• Journal of the Korea Academia-Industrial cooperation Society
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• v.18 no.7
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• pp.635-643
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• 2017

This study examines the relationship between emotional labor and depression in dental hygienists. Data were collected from 186 dental hygienists working in dental clinics in Daegu from early March to early April 2016. The survey was composed of questionnaires related to general characteristics, work-related characteristics, emotional labor, and depression. As a result of analyzing the subordinate factors of emotional labor, 57.0% of the factors of 'organization support and protection system' were the highest, and the effect of emotional labor on depression was 'emotionaldisharmony and damage', 'Organizational support and protection system', and especially, the ' emotionaldisharmany and damage' factors were 4.042 times higher than normal. The dental hygienist's degree of emotional labor risk is high, and education, prevention and management measures for emotional labor will be prepared. In addition, emotional labor affects the depression of dental hygienists as well, and comprehensive mental health measures are needed to take into consideration general and occupational characteristics that affect depression.

• Journal of the korean academy of Pediatric Dentistry
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• v.47 no.4
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• pp.427-437
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• 2020

The purpose of this study was to investigate the effects of public preventive dental healthcare services named the "Dental Preventive Health Services for Children" (DPHSC) on oral health-related quality of life (OHRQoL) in Korean children. Of the total 20,802 beneficiaries in 2018, 110 10-year-old elementary school students were randomly selected and were requested to complete a survey using the Korean version of Child Oral Health Impact Profile (COHIP) questionnaire before and after participating in DPHSC. Overall, 107 participants completed the pre- and post-survey. COHIP scores and clinical results such as numbers of decayed and missing teeth, malocclusion, and oral hygiene status from dental examination were statistically analyzed and the reliability and the validity of the responses were verified. There was a significant clinical increase in mean overall COHIP scores following DPHSC (p < 0.001, effect size 1.05). Children with decayed and missing teeth demonstrated poor OHRQoL. In conclusion, DPHSC can improve the OHRQoL of 10-year-old children.

• The Journal of the Korea Contents Association
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• v.10 no.11
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• pp.209-216
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• 2010

The purpose of this study was analyzing the first permanent molars condition that was how catch on general oral health of the children in primary school, to make use of the basic data on dental health policy project for the school oral health. The sampling was done at the primary school in Suncheon. It made a survey on the first permanent molars of 823 person who had attended in March, 2009. By using the WHO standards and Clune's dental health capacity, the conditions of first permanent molars calculated. DMFT index and it's condition of first molars statistically are analyzed by Pearson's correlation. 1. The dental health capacity of the first permanent molars was 92.2%. 2. The DMFS index of first permanent molars was 3.97. 3. The dental health capacity of first permanent molars have related with DMFT index(r= -0.895). 4. DMFS index of the first molars have positive relation with DMFT index(r= 0.902). In this repory, I would like to suggest that the evaluation of dental health project for the school aged children should be considered including the healthy status of the first molars.

• Journal of the korean academy of Pediatric Dentistry
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• v.39 no.4
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• pp.373-382
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• 2012

The purpose of this study was to understand the change of demands in young patients and to suggest a directional shift for the pediatric dental practitioners who are facing these changes. This study collected data on new patients who had visited Chonnam National University Dental Hospital, Department of Pediatric Dentistry from 2003 to 2010 and the researchers were able to find out the following information. Total number of dental visits has been increasing since 2009 and 2010, which includes an increase of male patients in the 13~15 years age group showed significant increase and that in the 3~4 years age group showed a significant decrease. December showed the largest number of total dental visits, of which 69.6% of newly visit patients were living in Gwang-ju. Patients who had systemic diseases were 10.7% of total newly visit patients and 19.1% of patients received sedative treatment. Considering the chief complaints of new patients, 36% of patients visited because of dental caries. Regarding the dental treatment of patients, 38.4% had restoration treatment in 2003 and 30.4% had restoration treatment in 2010.

