• Journal of the Korea Convergence Society
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• v.12 no.12
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• pp.153-159
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• 2021

The purpose of this study is to determine the demage of tooth surface changes according to exposure time of commercially available green grape juice and pomegranate juice. Extracted healthy human premolar enamel surfaces were used. Control group immersed in phosphate-buffered saline (PBS) and 10 ml of commercially available green grape juice and pomegranate juice applied experimental group was divided into 7 groups. The pH of the experimental juice was measured, and the change and micrographics of the surface were confirmed through a Scanning Electron Microscope (SEM). It was found that the more the immersion time between the tooth surface and acid juice, such as damage to the tooth surface, has a greater effect on the surface damage. Based on the results of this study, it is necessary to reduce the number of drinking times and retention time in the oral cavity.

• Journal of Korean society of Dental Hygiene
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• v.21 no.3
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• pp.255-269
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• 2021

Objectives: Subjective well-being is a representative indicator of quality of life. Work and life are not separated, and work itself is a part of life. The purpose of this study was to confirm the effect of psychological resources such as self-esteem, self-efficacy, GRIT, and resilience on the subjective career success and subjective well-being in dental hygienists. Methods: From November 12, 2020 to December 30, 2020, an online survey was conducted on 650 dental hygienists, and data from 630 were analyzed. For the analysis, independent two-sample t-test and one-way ANOVA were performed, and the confirmatory factor analysis and measurement model, construct validity, construct reliability, convergent validity, and discriminant validity were confirmed. This was verified using a structural equation model. SPSS 18.0 and AMOS 18.0 were used for the statistical analyses; p<0.05 were considered statistically significant. Results: The final model fit was found to be suitable. There was no significant difference in subjective career success with respect to the personal characteristics and career characteristics, except for total career and number of turnovers. There was no significant difference in subjective well-being according to personal characteristics and career characteristics. Psychological resources such as self-esteem, self-efficacy, GRIT, and resilience were significant for subjective career success (p<0.05, R²=0.637). Subjective career success was significant for subjective well-being (p<0.05, R²=0.378). Among the psychological resources, self-esteem had both direct and indirect effects on subjective well-being (p<0.05). Conclusions: Positive psychological resources, rather than external conditions, are an important prerequisite for subjective career success and subjective well-being. Thus, it is proven that work is a part of life.

• Journal of Korean society of Dental Hygiene
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• v.24 no.3
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• pp.263-270
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• 2024

Objectives: The purpose of this study is to identify the effects of dental hygienists' cooperation and compensation satisfaction on job embeddedness through positive psychological capital, and to provide basic data on ways to improve the welfare of dental hygienists and the quality of medical services. Methods: From July 1 to 20, 2023, a questionnaire survey was administered to 206 dental hygienists via an online link. SPSS Statistics ver. 22.0 was used to conduct the frequency analysis, t-test, one-way ANOVA, Pearson's correlation coefficient, multiple regression analysis and hierarchical multiple regression. Results: Factors influencing dental hygienists' job embeddedness were type of compensation satisfaction (β=0.362, p<0.001), intangible compensation satisfaction (β=0.190, p<0.001), cooperation between dental hygienists (β=0.178, p<0.05), and age (β=0.112, p<0.05). Positive psychological capital was found to have a complete mediating effect on work cooperation in the effect of dental hygienists' job embeddedness (p>0.05), and partial mediating effect on compensation satisfaction (p<0.01). As a result of the Sobel test, it was confirmed that it was statistically significant as dental hygienist work cooperation (Z=2.339, p=0.019), dentist work cooperation (Z=1.985, p=0.047), intangible compensation satisfaction (Z=2.286, p=0.022), and type compensation satisfaction (Z=1.980, p=0.048). Conclusions: In order to improve the work environment of dental hygienists, develop programs to improve positive psychological capital, secure access to education, and various related studies are needed.

