviewed and suggested digital platforms such as strengthening caregivers’ competency in long-term care facilities, providing customized educational information, discovering oral problems of the elderly, and reporting oral difficulties to experts.

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  • Original Article 2023-03-31

    Effect of oral health-related self efficacy and social support on oral health-related quality of life among adolescents

    Boo Young Choi , Heung-Soo Lee , Hyo-Won Oh

    Abstract : Objectives: This study aimed to examine the effects of oral health-related self efficacy and social support on oral health-related quality of life, and analyze the related factors.Methods: A cross-sectional study was carried out on 979 high school students living in Iksan. Data were collected from January 15 to 30, 2014. Individual self-administered surveys were conducted through the sampling method. The contents of the survey were the characteristics of the subjects, oral health-related self efficacy (OHSE), social support related to oral health (OHSS), and quality of life related to oral health (QHRQoL). A survey tool designed by the author was used to measure OHSE and OHSS. QHRQoL used Child Oral Health Impact Profile-Short Form 19 (COHIP-SF 19) for examination. The statistical analysis methods used were mean difference, correlation, and multiple regression analyses.Results: QHRQol was correlated with OHSE, but not OHSS. Per the multivariate analysis, factors that affected QHRQoL were gender, mother’s education level, academic stress, and OHSE; OHSS did not have any effect.Conclusions: It was found that OHSE influenced QHRQoL. Therefore, it is necessary to develop education programs that can enhance OHSE.

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  • Original Article 2022-12-31

    Exploration of the experience of caregivers for oral health care for the elderly in long-term care facilities: based on the grounded theory

    Ji-A Park , Sol Han , Bo-Hyoung Jin

    Abstract : Objectives: This study aims to explore the experience of caregivers in oral health care of the elderly in long-term care facilities, identify the problems, and collect opinions, and to seek improvement directions for strengthening competency and improving services of oral health care for the elderly.Methods: Data on the experience in oral health care of the elderly were collected through focus group interviews (FGI) targeting caregivers in long-term care facilities. The grounded theory method was used. The interview content was categorized by open coding, and a paradigm model was presented by identifying the relationship between the categories through axial coding. Selective coding found core categories.Results: As a result of categorizing the caregivers’ oral care experience of the elderly, 15 categories, 40 sub-categories, and 125 concept/phenomena codes were derived. The central phenomenon was the difficulty of implementing sustainable oral health care. The deterioration of the mental and physical functions of the elderly, the work characteristics of caregivers, and the lack of linkage with internal and external resources of the facility acted as causal conditions for the central phenomenon. The caregiver’s oral health education experience acted as an intervening condition. In an effort to improve the problem, an interaction strategy was derived.Conclusions: It is possible to seek delivery of sustainable oral health care services by caregivers by improving the quality of oral health education and establishing an oral health care service system for the elderly.

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March 2024
Vol.48 No.1

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