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Abstract : Objectives: The purpose of this study is to investigate the trend of dental caries inequalities according to the household income level of children and adolescents, using data from Wave 4 (2007-2009) to Wave 7 (2016-2018) of the Korea National Health and Nutrition Examination Survey (KNHANES).Methods: The raw data were obtained from the website of KNHANES. The data by year within each wave were integrated and used for the analysis. In accordance with the guidebook for data users, the experience rate and prevalence rate of dental caries in primary and permanent teeth were estimated. Additionally, the absolute difference (AD) between the lowest and highest household income levels and the prevalence ratio (PR) by household income level were calculated.Results: The AD in the experience rate of dental caries showed a tendency to marginally decrease in primary teeth and moderately increase in permanent teeth. The PR was not statistically significant (P>0.05) in all waves. The AD in the prevalence rate of dental caries decreased by 5.4% and 8.2% in primary and permanent teeth, respectively. The PR in Wave 7 showed that all statistical significance disappeared (P>0.05).Conclusions: In Korean children and adolescents, dental caries inequalities by household income level showed a tendency to gradually decrease in primary or permanent teeth, and statistical significance was no longer confirmed.
, Ji-Eun Kim , Choong-Ho Choi Abstract : Objectives: This study examines the pH and titratable acidity of pomegranate drinks sold in Korea to identify the risk of dental erosion, and to provide basic data for oral health when consuming such drinks. Methods: The experiment included 5 groups: As experimental drinks, Sunkist pomegranate (Group A), Beauty liked pomegranate (Group B), Pomegranate juice 100 (Group C) were selected, and Jeju Samdasoo and Coca-Cola were selected for negative and positive controls. The components of the experimental beverage were analyzed, and the degree of erosion was measured using the Vickers hardness number (VHN) and by scanning electron microscope images. Results: When comparing the surface microhardness before and 30 minutes after beverage immersion, there was a significant difference in the positive control group, Group A, Group B, and Group C (P0.05). The difference in surface microhardness (ΔVHN) was found in Group C (-117.33±17.41), Group A (-112.90±15.19), the positive control group (-103.80±13.23), Group B (-90.82±24.60), and the negative control group (-13.44±14.60), in that order. The positive control group, Group A, Group B, and Group C showed a significant difference from the negative control group (P
, Ji-Hee Kim Abstract : Objectives: This study aimed to objectively evaluate factors associated with musculoskeletal disorders by measuring the range of motion of the cervical spine. Using three-dimensional motion analysis, the degree of flexion, lateral flexion and rotation were compared between dental hygiene students and dental hygienists during dental scaling. Methods: Muscle activity in the range of motion of the cervical vertebrae was measured in 35 dental hygiene students and 15 dental hygienists while scaling. Data were collected and processed using the biofeedback exercise function of the 2EM (4D-MT, Relive, Gimhae, Korea), an electromyography measuring device. A three-dimensional motion analysis sensor was attached to the subject’s right external auditory canal, and the joint angle was measured at 20 Hz. Results: Cervical flexion (15°-45°) was measured higher in dental hygienists than in students. Cervical flexion within 15° of the normal range was higher in students than in dental hygienists. For cervical lateral flexion of 15°-45° and >45°, dental hygienists measured higher than students. In contrast, cervical lateral flexion within 15° of the normal range was higher among students than dental hygienists. Cervical rotation (15°-45°) was measured higher in dental hygienists than in students. No dental hygienist’s cervical rotation measured over 45°, and more students reached the 45° measurement than dental hygienists. Conclusions: Flexion, lateral flexion, and rotation were measured higher in dental hygienists then dental hygiene students. The results indicated that the range of motion of the cervical spine in the two groups exceeded the average scores for normal flexion, lateral flexion, and rotation by more than 15°, thereby increasing the risk of musculoskeletal disorders.
