• Journal of Korean society of Dental Hygiene
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• v.21 no.2
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• pp.119-128
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• 2021

Objectives: The aim of this study was to investigate the effect of breastfeeding on the occurrence of early childhood caries in Korean infants and toddlers. Methods: Data on oral examinations of infants and toddlers of the National Health Insurance Service were analyzed. The study subjects were children who participated in both the first, second, and third oral examinations and the first general health examination in 2008-2017 (n=142,185). Based on the responses to the questionnaire, the subjects were classified into breastfeeding, formula feeding, and mixed feeding groups. The participants were monitored for the development of early childhood caries in three sequential oral examinations. Results: Based on the oral examination results conducted at 54-65 months old, the decayed-filled teeth index of the breastfeeding group was the highest (2.03±3.08), followed by the mixed (1.96±3.03) and the formula feeding groups (1.82±2.91). The Cox proportional hazard regression model including all the variables showed that the risk of developing dental caries was significantly lower in the formula (hazard ratio [HR], 0.85) and mixed feeding groups (HR, 0.91) than in the breastfeeding group. Conclusions: Breastfeeding children have a higher risk of early childhood caries; therefore, oral hygiene education and regular dental check-ups are necessary.

• Journal of the Korea Academia-Industrial cooperation Society
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• v.13 no.3
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• pp.1220-1228
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• 2012

This study was carried out in order to offer medical service in good quality by enhancing dental hygienists' job satisfaction and to arrange basic data necessary for individual development and health promotion in dental hygienists through grasping the job stress level and job satisfaction of being experienced by dental hygienists, and the correlation. The self-administered questionnaire was surveyed and collected from August 1-12 of 2011 targeting 210 dental hygienists of general hospitals, dental hospitals, and dental clinics nationwide(Seoul, Gyeonggi, Daegu, Pohang).The analysis was made on 205 people. The collected data was analyzed by using SPSS WIN 15.0 program. As a result, out of job stress, the average was indicated to be the highest with 2.71 in 'job demand.' As a result of examining about sphere-based relationship between health perception level and job stress related to building in dental hygienists, the central nervous system manifestation showed statistically significant positive correlation with physical environment(r=.281, p<.001), job demand(r=.281, p<.001), relational conflict(r=.163, p<.05), organizational system(r=.166, p<.05), compensation inappropriateness(r=.267, p<.001), and job stress(r=.311, p<.001). Overall, the building-related health perception level showed statistically significant correlation with physical environment(r=.259, p<.001), job demand(r=.311, p<.001), relational conflict(r=.172, p<.05), organizational system(r=.158, p<.05), compensation inappropriateness(r=.197, p<.01), and job stress(r=.275, p<.001). They need to improve their quality of life and life and mental health by developing proper air conditioning system and using one in their work place. if so, they could contribute to better quality of oral cavity service for everyone.

• Journal of Dental Rehabilitation and Applied Science
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• v.33 no.2
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• pp.106-113
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• 2017

Purpose: The purpose of this study was to evaluate tissue dissolving capacity, antimicrobial effect of Hydroxyethylidene bisphosphonate (HEBP) interacting with sodium hypochlorite (NaOCl), Ethylenediaminetetraacetic acid (EDTA) as conventional endodontic irrigants and to determine tissue dissolving efficacy depended on temperature. Materials and Methods: A total of 80 bovine muscles were randomly distributed into 8 groups (n = 10). After their initial weights determined on a precision scale, the specimens in each group were immersed in the solutions for 5, 10 and 15 min and reweighted at each time period. Agar diffusion test inoculated with Enterococcus faecalis was performed for antimicrobial effect of each endodontic irrigants. Results: The ability to dissolve organic matter was greater in NaOCl group following NaOCl and HEBP mixture. Heated NaOCl ($40^{\circ}C$) and NaOCl/ HEBP mixture was greater tissue dissolving efficacy than room temperature ($25^{\circ}C$). Antimicrobial effect was greater and significant in the following order EDTA > EDTA + 1% NaOCl > $1%\;NaOCl{\geq}1%\;NaOCl$ + HEBP. Conclusion: HEBP as soft chelating agent does not disturb antimicrobial effect and less affected tissue dissolving efficacy as inherent properties of NaOCl. In the heated NaOCl/HEBP mixture analyzed, it dissolved more the organic matter than room temperature.

