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2016, Vol.16, No.5

  • 1.

    Research on dental hygienists’ clinical skill proficiency in core dental hygiene competency

    채성현 | HieJin Noh | 정고운 and 6other persons | 2016, 16(5) | pp.651~660 | number of Cited : 3
    Abstract PDF
    Objective: The purpose of the study is to investigate clinical skill proficiency in core dental hygiene competency in dental hygienists. Methods: The study subjects were 208 dental hygienists in Seoul and Gyeonggido. A complete self-reported questionnaire was filled out by 171 dental hygienists. The questionnaire consisted of general characteristics of the subjects, assessment of core dental hygiene competency, implementation of core dental hygiene competency, and education of core dental hygiene competency. Data were analyzed by PASW Statistics 18.0 to carry out a frequency analysis, one-way ANOVA and Pearson's correlation. Results: Chief complaint confirmation(4.08±0.91), scaling (ultrasonic scaler)(4.36±0.88), and toothbrushing education(4.35±0.86) were found to be the most important in the areas of dental hygiene assessment, implementation, and education, respectively. In dental hygiene education, statistically significant differences were identified by ‘level of education,’ ‘working career,’ ‘type of workplace,’ ‘department,’ and ‘main task.’ Conclusions: Respondents were found to think that their level of proficiency should be above average for most jobs. Proficiency in core competency was shown to be different according to ‘general characteristics of dental hygienists,’ ‘type of workplace,’ and ‘department.’
  • 2.

    Comparison of oral health index between adequate and inadequate dental care following preventive scaling

    Yu-Rin Kim | 2016, 16(5) | pp.661~667 | number of Cited : 1
    Abstract PDF
    Objectives: The objective of the study was to investigate oral health index between adequate and inadequate dental care following preventive scaling in regular dental check-up and management. Methods: The subjects in Busan were assigned to two groups including inadequate dental care (140 patients) and adequate dental care (88 patients) after preventive scaling from January 2014 to June 2015. The study instruments included oral health knowledge, awareness, practice, and community periodontal index of treatment needs (CPITN). Results: CPITN was significantly different between the two groups (p<0.05). Positive correlations were found in oral heath knowledge and awareness (r=0.462, p<0.05) before application of preventive scaling. There was a close correlation in oral health awareness and practice (r=0.205, p<0.05) before application of preventive scaling. After application of preventive scaling, oral health knowledge and awareness showed positive correlation (r=0.643, p<0.05). After application of preventive scaling, there was also a close correlation between oral health knowledge and practice (r=0.453, p<0.05). Oral health awareness and practice (r=0.512, p<0.05) showed positive correlation after the application of preventive scaling. However, oral health practice and CPITN (r=−0.189, p<0.05) showed a negative correlation. Conclusions: Practice made periodontal condition improve. To promote oral health practice in the group without adequate dental care, it is necessary to pay attention to adequate dental care and preventive scaling through education by dental hygienists.
  • 3.

    Related factors of scaling experience in multi-cultural adolescents

    sin young Park | Sun-A Lim | 2016, 16(5) | pp.669~676 | number of Cited : 1
    Abstract PDF
    Objectives: The purpose of the study was to investigate the related factors of scaling experience of multi-cultural adolescents in Korea. Methods: The subjects were 698 multi-cultural adolescents from web-based survey of the 11th(2015) Korean Youth Risk Behavior. Multi-cultural adolescents are defined as the children of marriage migrant women. The study instruments included demographical characteristics of the subjects, oral health behaviors, daily tooth brushing times, health behaviors, and experience of smoking and alcohol consumption. Data were analyzed using PASW statistics 18.0. Results: The experience rate of scaling was 18.8%. Multiple logistic regression analysis revealed that experience of scaling were related with experiences of sealant and fruit consumption. Conclusions: It is very important to provide the continuing oral health prevention program for the adolescents and investigate the cost-benefit effectiveness of oral health care program.
  • 4.