, Hye-Jin Lee Abstract : Objectives: This study aims to examine the factors affecting resilience in dental hygiene students. Methods: The participants were 200 dental hygiene students. Data were collected from June 1 to August 30, 2021 and analyzed using t-test, ANOVA, Pearson’s correlation coefficient, and multiple regression by using PASW Statistics 26.0. Results: Subjects’ mean scores of resilience, self-esteem, social support, and emotional intelligence were 2.99, 3.61, 3.78, and 3.25, respectively. There were significant differences in the level of resilience among credit, stress relief methods, subject health status, satisfaction of major, and aptitude for dental hygiene (P
Abstract : Objectives: This study aims to determine the degree of organizational commitment, positive psychological capital, and job embeddedness among clinical dental hygienists, as well as the factors that affect their job embeddedness. The goal then is to optimize the data to develop programs that will keep the hygienists from quitting their occupations. Methods: A self-reported questionnaire was filled out by 190 clinical dental hygienists from Feb 1 to April 30, 2021. Data were analyzed using SPSS 26.0. Results: Dental hygienists scored 3.30 points on job embeddedness. These factors accounted for 68.6% of the variance in dental clinic hygienists. The variables influencing job embeddedness were Position_dummy (general hygienist/senior hygienist) and organizational commitment. These factors had a variance of 68.6% among clinical dental hygienists. Conclusions: Job embeddedness of clinic dental hygienists is related to organizational commitment and positive psychological capital, and job embeddedness turned out to be the biggest effect factor. Therefore, developing programs and institutional support mechanisms for clinical dental hygienists is important to enhance their positive psychological capital and organizational commitment.
, Kyong-Hoon Shin , Ja-Won Cho , Ji-Hyeon Park Abstract : Objectives: The study evaluated the effects of dentifrice with the proper amount of ginkgo biloba extract in the prevention of gum disease through clinical trials. Methods: Total sixty volunteers from the experimental group using experimental dentifrice (30 volunteers) and the control group using control dentifrice (30 volunteers) should use the experimental and control dentifrice for 8 weeks. Before the experiment, and 1, 2, 4, 6, and 8 weeks after the experiment, the papillary marginal attached gingival Index (the PMA index), Talbott’s gingival index, patient hygiene performance index (PHP index), and Tureski’s dental plaque index test were tested six times. Results: As a result of the PMA index measurement, the experimental and control groups showed statistically significant differences after 6 weeks, and the experimental group showed a significant decrease in the PMA index from 4 weeks after the experiment. The patient hygiene performance index measurement results showed a statistically significant difference between the experimental group and the control group after 4 weeks, and the experimental group showed a significant decrease in the PHP index 2 weeks after the experiment. Conclusions: The use of ginkgo-leaf-extract-containing-dentifrice confirmed that improved dental plaque removal, gingivitis relief, and periodontal disease prevention could be expected.
, Hyang-Ah Park , Sun-Jang Lee , Ji-Eun Jeon Abstract : Objectives: This study aimed to evaluate the registered dentists' program, from the dentist's perspective, before its nationwide implementation. Methods: In-depth interviews were conducted with 18 dentists who had participated in the registered dentists' program in G Province. A questionnaire was prepared based on previous research. The data were collected by transcription of interview recordings. Qualitative research methodology was implemented and the data were coded according to the grounded theory. A paradigm model was presented and the core categories were indicated. Results: The findings were organized into 6 categories, 25 subcategories, and 315 codes, based on open coding of the first categorization of collected data. The central phenomenon was found to be the experience of dissatisfaction with the program. The causal conditions were shown as problems of the program, while contextual and intervening conditions were shown as passive participation of dentists and positive effects of the program, respectively. The action/interaction strategies were summarized as an improvement plan and the consequence was an increased intention to participate. Conclusions: The study proposes the need to strengthen primary dental care through this registered dentists' program, by performing continuous evaluations. The standards and guidelines, cooperation of participants, and appropriate compensation should be considered to promote successful implementation.
, Hye-Ri Jeong Abstract : Objectives: Disabled people experience difficulties in accessing dental services. Some of them tend to rely on charity dental services due to financial reasons. The purpose of this study is to identify some of the treatment statuses of disabled people to aid in planning oral health policies.Methods: This study analyzed the dental records of 141 patients from 2014 to 2019 in a charity dental clinic in Cheongju City. The demographic characteristics such as gender, age, area, social security, and type of disability of the patients were analyzed. Chi-square test and logistic regression analyses were performed to investigate the sociodemographic factors related to dental treatments.Results: Within the study population, 63.1% were men and 66.0% were older, over 40 years old. The type of disabilities showed significant differences in the possibilities of having periodontal treatments. The older people showed almost four times a higher risk of experiencing dental extractions than those who were younger, even after adjustments with sociodemographic factors.Conclusions: Among disabled people, an older age corresponds to a much higher probability of extraction, making chewing difficult and leading to the deterioration of general health. It is therefore necessary to conduct a detailed and extended national oral health survey on people with disabilities to allow for the provision of systematic support.