• Journal of Oral Medicine and Pain
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• v.36 no.4
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• pp.225-234
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• 2011

Tobacco smoking is a major risk factor of systemic health and also impairs oral health, which is related to development of oral cancers, periodontitis, delayed wound healing, tooth loss, failure of implant, etc. Aside from smoking, many other risk factors can be related to oral health and long-term effects of smoking on salivary flow and taste threshold are still in controversy. Authors considered dental students to be an appropriate group with good oral hygiene for a long-term study to reveal effects of smoking on oral health. This study was performed to compare smoking patterns and current oral health conditions between smokers and nonsmokers in dental students prior to long-term evaluation. 192 volunteers (85.7%) of 224 male dental students in Dankook University were evaluated through questionnaires and clinical examination in 2010. Questionnaires included smoking pattern, alcohol use, nicotine dependence, preventive care, psychological profile and clinical examinations comprised assessment of teeth or periodontal status, nicotine pigmentation, salivary flow, electrical taste thresholds and halitosis. From the study, (current) smokers were older, and drank more frequently with more alcohol intake compared to former smokers and nonsmokers(p<0.05). There was no significant difference among them in salivary flow rate, halitosis and electrical taste threshold. However, there was significant difference in DMFT rate, periodontal treatment need, nicotinic pigmentation between smokers and nonsmokers(p<0.05), irrespective of their levels of preventive care. The smokers in this study, who are young dental students with relatively shorter duration of smoking, less use of cigarettes and low level of nicotine dependence, did not reveal significant impairment of oral health. However, their oral health was found to be relatively impaired compared to nonsmokers', which suggests negative effect of smoking on the oral health and a need of smoking cessation.

• Journal of Korean Dental Hygiene Science
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• v.6 no.2
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• pp.151-160
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• 2023

Background: This study analyzed the differences in practice satisfaction, major, and willingness to work abroad among dental hygiene department students at K University in Gangwon-do based on their participation in international practicums. Methods: A survey was conducted on a total of 215 students through convenience sampling of dental hygiene students, and the final 214 responses were analyzed. General characteristics were examined. Major satisfaction and grades were measured on a 5-point Likert scale. And satisfaction with practice, intention to participate in international practicums, and employment were investigated by papers. Descriptive statistical analysis was performed on general characteristics using SPSS software (version 26.0). Due to the convenience sample, nonparametric analysis was used to determine satisfaction with practice and major according to general characteristics using the Mann-whitney U and Kruskal-wallis test. An independent samples t-test was conducted to determine the difference between practice satisfaction and major satisfaction depending on participation in international practicums, and Fisher's exact test was conducted to determine practice satisfaction, willingness to participate in overseas internships, and employment. Results: Concerning future participation in international clinical practicums, 66.7% of students who had previously participated in overseas training expressed willingness to engage again. 40.9% of those who had not participated showed no intention of participating, and there was a significant difference (p<0.05). Additionally, 76.2% of the participants expressed interest in overseas employment, with this difference also being statistically significant (p<0.05). Conclusion: It was confirmed that students' satisfaction with practice and major increased through participation in international practicums, and that they had a positive intention to work abroad and participate in overseas internship programs in the future.

• Journal of Korean Academy of Oral Health
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• v.42 no.4
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• pp.124-129
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• 2018

Objectives: The objectives of this study were to investigate the effects of oral health-related factors on the oral health knowledge, attitude, and practice of students of the Department of Dental Hygiene major, Health-related major, General major, and to provide primary data to improve the oral care ability of university students. Methods: After institutional review board approval, the study was conducted from May 15 to December 1, 2017. All 363 university students in Busan completed a questionnaire. In total, 332 questionnaires were analyzed. Thirty-one cases were excluded due to unreasonable responses. Data were analyzed using SPSS version 24.0. Results: Analysis of the factors related to knowledge, attitude, and practice of oral health according to the major field of study of the respondents indicated that students in the Dental Hygiene major demonstrated significantly better results. Conclusions: It is necessary to determine a way to manage the oral health of university students. In addition, voluntary participation of universities to improve oral health of university students is desirable. It is also necessary to establish national health policies and a national health care education curriculum for university students.

• Journal of Convergence for Information Technology
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• v.11 no.9
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• pp.165-172
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• 2021

This study was carried out in order to identify oral health knowledge according to police officers' oral health behaviors. The questionnaire survey was conducted targeting 237 police officers in Gwangju. A tool used general characteristics, oral health knowledge, oral health behavior and oral health education needs. The analysis was processed with descriptive statistics, t-test, Anova and regression analysis. As a result, the oral health knowledge was high in a person of using oral hygiene products and in a person of experiencing a visit to dental clinic(p<0.001). The desired the oral health education were a specialist's direct verbal explanation and the correct tooth-brushing method. Also, marital status, educational level, smoking status, using oral hygiene products and Dental visit experience were identified to have influence upon a oral health knowledge (explanatory power, 40.5%). Hence, the results of this study will be able to be applied to basic data in case of developing an oral health education program and planning a dental health project for enhancing oral health in police officers.