    Needs of revision of dental hygienist-related medical law

    KIM SUN-IL | Mi-Kyoung Jun | Sun-Mi Lee | 2016, 16(5) | pp.677~685 | number of Cited : 11
    Abstract PDF
    Objectives: The purpose of the study was to investigate the basic materials required for law revision regarding dental hygienists through perceptions and opinions of legislation amendments. Methods: The study was conducted from April 23, 2016. A self-reported questionnaire was completed by 797 dental hygienists in Seoul and Gyeonggido after receiving informed consent from institutional review board (IRB No. PO1‐201602‐23‐001). Results: Necessity for dental hygienist-related medical law revision accounted for 92.4% and 85.4% of dental hygienists replied that specialized dental hygienist system must be established. The reasons for medical law revision were as follows; roles and education of medical technicians (60.6%), settlement of medical legal problems (48.0%), cooperation with other organizations (29.0%), political negotiations (17.4%), and national consensus (9.5%). The score for ‘possible to get legal protection by the system establishment of roles and work scope of dental hygienists’ was 4.11 of 5 points. Conclusions: It is important to establish the job scope of dental hygienist. The revision of dental hygienist-related law will help to enhance the status of dental hygienists as professional medical technicians in the future.
  • 5.

    Influence of instructor trust on learning flow and academic achievement in dental hygiene students

    Lee, Su Young | Yong-Ju Kang | 2016, 16(5) | pp.687~693 | number of Cited : 7
    Abstract PDF
    Objectives: The purpose of the study was to investigate the influence of instructor trust on learning flow and academic achievement in dental hygiene students. Methods: A self-reported questionnaire was completed by 202 dental hygiene students in Gyeongnam from July to August, 2016. A five point Likert scale questionnaire consisted of intimacy (8 items), professionalism (8 items), teaching ability (5 items), and leadership (6 items). Measurement of learning flow was adapted and modified by Kim et al. Academic achievement was adapted and modified by Noe and Schmitt. Cronbach’s α of learning flow was 0.77 and that of academic achievement was 0.78 in the study. Data wee analyzed by t-test, one way ANOVA, Scheffé test, and Pearson’s correlation using SPSS 23.0 program. Results: The scores of instructor trust, learning flow, and academic achievement were 4.37, 3.46, and 3.23, respectively. Academic achievement had a close positive correlation with instructor trust (r=0.46, p<0.001) and learning flow (r=0.63, p<0.001). Instructor trust had a positive correlation with learning flow (r=0.50, p<0.001). Learning flow took mediating effects on instructor trust and academic achievement. Conclusions: The trust between students and instructors had a great influence on learning flow and academic achievement. So the instructor should try to make the students concentrate on learning.
  • 6.

    Effect of CAD/CAM ceramic thickness on shade

    Kang Wol | Han Man So | Kim Ji Hwan | 2016, 16(5) | pp.695~700 | number of Cited : 1
    Abstract PDF
    Objectives: The purpose of the study was to investigate the effect of CAD/CAM ceramic thickness on shade. Methods: 24 disk-shaped ceramic specimens (E.Max CAD & Empress CAD, 12 mm × 12 mm) were prepared and divided into 4 groups (n=6). Ceramic specimens in 2 thicknesses (0.8 mm, 1.0 mm) were made low translucency(LT) shade A2. All specimens were measured as L*, a*, b* using spectrophotometer. The color differences(∆E values) between the specimen and a control target block (12 × 12 × 1.2 mm) were calculated. Two-way ANOVA performed between 2 groups(material and thickness). Results: As the thickness increased, the L* (for all groups) and b* value (for all groups) increased and the a* value(for LR group) decreased. The mean color differences caused by thickness was acceptible (ΔE > 2) for group LD1. But the mean color differences by thickness were not selected (ΔE < 2) for group LD2, LR1, LR2. Conclusions: The different thickness can influence the final color of CAD/CAM ceramic.
  • 7.