• Journal of Oral Medicine and Pain
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• v.40 no.2
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• pp.55-62
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• 2015

Purpose: The aims of this study were to evaluate the differences in subjective symptoms, clinical characteristics, distribution according to Research Diagnostic Criteria for Temporomandibular Disorders (RDC/TMD) subgroup, psychological profile of TMD patients, and to identify the prevalence and trend according to age. Methods: A total of 1,052 patients (261 men and 791 women; mean age, $34.40{\pm}15.73$ years) who visited the Orofacial Pain Clinic of the Department of Oral Medicine, Seoul National University Dental Hospital complaining of TMD symptoms of were evaluated. All patients were questioned for medical history, clinical symptoms and contributing factors. Clinical examination and patient grouping based on RDC/TMD was conducted. Radiographies were taken. The Korean version of RDC/TMD axis II and Symptom Checklist-90-Revision (SCL-90-R) were administered to evaluate pain-related disability level and psychological status of the patients. Results: Prevalence peaked in the 20-year-old age group. There were more women than men in all groups. The highest T-score among SCL-90-R dimensions was somatization in each group, except for teenagers who showed the highest T-score in interpersonal sensitivity. The 30-year-old age group showed the highest distribution of high disability based on the graded chronic pain scale. Age was positively associated with pain intensity (r=0.100), number of positive muscles on palpation (r=0.137) and negatively associated with maximum mouth opening (r=-0.168). Conclusions: Subjective symptoms and clinical characteristics of TMD patients show distinct tendencies according to different age groups. Treatment should be customized and personalized according to age for efficient symptom resolution and patient satisfaction.

• Journal of dental hygiene science
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• v.8 no.4
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• pp.261-266
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• 2008

The purpose of this study was to examine the effects of the toothpick method, one of professional toothbrushing methods, on the prevention of periodontal diseases and the satisfaction level of patients with that. The subjects in this study were 33 patients who included 16 men and 17 women. After the toothpick method was applied to the selected patients from January 9 to February 28, 2008, the collected data were analyzed with SPSS (Statistical Package for the Social Science) 12.0 program. The findings of the study were as follows: First, the patients investigated showed a 0.71 reduction in PI than in the past. The index of bleeding upon probing stood at 5.12, which dropped from 8.09 in the beginning. Second, the patients gave a mean of 4.20 to the professional toothbrushing out of possible five points, which showed that they expressed satisfaction with that. Third, as for the relationship between general characteristics and satisfaction level, the women were more satisfied with that ($4.25{\pm}0.33$). By age group, those who were in their 60s and up found that more satisfactory ($4.31{\pm}0.30$). Fourth, as to changes in oral symptoms by gender, the largest number of the men and women considered their gums to become healthier after the professional toothbrushing was applied. The above-mentioned findings suggested that dental institutions should be equipped with well-educated oral health care personnels who are responsible for the periodontal health of patients, and the development of oral health promotion programs is urgently required as well.

• Journal of dental hygiene science
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• v.8 no.4
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• pp.387-393
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• 2008

This study was undertaken to determine the halitosis status of urban area in Dae-Gu city. The sample of this study consisted of 332 persons who lived at Dae-Gu city. The results were as follows. 1. The persons consisted of 44.6% male and 55.4% female. The 32.5 % persons were under 38 years and 82.2% of persons were married. 2. The 26.8% persons answered the last meal time was before 1-2 hours and 63.3% persons answered middle halitosis. The 26.3% persons answered the time of worst halitosis was after breakfast and 33.1% persons answered the smell type of halitosis was nasty smell. The 11.4% persons experienced dental treatment for halitosis, and 63.9% persons required dental treatment for halitosis. 3. The 100 ppb~149 ppb concentration of halitosis was 156 persons. Over 150 ppb concentration of halitosis was 54 persons. The average of halitosis concentration was 122.76 ppb and, the 63.3% persons required halitosis management and treatment. An aged persons of the halitosis concentration was significantly increased than younger persons (p < 0.05). Higher smell preception of halitosis was significantly increased in halitosis concentration test practically (p < 0.001). Subjects who treated dental treatment for halitosis was significantly increased (p < 0.01). This study results have informed that the knowledge and management of halitosis was demand and required public relation for halitosis. The halitosis management and education program will improve the oral health. Therefore halitosis management program which based on data collection and planning will be developed and activated in further study.