• Journal of Korean society of Dental Hygiene
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• v.7 no.4
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• pp.419-431
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• 2007

The setting of dental hygiene clinics is very important to dental hygiene education, which is the place not only to educate students but also to care clients. The purpose of this study is to provide basic research material for improvement of dental hygiene care system in dental hygiene clinics by analyzing the client satisfaction. A questionnaire survey by means of self-entry method was conducted to find out satisfaction of the client, who was visited to the dental hygiene clinics in the department of dental hygiene, Yonsei University. An analysis of frequency, one way ANOVA and T-Test were performed through SPSS 12.0K program. 1. Most clients were mainly composed of students in Wonju College of Medicine. 2. The clients visited for scaling(85.8%) and oral examination(9.73%) were much than treatment(4.42%). 3. Clients aged 21 to 25 were relatively lower in satisfaction with the facilities, system, attitude than any other ages. 4. The dental hygiene students are the lowest group in satisfaction with the facility, system, attitude than medical and nursing students. 5. The clients satisfaction with dental hygiene clinics was decreased in reverse proportion to visiting frequency. 6. Most of the clients pointed out the problems of appointment system(54.0%) and fee(23.0%), which should be improved than any other operation conditions. 7. Most of the clients were not satisfied with chair time and pain during care. 8. Most clients recognized to receive the better care service than other dental offices(81.3%). Especially, they paid attention to oral health education using phase-contrast microscope. 9. Many clients were dissatisfied with facilities of the dental hygiene clinics(71.7%). The problems of appointment system(54.0%) and chair time of dental hygiene care services(63.6%) had also inconvenienced to clients. The dental hygiene clinics in school play a crucial role in dental hygiene education to foster the student to be competent as a professional dental hygienist in the future. Therefore, well-organized dental hygiene care program based on dental hygiene process is essential. It is also required to improve the environment of dental hygiene clinics including facilities, appointment system and fee etc.

• Journal of the Korea Convergence Society
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• v.9 no.2
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• pp.125-136
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• 2018

The purpose of the study is to investigate dental health insurance coverage the awareness and dental health insurance coverage extension to scaling in service consumers. There were significant differences according to education level, age on the appropriateness of the age of yearly scaling benefit, and to married, regions, self-oral health of the frequency of yearly scaling benefit, who their teeth brushed frequence a day on the appropriateness of the fee of yearly scaling benefit. It implies that should be added to the coverage list national health insurance every age group after increasing periodontal disease. It is to be more extension as to age, frequency and fee health insurance coverage of scaling, the effort to improve dental health insurance coverage policy must be continue for oral health in the future.

• Korea Journal of Hospital Management
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• v.22 no.1
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• pp.40-50
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• 2017

The purpose of this study is to develop the KPIs(Key Performance Indices) needed to improve management and strategy in the dental clinic based on the four perspectives of BSC(Balanced Scorecard). The questionnaire was conducted on 52 dentists approved by Dental Managment Research Committee in Seoul National University as a panel. Using the Delphi technique, the top five KPIs for each point of perspective in BSC were extracted from KPI pools. In the third survey, the top five KPIs of all points were compared with each other through AHP(Analytic Hierarchy Process) method, and priority and overall importance rankings were calculated. The biggest difference in the three level AHP results was the customer perspective took priority to others. In the second survey, the financial perspective, which was number one, was pushed back. The overall significance of KPIs was in the order of customer, internal process, finance, learning and growth perspective, with the exception of medical profits (5th of 20) and new patient growth (10th of 20). We were able to overcome the limitations of the Delphi Technique with the AHP method. In general, the financial perspective in BSC is known to be the most important, but we conclude that the customer perspective is more important through the pairwise comparison survey. In the current dental service market, which is a long-term recession, excessive competition, customer satisfaction and customer relationship management seem to be the first goal to pursue in dental clinic.

• Journal of dental hygiene science
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• v.17 no.5
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• pp.405-412
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• 2017