    Relationship between incivility through clinical experience and major satisfaction in dental hygiene students

    손지량 | 이은비 | 장종화 | 2016, 16(5) | pp.701~706 | number of Cited : 7
    Abstract PDF
    Objectives: The purpose of the study was to examine the level and relationship of incivility through clinical experience and major satisfaction in dental hygiene students. Methods: A self-reported questionnaire was completed by 357 dental hygiene students in six universities from November 1 to December 1, 2015. The questionnaire by five point Likert scale consisted of general characteristics of the subjects (6 items), incivility (20 items), and major satisfaction (6 items). Incivility was divided into three factors of staff, doctors, and patients & visitors. Data were analyzed with descriptive statistics of variables, multiple response cross analysis, independent t-test, one way ANOVA, and Pearson’s correlation coefficient analysis. Results: The mean of incivility and major satisfaction was 2.23 and 3.29, respectively. The incivility of staff, doctors, and patients & visitors showed negative correlations with major satisfaction. Conclusions: The incivility through clinical experience is associated with major satisfaction negative. These results suggest that we need to develop remedy such as positive attitude dealing with incivility and implementing similar environment education during clinical training at school and dealing with stress.
  • 8.

    Health and oral health factors related to hypertension in Korean elderly: analysis of data from the fifth Korea national health and nutrition examination survey(KNHANES 2014)

    KyeongHee Lee | 2016, 16(5) | pp.709~716 | number of Cited : 2
    Abstract PDF
    Objectives: The purpose of the study is to investigate the health and oral health factors related to hypertension in Korean elderly. Methods: The study subjects were 1,527 elderly people≥65 years old who underwent physical examination and completed the health survey questionnaire of KNHANES 2014. Results: The risk of hypertension was higher in nonsmoking female elderly having poor subjective health status and low body mass index (BMI). The risk of hypertension was also higher in the elderly having poor subjective oral health status and no oral examination in the previous year. Conclusions: Health risk factors for hypertension and oral health factors may be useful measures to manage hypertension and enhance quality of life in the elderly
  • 9.

    Relationship between safety and health activities of clinical dental hygienists

    최혜정 | 박경화 | 2016, 16(5) | pp.717~723 | number of Cited : 3
    Abstract PDF
    Objectives: The purpose of the study is to investigate the relationship between safety and health activities of clinical dental hygienists. Methods: A self-reported questionnaire was completed by 208 dental hygienists in Seoul, Gyeonggido, and Incheon from May 9 to June 30, 2016. The study was approved by institutional review board (IRB). The questionnaire consisted of general characteristics of the subjects (9 items) and safety activities (15 items), and health activities (17 items) by Likert 5 point scale. Except two incomplete answers, data were analyzed using SPSS 22.0 program. Results: The mean of safety activities and health activities was 3.04 and 3.55, respectively. A significant difference was shown in staff safety, facility safety, environmental safety, infection control, and dental technique control (p<0.001). Conclusions: A significant association was shown in safety and health activities of clinical dental hygienists. It is necessary to promote the safety and health activities for the clinical dental hygienists.
  • 10.

    Correlation among oral health behavior, oral health knowledge and dietary control of university students

    이선옥 | Jang, yun jung | 2016, 16(5) | pp.725~732 | number of Cited : 5
    Abstract PDF
    Objectives: The purpose of the study was to investigate the influencing factors of oral health behavior and oral health awareness of university students by assessing oral health practice. Methods: A self-administered questionnaire was completed by 500 university students in Jeonbuk from June 2 to 15, 2014. Except ten incomplete answers, 490 data were analyzed. The questionnaire consisted of general characteristics of the subjects, subjective oral health status (8 items), oral health knowledge (18 items), and oral health practice (22 items) by Likert 5 point scale. Results: Oral health behavior had a significant effect on smoking status (=-0.200, p<0.001), oral health knowledge (=-0.235, p<0.001), dietary control practice (=-0.123, p<0.05), and daily toothbrushing frequency (=-0.240, p<0.001). With respect to factors influencing oral health knowledge, significant effect was found in oral health behavior (=0.258, p<0.001), dietary control awareness (=0.208, p<0.001), and dietary control practice (=-0.136, p<0.05). Conclusions: Oral health knowledge of university students is an important factor to cause a change in the behavior of oral health practice. Consequently, oral health education is essential to university students. In order to help improve the oral health, more customized and organized oral health programs will be necessary and it will encourage changes in university students oral health practices.
  • 11.