• Journal of Korean society of Dental Hygiene
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• v.21 no.4
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• pp.357-366
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• 2021

Objectives: The objectives of this study were to verify the level of ethical consciousness and decision-making of dental hygiene students in pandemic as coronavirus disease 2019 (COVID-19). Methods: This study included 249 college students who were interested in new infectious diseases. They completed a questionnaire on a 5-point scale, and data were analyzed by independent t-test, ANOVA, and correlation. Results: The perception of COVID-19 was moderate at 3.42 points. This was higher among males, first graders, emergency management students, those who received education and experienced self-quarantine. The level of ethical consciousness was moderate (3.89 points), which was higher in sophomores, emergency management students. Ethical decision-making was moderate, with a score of 3.44, and was higher in those with first grade, field practice training, and self-quarantine experience. The level of perception positively correlated with ethical consciousness (α=0.310, p<0.01). In addition, as the degree of ethical consciousness increased, the degree of decision-making also increased (α=0.539, p<0.01). Conclusions: In a crisis, involving the spread of COVID-19, providing prospective dental hygienists accurate information and an experience similar to that faced by patient is necessary for raising the level of ethical consciousness and decision-making.

• Journal of Korean society of Dental Hygiene
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• v.22 no.5
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• pp.341-346
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• 2022

Objectives: This study was conducted to analyze the relationship between smoking and denture wear in the elderly individuals aged 65 years and older, and a total of 3,112 people were included. Methods: A complex sample chi-square test was performed for denture wear according to general, smoking, and smoking-related characteristics. Factors related to denture wear were assessed using multiple logistic regression analysis. Results: Among non-smokers, present smokers were 4.192 times more likely to wear dentures, and former smokers were 2.195 times more likely to wear dentures. The average number of daily past smokers was 0.564 times less likely to wear dentures if they smoked 15 cigarettes or less per day. Conclusions: Smoking among the elderly and wearing dentures are related, and it is necessary to develop and utilize a smoking cessation education program considers socioeconomic characteristics.

• Journal of Korean Dental Hygiene Science
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• v.2 no.1
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• pp.41-50
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• 2019

Education should consider the social consensus that changes according to the times and the social environment, and it is also necessary to consider the technically useful subjects. We collected and reported the 4-year course curriculum of dental hygiene when Korean dental hygiene education has continued over 50 years. Each 4-year course curriculum was collected by searching each university website, or requested by email. The curriculum of 23 among 27 schools was collected. According to the classification of dental hygiene in the dental hygienist national examination classification or the Korean society of dental hygiene science, the subjects of the course were divided into clinical dental hygiene, clinical dental treatment support, basic dental hygiene, social and educational dental hygiene, and collected 23 curriculum courses. The average major curriculum was 104.9 credits and the average number of subjects in major courses was 34.3. The average subjects' number of clinical dental hygienic courses was 33.9 (37.5% of the total major credits), clinical dental treatment support was 30.6 (30.2% of the total major credits), basic dental hygiene was 21.8 (20.8% of the total major credits), and social and educational dental hygiene courses was 13.6 (13.0% of total major credits). Integrated subjects' name in clinical dental hygiene was used in all schools of the survey, such as clinical dental hygiene education (and practice), comprehensive dental hygiene education, and integrated dental hygiene. There were 13 schools (56.5%) that use the integrated name in clinical dental treatment support, such as clinical dentistry. There were 14 schools (60.9%) to open dental clinic management, and 22 schools (95.7%) to open national health insurance claims. The basic dental hygiene curriculum maintained the title of each subject and social and educational dental hygiene education was established in most schools, such as community dental health, oral health statistics, and oral health education. Other subjects were English conversation in dental clinic (8 schools) education, clinical dental treatment support, basic science in dental hygiene, social and educational dental hygiene. We knew the clinical dental hygiene and clinical dental treatment support were changing into the integrated subjects, and most schools run dental hygiene research.