• Journal of dental hygiene science
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• v.10 no.4
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• pp.251-257
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• 2010

The purpose of this study was to examine the demographic characteristics, oral health awareness and oral health behavior of 1,356 Korean senior citizens based on the fourth raw materials of the 2008 national health and nutrition survey, and to analyze their DMFS, DMFT and FS-T indexes, which were oral health indicators. The findings of the study were as follows: 1. The mean DMFS index of the Korean senior citizens was 26.62, and their average DMFT index was 6.76. Their mean FS-T index was 21.51. 2. Out of the demographic characteristics of the Korean elderly people, education made statistically significant differences to the DMFS(p<0.05) and FS-T(p<0.001) indexes, and whether they worked or not made statistically significant differences to the DMFT(p<0.01), DMFS(0.001) and FS-T(0.001) indexes. There were no significant gaps according to gender, age and presence or absence of a spouse. 3. The oral health awareness of the Korean senior citizens(subjective oral health status, whether to need a dental treatment, concern for oral health and mastication) had no statistically significant relationship to their DMFS, DMFT and FS-T indexes. 4. Among the oral health behaviors of the Korean elderly people, whether they got a dental checkup over the past year made statistically significant differences to the DMFT(p<0.01), DMFS(p<0.001) and FS-T (p<0.001) indexes, and there were statistically significant gaps in the DMFT(p<0.010, FS-T(p<0.01) and DMFS(p<0.001) indexes according to yesterday's toothbrushing frequency. The time when they went to a dentist made a significant difference to the FS-T(p<0.01) index only.

• The Journal of Advanced Prosthodontics
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• v.5 no.1
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• pp.29-35
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• 2013

PURPOSE. To longitudinally assess the quality of life in maxillectomy patients rehabilitated with obturator prosthesis. MATERIALS AND METHODS. Thirty-six subjects were enrolled in the span of 16 months, out of which six were dropouts. Subjects (age group 20-60 years) with maxillary defects, irrespective of the cause, planned for definite obturator prosthesis, were recruited. The Hindi version of European Organization for Research and Treatment of Cancer, Head and Neck version 1 of Quality of Life Questionnaire was used before surgical intervention and one month after definitive obturator. Questionnaire includes 35 questions related to the patient's physical health, well being, psychological status, social relation and environmental conditions. The data were processed with statistical package for social science (SPSS). Probability level of P<.05 was considered statistically significant. RESULTS. The quality of life after rehabilitation with obturator prosthesis was 81.48% (${\pm}13.64$) on average. On item-level, maximum mean scores were obtained for items problem with teeth ($1.87{\pm}0.94$), pain in mouth ($1.80{\pm}0.92$), trouble in eating ($1.70{\pm}0.88$), trouble in talking to other people ($1.60{\pm}1.22$), problems in swallowing solid food ($1.57{\pm}1.22$) and bothering appearance ($1.53{\pm}1.04$); while minimum scores were obtained for the items coughing ($1.17{\pm}0.38$), hoarseness of voice ($1.17{\pm}0.53$), painful throat ($1.13{\pm}0.43$), trouble in having social contacts with friends ($1.10{\pm}0.40$) and trouble having physical contacts with family or friends ($1.10{\pm}0.31$). CONCLUSION. Obturator prosthesis is a highly positive and non-invasive approach to improve the quality of life of patients with maxillectomy defects.

• Journal of Radiation Industry
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• v.9 no.1
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• pp.47-55
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• 2015

Research and investigation is required for the exposure dose of radiation workers to work in the dental hospital as increasing interest in exposure dose of the dental hospital recently accordingly, study aim to minimize radiation exposure by making a follow-up study of individual exposure doses of radiation workers, analyzing the status on individual radiation exposure management, prediction the radiation disability risk levels by radiation, and alerting the workers to the danger of radiation exposure. Especially given the changes in the dental hospital radiation safety awareness conducted the study in order to minimize radiation exposure. This study performed analyses by a comparison between general and dental hospital, comparing each occupation, with the 116,220 exposure dose data by quarter and year of 5,811 subjects at general and dental hospital across South Korea from January 1, 2008 through December 31, 2012. The following are the results obtained by analyzing average values year and quarter. In term of hospital, average doses were significantly higer in general hospitals than detal ones. In terms of job, average doses were higher in radiological technologists the other workes. Especially, they showed statistically significant differences between radiological technologists than dentists. The above-mentioned results indicate that radiation workers were exposed to radiation for the past 5 years to the extent not exceeding the dose limit (maximum $50mSv\;y^{-1}$). The limitation of this study is that radiation workers before 2008 were excluded from the study. Objective evaluation standards did not apply to the work circumstance or condition of each hospital. Therefore, it is deemed necessary to work out analysis criteria that will be used as objective evaluation standard. It will be necessary to study radiation exposure in more precise ways on the basis of objective analysis standard in the furture. Should try to minimize the radiation individual dose of radiation workers.