The purpose of this study was to examine whether a gratitude training program for preservice dental hygienists affects their gratitude disposition, self-esteem, and happiness. Dental hygiene students were recruited from a college in D and administered a pretest. The 76 selected participants were primarily those who had never written a gratitude journal. Participants were then randomly divided into an experimental group and a control group. Three participants failed to complete the program, leaving 73 subjects in the final analysis. Data were analyzed using the ${\chi}^2$ test, independent sample t-test, and analysis of covariance. The mean gratitude disposition score improved from $31.11{\pm}5.55$ in the pretest to $34.41{\pm}4.38$ in the posttest in the experimental group and from $31.44{\pm}4.41$ to $32.06{\pm}4.63$ in the control group. The mean self-esteem score improved from $31.22{\pm}4.03$ to $33.16{\pm}3.44$ in the experimental group and from $30.53{\pm}4.42$ to $30.97{\pm}3.80$ in the control group. The mean happiness score improved from $19.54{\pm}2.64$ to $21.78{\pm}2.43$ in the experimental group and from $19.64{\pm}3.32$ to $20.08{\pm}2.91$ in the control group. All of the participants improved their gratitude disposition, self-esteem, and happiness scores while participating in the gratitude training program, and it is expected that if such positive emotions can be sustained, they will naturally acquire the basic requirements of dental hygienists and build a better vocational consciousness and a higher sense of duty, as well as have a further positive effect on the quality of dental medical service. Further studies should be conducted to propose a concrete plan to expand and operate this gratitude training program more effectively.

• Journal of dental hygiene science
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• v.16 no.1
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• pp.37-44
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• 2016

The purpose of this study was to reveal association between internal marketing and customer orientation. Internal marketing was composed of empowerment, educational training, reward system, internal communication and management support. We thought these factors affect to the consumer orientation. For this study, 191 dental hygienists in Busan, Ulsan and Kyungnam are participated in this study. The data were analyzed with descriptive statistics, t-test, ANOVA, pearson's correlation coefficients, and stepwise multiple regression analysis with SPSS 18.0 program. In conclusion, we obtained the next results. First, the mean of internal marketing behavior was 3.22 out of 5. In terms of sub-domain, educational training (3.88) is the highest, followed by empowerment (3.35), internal communication (3.10), management support (3.05) and reward system (2.79). Second, the internal marketing factors of internal communication, reward system orientation, management support, empowerment, and educational training had positive correlations with customer orientation (r=0.189~0.381). Third, the influencing factor in customer orientation were educational training (${\beta}=0.277$) and empowerment (${\beta}=0.276$), adjusted $R^2=0.202$. As dental patients' desire to medical service quality becomes diversified, the analysis result is considered to help the future dental service management.

• Journal of the Korea Academia-Industrial cooperation Society
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• v.15 no.4
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• pp.2150-2159
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• 2014

This study was designed to investigate the status of orthodontic treatment and facial plastic surgery among 389 patients who visited dental clinics located in Seoul and Gyeonggi Province. After the collection of data, an analysis was carried out using a spss statistical program. The analysis results are as follows. the level of satisfaction with orthodontic treatment from patients with experience of the orthodontic treatment turned out to be high(p<0.01). Women considered 3.01 to 4 million won to be reasonable cost for orthodontic treatment (p<0.05), which is higher cost recognized by men, and patients with experience of orthodontic treatment recognized 19 to 24 months as the proper orthodontic treatment period(p<0.01). In addition, women showed higher figures than men in their awareness on the need for orthodontic treatment checkups(p<0.001), and facial plastic surgery experience (p<0.01). With respect to the part of the face on which they hoped to have plastic surgery, eye plastic surgery was higher in women (p<0.01), and nose surgery turned out to be higher in patients with experience of orthodontic treatment(p<0.05). Meanwhile, women considered the eye as the most important part among other facial areas (p<0.001), and they recognized that dentist should perform plastic surgery on both jaws among facial areas(p<0.01). In conclusion, the dental medical staff should provide consultations and operate treatment systems in consideration of gender differences and needs of dental patients. In the case of orthodontic treatment for the improvement of facial appearance, especially double jaw surgery which is closely related to the oral function, professional dental medical staff needs to perform the operation, considering the special oral environment. In addition, it is determined that provision of relevant medical information and promotion of dental service is required to provide patients with correct knowledge about orthodontic treatment and facial plastic surgery.

• Journal of the Korea Convergence Society
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• v.9 no.12
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• pp.75-80
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• 2018

This study was conducted to provide basic data on the dental hygienists Happiness Index and identify factors influencing dental hygienists A self-administered questionnaire survey was conducted dental hygienists in Jeollabuk-do(Jeonju, Iksan, Gunsan) from October to November 2017. Data were analyzed using t-test, ANOVA and multiple regression. As the result of study, Happiness Index of socioeconomic level has increased when the more work career, and more monthly wage, and better interpersonal relationship. Happiness Index of psychological well-being has increased when younger group and more monthly wage, and better interpersonal relationship. Therefore, in order to increase the happiness index of dental hygienists, economic compensation such as incentives and if the education of the communication method of the cases where the most difficulty case of the communication situation in the human relationship is confirmed is preceded, the quality of the medical service provided to the patient due to the happy working life will be improved.