    Communication ability according to self-awareness and other-awareness in some dental hygiene students

    Sun-A Lim | 2016, 16(5) | pp.733~740 | number of Cited : 4
    Abstract PDF
    Objectives: The purpose of this study was to investigate the relationship among the factors of communication ability according to self-awareness and other-awareness in some dental hygiene students. Methods: A self-reported questionnaire was completed by 260 dental hygiene students in Gwangju and Jeonnam from June 14 to 28, 2016. After explanation of the purpose of the study, an informed consent was written by the students. The effect size was calculated by G*power 3.1 program. The study instruments comprised the general characteristics of the subjects, self-awareness, other-awareness, and communication ability. Data were analyzed by independent test, one way ANOVA, Scheffé test, stewise multiple regression test, and Pearson's correlation test using SPSS 18.0. Results: Communication ability had a significant positive correlation with self-awareness(r=0.427, p<0.001) and other-awareness (r=0.460, p<0.001). The higher level of self-awareness and other-awareness was proportional to communication ability. The influencing factors of communication ability included private self-awareness(=0.227), public self-awareness(=0.170), social anxiety(=0.182), and external other-awareness(=0.282). Conclusions: To improve the communication ability in the dental hygiene students, it is important to improve self-awareness and other-awareness. The implementation of communication skill in the curriculum will enhance the dental hygiene students competency.
  • 12.

    Dentists' opinions on return to work of career interrupted dental hygienists

    박귀옥 | 장영은 | 박지은 and 3other persons | 2016, 16(5) | pp.741~750 | number of Cited : 1
    Abstract PDF
    Objectives: This study aims to identify dentists' opinions about the return to work of the dental hygienists with career interrupted. Convenience sampling was made of 22 dentists with the clinical experience (about 0.25%) of the 4,944 members of Gyeonggi-do Dental Association. Data were collected through an electronic survey using e-mails and telephone interviews and analyzed using the constant comparison method. Methods: Open coding was assigned to the initial data from the survey in an explicit language, and focusing on the types of their employment, working conditions, etc. Summarization and conceptualization were made of the second data in an implicit language. Results: Most of the dentists were found to have positive attitudes toward the return to work of career interrupted dental hygienists and hope to adjust their wages based on their job performance or after their probational period expires. Most of the dentists were found to have positive attitudes towards the hygienists' flexible working although their concerns about work efficiency and hospital atmosphere. This study is a qualitative study that describes dentists' opinions and presents the need for the career interrupted dental hygienists to return to work. Conclusions: The study proposed that the educational institutions should take into account the hygienists' opinions when implementing the programs for promoting their return to work and their evaluative studies.
  • 13.

    Influence of emotional labor on job burnout in dental hygienists: the moderating effect of employee support

    Kim, Ji-young | 2016, 16(5) | pp.751~758 | number of Cited : 3
    Abstract PDF
    Objectives: The purpose of the study is to investigate the influence of emotional labor on job burnout in dental hygienists based on the moderating effect of employee support. Methods: A self-reported questionnaire by Likert 5 point scale was completed by 219 dental hygienists in Ulsan and Gyeongbuk from March 15 to April 9, 2016. The study instruments consisted of emotional labor, job burnout og Maslach Burnout Inventory, and employee support. Data were analyzed by descriptive analysis, Pearson’s correlation, multiple regression analysis, and hierarchical regression analysis using SPSS 18.0 program. Results: Surface acting had a positive influence on achievement and negative influence on impersonal chemistry. Inner acting had a positive influence on emotional burnout and achievement. Employee support had a moderating effect on emotional labor and job burnout. Conclusions: The strategy of emotional labor management for dental hygienists is very important for job burnout solution.
  • 14.

