• Journal of Korean society of Dental Hygiene
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• v.16 no.6
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• pp.1047-1055
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• 2016

Objectives: The purpose of the study was to investigate the factors influencing turnover intention in new dental hygienists. Methods: A self-reported questionnaire was filled out by 202 new dental hygienists in Gyeonggido, Chungcheongdo, Jeollado, and Gyeongsangdo from March 1 to April 24, 2016. Data were analyzed using SPSS WIN 19.0 program. The questionnaire consisted of general characteristics of the subjects (7 items), job-related characteristics (6 items), turnover intention (7 items), burnout (6 items), job satisfaction (13 items), job stress (10 items), organizational commitment (6 items), and critical thinking disposition (8 itmes). Results: Turnover intention was 2.92 points and burnout was 3.26 points. Each of job satisfaction, organizational commitment, and critical thinking disposition was 3.27, 2.95, and 3.32, respectively. Conclusions: The factors influencing turnover intention included age, job stress, job satisfaction, job burnout, and organizational commitment. Among them, job burnout had the highest impact on turnover intention.

• Journal of Korean society of Dental Hygiene
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• v.12 no.4
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• pp.771-780
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• 2012

Objectives : The purpose of the study was to explorer the extent to which the dental hygienist demand for higher education. Methods : This study was done using the statistical package for social sciences 12.0 (SPSS 12.0) for windows. The results was as followed. Results : Participation continuing education 42.3%, do not attend the continuing education 57.7%. General characteristics of respondents according to education after graduation, in recognition of the existence, winning less than five years if is the most was higher with 42.9%, to 50.5% in the current academic year graduated colleges is the most highly(p<0.05). Through continuing education, improve 'self-regard and identity' $3.12{\pm}.49$ was the highest. General characteristics of subjects with continuing education in accordance with the highest satisfaction of the relevant item 'future work areas hope' has been investigated(p<0.05). Conclusions : Dental hygienists as one of professionals taking responsibility and duties on oral health need to make effort to satisfy. While they show infinite ability, possible as they can and overcome given environment and situation.

• Journal of Korean society of Dental Hygiene
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• v.15 no.6
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• pp.1027-1032
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• 2015

Objectives: The purpose of the study is to investigate the attitude toward medical health information in the dental hygiene students. Methods: The subjects were 370 dental hygiene college students in the metropolitan area. A self-reported questionnaire was completed by 350 students from March 2 to May, 3, 2014. Except 20 incomplete answers, data were analyzed by frequency analysis, t-test, and one-way ANOVA using SPSS 12.0 program. The questionnaire consisted of general characteristics of the subjects, satisfaction of internet use, and attitude toward medical health information. Results: Most of the students had personal computers and they did not receive computer education. The students used internet in the variety of the fields. Satisfaction level was 3.28 by 5 point Likert scale. The attitude toward medical health information was 3.20. They would not use computer if possible, and the score was 3.50 points that was the highest mark. There was no statistically significant difference in medical health information by the general characteristics of the subjects. Conclusions: The attitude toward medical health information was not fully satisfactory in many fields. The curriculum for the dental hygiene must include step-by-step computer course and the computer education must provide the diverse educational opportunities for the students.

• Journal of Korean society of Dental Hygiene
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• v.17 no.5
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• pp.889-898
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• 2017

Objectives: This study was conducted in order to identify the various influencing factors of dental caries according to the socio-economic characteristics and oral health behaviors across the life cycle among Koreans. Methods: The data were extracted from the 6th Korea National Health and Nutrition Examination Survey (2013-2015) and a total of 4,871 subjects with ages of 7 and over were selected. The data were analyzed using SPSS 21.0 for ${\chi}^2$-test and multi-logistic regression. Results: Significant differences were observed in the socio-economic characteristics, health behaviors and in the dental caries across the life cycle. The influencing factors of DT includes the type of health insurance (p<0.05) in school aged & adolescence, Oral health examination/year (p<0.01), Residence (p<0.05) in early adults, type of health insurance (p<0.001), Oral health examination/year (p<0.001), use of oral hygiene products (p<0.01) in late Adults, Oral health examination/year (p<0.05) and Gender (p<0.05) in old age. Conclusions: This study suggests that dental health promotion can be enhanced by regular checkup. The government must provide the people with better quality of oral health care and promotion across the life cycle in the near future.