, Hyeongmi Kim , Hyunsook Bae Abstract : Objectives: This study aimed to identify the factors that influence career withdrawal intention among dental hygienists. Methods: The subjects of this study were 448 dental hygienists working at dental offices in Daegu, Busan, and Ulsan. The contents of the survey were job fitness, job autonomy, career plateau, job challenge, growth opportunity, career satisfaction, career commitment, and career withdrawal intention. The collected data were analyzed using statistical methods such as frequency analysis, independent sample t-test, one-way ANOVA, structural model analysis, and bootstrapping using SPSS 18.0 and AMOS 21.0. Results: The groups with low career withdrawal intention were those who were over 30 years old, married, had a master’s degree or higher, and had more than 8 years of clinical experience. The group with low career withdrawal intention generally showed high job autonomy. It was found that job autonomy, growth opportunity, and career plateau indirectly affected career withdrawal intention by mediating career satisfaction and career commitment. The higher the job autonomy and growth opportunity, the lower the career withdrawal intention, and the higher the career plateau, the higher the career withdrawal intention. The factor that had a direct effect on career withdrawal intention was career commitment; the higher the career commitment, the lower the career withdrawal intention. Conclusions: To reduce dental hygienists’ career withdrawal intention, we propose expanding their job autonomy within the legal scope, developing a career development model, and finding ways to improve their career commitment.
, Yun-Sook Jung , Ji-Eon Jang , Keun-Bae Song , Nam-Soo Hong , Youn-Hee Choi Abstract : Objectives: The purpose of this study was to identify whether stress experienced by those working in the local civil service was related to their oral health during the COVID-19 pandemic. Methods: A survey was conducted on 431 civil servants from eight districts, currently working in the Daegu City Hall had COVID-19 related work duties during the pandemic. Results: Several factors associated with oral health related quality of life were explored. Demographic details revealed that men had significantly better oral health related life quality as compared to women; further, being younger, being unmarried, and having a lower position had better outcomes for oral health related quality of life. Regarding the relationship between oral health behavior and oral health related quality of life, it was found that the better the subjective oral health, the higher the rate of not visiting the dentist in the past year. The COVID-19 pandemic has been a particularly important time to explore in order to understand how the stress experienced by local government officials is related to their oral health. It has been especially noted that the higher the work stress, the worse the oral health related quality of life amongst individuals. Conclusions: Results of this study emphasize that at a time when fatigue among civil servants is increasing due to the prolonged COVID-19 pandemic, oral conditions caused by stress should be identified and greater awareness should be created about oral health care.
Won-Ho Cho , Ja-Won Cho , Hyun-Jun Yoo , Kyong-Hoon Shin , Gi-Hae Shin , Yeol-Mae Jeon , Jong-Cheon Lee
J Korean Acad Oral Health 2021; 45(2): 87-91
https://doi.org/10.11149/jkaoh.2021.45.2.87
Su-Kyung Jwa
J Korean Acad Oral Health 2021; 45(4): 210-217
https://doi.org/10.11149/jkaoh.2021.45.4.210
Jae-In Ryu , Se-Hwan Jung , Sae-Rom Lee , A-Rang Lim
J Korean Acad Oral Health 2021; 45(2): 71-76
https://doi.org/10.11149/jkaoh.2021.45.2.71
Hye-Jung Jin, Eun-Kyong Kim, Seo-Young An, Sang-Uk Im, Keun-Bae Song, Youn-Hee Choi
Journal of Korean Academy of Oral Health 2013; 37(3): 147-153
https://doi.org/10.11149/jkaoh.2013.37.3.147
Gyeong-Ji Woo, Hye-Rin Lee, Yoonjung Kim, Hye-Jin Kim, Deok-Young Park, Jin-Bom Kim, Kyung-Won Oh, Youn-Hee Choi
Journal of Korean Academy of Oral Health 2018; 42(4): 101-108
https://doi.org/10.11149/jkaoh.2018.42.4.101
Min-Jeong Cho, Eun-Kyung Jung, Sang-Sook Lee, Youn-Hee Choi, Keun-Bae Song
Journal of Korean Academy of Oral Health 2015; 39(3): 214-219
https://doi.org/10.11149/jkaoh.2015.39.3.214
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