    Impact of dental fear on oral health related quality of life in teenagers

    lee hye kyung | 2016, 16(5) | pp.759~766 | number of Cited : 1
    Abstract PDF
    Objectives: The purpose of the study was to investigate the impact of dental fear on the oral health related quality of life in teenagers. Methods: A self-reported questionnaire by Likert 5 point scale was completed by 900 high school students in J area from March 10 to April 20, 2014. The questionnaire consisted of general characteristics of the subjects, dental fear survey, and oral health related quality of life. Data were analyzed by t-test and One-way ANOVA using SPSS 12.0 program. Results: Oral symptoms had no significant differences in mother's education and family economic status. Emotional well-being factors had no significant difference in age, religion, school performance, and family economic strength. Dental fear was closely related to emotional well-being, Oral symptoms, social stabilities, functional limit and mental stabilities. Explanation power of the model was 29.1%. Conclusions: It is very important to explain the dental fear procedure to teenagrers before dental surgery and this will enhance the oral health related quality of life in teenagers.
  • 15.

    Factors affecting unmet dental care needs of Korean: The 6th Korean national health and nutritional examination survey

    moonsangeun | Song, Ae-Hee | 2016, 16(5) | pp.767~774 | number of Cited : 9
    Abstract PDF
    Objective: The purpose of the study was to investigate the factors affecting unmet dental care needs of Korean using 6th Korean National Health and Nutritional Examination survey(KNHANES). Methods: The subjects were 13,718 Koreans from the 6th KNHANES data. The questionnaire consisted of general characteristics of the subjects, reason for dental care needs by socio-economic status and unmet dental care needs. Data were analyzed using SPSS 21.0 program. Results: The proportion of unmet dental care needs accounted for 27.4% and the main reasons were financial burden and less priority. Male had 0.21 times less unmet dental needs than female. Low, mid low, and mid high economic income groups had 1.27, 1.24, and 1.08 times respectively more unmet dental care needs than high income group. Those having good and average self-perceived oral health status experienced 0.83 and 0.63 times less dental care needs. Conclusions: Socio-economic factors and health status were the important factors of unmet dental care needs and it is necessary to provide a variety of public service of dental care for the low income group
  • 16.

    Influence of smartphone addiction on personal relationship in dental hygiene students

    Lee, Seong-Sook | JUN SOO KYUNG | Kim Dong Ae | 2016, 16(5) | pp.775~782 | number of Cited : 3
    Abstract PDF
    Objectives: The purpose of the study was to investigate the influence of smart phone addiction on personal relationship in dental hygiene students. Methods: A self-reported questionnaire was completed by 475 dental hygiene students in Gyeonggido and Chungcheongdo from May 9 to June 10, 2016. Except incomplete questionnaire, data were analyzed using SPSS 23.0 program. The instruments consisted of general characteristics of the subjects, smartphone addiction, and personal relationship. Results: The percentage of smart phone was 23.0% in a risk group and 77.0% in a general group. The level of smartphone had a statistically significant difference with personal relationship(p<0.05). Smartphone addiction resulted in bad personal relationship. Conclusions: Smartphone addiction problem interrupts personal relationship. It is very important to reduce smart phone addiction through a variety of solution.
  • 17.

    Residue by elapsed time of non-enzymatic antioxidants in dentifrice

    Park Jung-Eun | Park Yong Duk | Tae Kee HONG and 1other persons | 2016, 16(5) | pp.783~790 | number of Cited : 0
    Abstract PDF
    Objectives: The purpose of this study is to evaluate the non-enzymatic antioxidants stabilities in dentifrices by ascorbic acid and tocopherol according to the chemical condition. Methods: For the analysis of two antioxidants, HPLC UV detector system was used. HPLC was performed using sodium sulfate, acetonitrile(ACN), methanol(MeOH) and measuring absorbance at 240-295 nm. To confirm general pH reaction of two compounds, buffer solution was prepared for the analysis. The dentifrice was titrated by pH so as to examine the change of elapsed time in dentifrice. Linearity of calibration curve of two antioxidants was measured. Results: Each compound showed good linearity at optimized wavelength as well as showing good precision. General pH reaction of two antioxidants was examined. Ascorbic acid showed the highest residue(63.23%) at pH 10 and the lowest residue(2.77%) at pH 4. Tocopherol showed the highest residue(55.70%) at pH 7 and the lowest residue(3.31%) at pH 4. As a result of changing elapsed time of antioxidants in dentifrice by pH, components were remained stably at low temperature(39.2℉) and pH 7. Conclusions: It is necessary to keep dentifrice including ascorbic acid and tocopherol, and non-enzymatic antioxidants at pH 7 and low temperature for improving chemical stability.
  • 18.