• International Journal of Oral Biology
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• v.45 no.4
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• pp.197-203
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• 2020

Mesenchymal stem cells in the dental pulp exhibit a tendency for differentiation into various dental lineages and hold great potential as a major conduit for regenerative treatment in dentistry. Although they can be readily isolated from teeth, the exact characteristics of these stem cells have not been fully understood so far. When compared to two-dimensional (2D) cultures, three-dimensional (3D) cultures have the advantage of enriching the stem cell population. Hence, 3D-organoid culture and 3D-sphere culture were applied to dental pulp cells in the current study. Although the establishment of the organoid culture proved unsuccessful, the 3D-sphere culture readily initiated the stable generation of cell aggregates, which continued to grow and could be passaged to the second round. Interestingly, a significant increase in SOX2 expression was detected in the 3D-spheroid culture compared to the 2D culture. These results indicate the enrichment of the stemness-high population in the 3D-sphere culture. Thus, 3D-sphere culture may act as a link between the conventional and 3D-organoid cultures and aid in understanding the characteristics of dental pulp stem cells.

• Tribology and Lubricants
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• v.24 no.1
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• pp.44-48
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• 2008

The wear characteristics of the gold alloy dental prosthesis have been investigated. The wear tests were performed by using a pin-on-disk wear tester at room temperature. Vickers hardness and fracture toughness measurement of dental materials were preformed. Microscopic observations on worn surfaces of specimens were conducted by microscope. The friction coefficient of the gold alloy dental prosthesis was investigated according to weight and slinging velocity. The hardness of the gold alloy dental prosthesis were similar and a half of the enamel of natural teeth.

• Journal of Korean society of Dental Hygiene
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• v.16 no.3
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• pp.347-353
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• 2016

Objectives: The purpose of the study is to investigate the dental fear and related factors of dental hygienists using dental fear survey. Methods: A self-reported questionnaire was completed by 279 dental hygienists from January 15 to March 28, 2015. The study instrument was dental fear survey. Data were analyzed using SPSS 19.0 program by t-test, one way ANOVA and stepwise multiple regression analysis. The questionnaire included general characteristics of the subjects, subjective oral health status, use of dental care services, subjective oral health status, and recent dental treatment. Results: Alcohol consumption was the most influential factor to the dental fear. The subjective status of oral health and direct pain sense also contributed to the dental fear. Conclusions: To reduce the dental fear, it is important to have high confidence toward the dental treatment performance in the dental hygienists.

• Journal of Korean society of Dental Hygiene
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• v.10 no.6
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• pp.1049-1059
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• 2010

Objective : The purpose of this study was to examine the relationship of the general characteristics of parents to their children's oral health care. The subjects in this study were 117 parents and their children who resided in rural communities in the region of K. Methods : A survey was conducted with the consent of the parents from July 1 to 30, 2010. As for the survey on the children, the children who were in the lower grades were interviewed, and the upper graders filled out the questionnaires in person. A frequency analysis was carried out to find out the general characteristics of the parents and children, and x2-test was utilized to grasp the links between the general characteristics of the parents and the children's oral health care. A SPSS WIN 12.0 program was employed to analyze all the collected data. The findings of the study were as follows: Result : 1. As a result of investigating the relationship of the occupation of the parents to the children's regular dental checkup, the 71.8 percent of the entire children didn't get a dental checkup on a regular basis. The biggest percentage of the children of the self-employed parents(100%) got a regular dental checkup, and 90.9 percent of the children of the government workers did that(p<.05). 2. As a result of checking the relationship of the occupation of the parents to the children's dental-caries experiences, 39.3 percent of the whole children had no such experiences. The largest percentage of the children of the company employees(51.9%) had dental-caries experiences(p<.05). 3. Concerning the links between the academic credential of the parents and the children's toothbrushing method, the biggest percentage of the children(40.2%) brushed their teeth up and down. The largest rate of the children whose parents were high-school graduates(41.5%) brushed their teeth in that way(p<.05). 4. Regarding the links between the toothbrushing time of the parents and the children's view, 43.6 percent found their parents to take good care of their teeth to make them clean. 60 percent whose parents brushed their teeth after having breakfast and dinner took the best view(p<.001). 5. As for the oral-health education experiences of the parents and a time for the children's change of toothbrushes, 29.1 percent changed their toothbrushes every two months, and 29.1 percent did that not on a regular basis but when the bristles of their toothbrushes got bent(p<.05). Conclusions : The above-mentioned findings suggest that in order to promote children's oral health in consideration of the characteristics of their parents, children should be urged to get a regular dental checkup, and the development of oral-health education programs in which parents and children can participate together is urgently required.