    Relationship between national exam stress and temporomandibular disorder(TMD) in allied health students

    Myung-Eun Kim | Jang Won Seok | 2016, 16(5) | pp.791~798 | number of Cited : 1
    Abstract PDF
    Objective: The aim of the study was to investigate degree of national exam’s stress, symptom of temporomanibular disorder(TMD) in allied health students and relationship between of them. Methods: A self-reported questionnaire was completed by 305 students of dental hygiene and physical therapy in Chungbuk and Gyeongnam in December 2015. Except incomplete questionnaire, 260 data were analyzed using SPSS 12.0 program. The study instruments consisted of subjective symptom of temporomandibular disorder, bad habit of mouth and degree of national exam’s stress. Results: National exam stress was higher in female and subjective unhealthy students(p<0.05). High group and usual group on national exams's stress showed high subjective symptom(p<0.05). National exam's stress were related to subjective symptom of TMD and bad habit of mouth(p<0.05, p<0.01). Subjective symptom of TMD were related to bad habits of mouth(p<0.01). Conclusion: The degree of stress, TMD and bad habits of mouth on national exam test was high. therefore, it is important to manage the national exam’s stress and to develop program in order to reduce the national exam’s stress in allied health students.
  • 19.

    Instructors’ needs of integrated curriculum in dental hygiene practice

    moonsangeun | Kim Yun Jeong | 김선영 and 2other persons | 2016, 16(5) | pp.799~805 | number of Cited : 2
    Abstract PDF
    Objectives: The purpose of this study was to know instructors' needs of integrated curriculum in dental hygiene practice.. Methods: A self-reported questionnaire was completed by 112 instructors in Korea from June to July, 2015. The statistical analyses include frequency, percentage and Mann-Whitney' U test using SPSS 12.0 program. The questionnaire comprised needs of curriculum(5 items), integrated curriculum(10 items). Results: Need of integrated curriculum in practice course was statistically significant in school system(p=0.048) and number of students(p=0.041). The enhancement of clinical competence was high in teaching experience(11≤)(p=0.009) and perceptions of problems was high in experience of teaching(10≥)(p=0.047). In integrated curriculum, enhancement of clinical competence was statistically significant in school system(p=0.035) and number of students(p=0.011). Increase of professionalism was high in University(p=0.021), number of students(p=0.006) and teaching experience(10≥)(p=0.062). Conclusions: In order to improve curriculum in each institutions, it is necessary to measure in the view of representative institutions dimensions.
  • 20.

    The effect of recognition of need and participation intent of motivational interviewing education in dental hygiene students experiencing clinical practice

    김선영 | 2016, 16(5) | pp.807~814 | number of Cited : 1
    Abstract PDF
    Objectives: The purpose of the study was to investigate the effect of recognition of need and participation intent of motivational interviewing education in dental hygiene students experiencing clinical practice. Methods: A self-reported questionnaire was completed by 261 dental hygiene students in Gwangju and Jeonnam from June 6 to August 8, 2016. The questionnaire comprised general charactieristics of the subjects and Motivational interviewing (MI) in health care including philosophy, principle, and method. Data were analyzed by Mann-Whitney U test, Spearman’s correlation analysis, and stepwise multiple regression analysis using SPSS 21.0 program. Results: Recognition on need for MI education was positively correlated with participation intent for the education. MI method showed the highest correlation among MI educations(r=0.329, p<0.001). Participation intent for motivation interviewing(MI) education was higher in those having stronger recognition on need for MI method education and satisfaction with clinical practice. Conclusions: It is necessary to develop motivational interviewing education curriculum that will promote participation intent for motivational interviewing in clinical field.