• Journal of Korean society of Dental Hygiene
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• v.9 no.4
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• pp.670-684
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• 2009

Objectives : This research analyzed the general characteristics that closely affect the children's dental health and the mothers' dental health knowledge and dental health behavior to identify the correlation of the latter with the status of children's dental health in order to provide the basic data for the development of dental health business that would target children. Methods : Research subjects were selected arbitrarily from three nursery schools located in Busan metropolitan city, targeting 186 children between the ages of four to six and their mothers. The children were subjected to dental Inspection, and the status of their dental caries was studied whereas the mothers were subjected to the surveys on the general characteristics, dental health knowledge and dental health behavior. Results : 1. Level of mothers' dental health knowledge is higher when the mothers' educational level is higher(p=0.02) and when the household's monthly income is higher(p=0.009). 2. When the level of mothers' dental health knowledge is higher, children tended to brush their toothbrushing using proper method(p=0.025). Moreover, when the level of mothers' dental health knowledge is higher, they tended to take their children to dental clinic mostly for preventive measures than for treating cavity(p=0.023). 3. When the level of mothers' dental health knowledge is higher, children's dmft index was significantly low(p=0.02). When the mothers use fluoride-containing toothpaste, children's children' dmft index was even lower(p=0.02). 4. As the children tended to brush their teeth more often, dmft index was lower(p=0.003). When the reason that the children visited dental clinic was more to prevent, than to treat cavity, dmft index was even lower(p=0.000) Conclusions : When the above mentioned results are summarized, it is possible to know that the mothers' dental health knowledge and dental health behavior significantly affect children's dental health. Accordingly, it is necessary to develop maternal and child dental health program that factors in both the mothers and children in order to prevent children's dental caries and to increase their dental health, and continued care is required to discover and treat dental caries early on.

• Journal of Korean society of Dental Hygiene
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• v.2 no.1
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• pp.21-41
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• 2002

This study is designed to offer basic materials necessary for the instruction of effective clinical practices and the establishment of relationship with patients by means of making an analysis of the characteristics of patients affecting the behavior of students majoring in dental hygiene avoiding patients and countermeasures. With this in mind, the researcher worked with sophomores and juniors exposed to clinical practices during the period ranging from October 22, 2001 to November 9, 2001. The researcher came to the following conclusions on the basis of the findings of this survey. 1. The characteristics of patients influencing the behavior of avoiding them were categorized into appearance characteristics, personality characteristics, treatment-cooperative characteristics, and speech and behavior characteristics. Speech and behavior characteristics(4.26) turned out to be the most influential factor of all, which was followed by treatment-cooperative characteristics(3.68), personality characteristics(3.62) and appearance characteristics(3.42) in the right order. 2. The survey shows that foul breath and obnoxious oral(3.94) cavity were the worst factors of appearance characteristics and that using abusive language and being too aggressive(4.41) were the worst factors of personality characteristics. The study reveals that not putting faith in trainees(4.02) was the highest factor of treatment-cooperative characteristics and that using abusive language(4.50) was the highest factor of speech and behavior characteristics. 3. There was a significant positive relation between the domains of the characteristics of avoiding patients. The study indicates that the more subjects avoided the characteristics of patients, the more they avoided appearance characteristics(r =.444, p<.001) and that the more subjects avoided treatment-cooperative characteristics, the more they avoided appearance characteristics(r=.324, P<.001) and personality characteristics(r=.691, p<.001), and that the more they avoided speech and behavior characteristics, the more they avoided appearance characteristics(r=.265, p<.001) and personality characteristics (r=.531, p<.001). 4. The study shows that there was a significant difference between appearance characteristics and the growth areas of the subjects(p<.05) and that there was a significant difference between the satisfaction of clinical practices(p<.05) and health status(p<.05) in terms of personality characteristics. 5. The subjects avoided preschoolers, whose age ranged from 4 to 6(33.5%), most and avoided boys(71.4%) more than girls. They avoided those who were bereft of jobs(62.9%). And they avoided handicapped persons most in terms of special patients and avoided infant patients(31.0%). 6. The subjects turned out to have negative and passive countermeasures against those patients that had ever been avoided. So the researcher would like to suggest that theoretic education and training programs should be conducted in this respect by incorporating this mailer into the hygiene curriculum.