• The Korean Journal of Rehabilitation Nursing
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• v.5 no.2
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• pp.180-192
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• 2002

The purpose of this study was to survey basic data for management of elderly day care centers. In this study, occupation, leisure life, and food, clothing and habituation, as well as social relationship, health state and behavior, and general characteristics of subjects were examined to identify the factors affecting their cognition, need and preference of the day care centers. The subjects of this study were 392 elderly, aged 60 years or over, living in Gangnung and neighboring districts. Data were collected by educated interviewers from November 4 through November 22, 2002. The subjects were interviewed face to face, one for one after the interviewee's agreements on the survey. The collected data were analysed with logistic regression analysis by SAS (statistical analysis system). Logistic regression analysis was done to identify affecting factors for cognition, need and preference of the elderly day care centers. The major findings are as follows: 1. The factors affecting cognition for the day care centers were analysed. The subjects with an occupation and a lower satisfaction level of living environment and friendship, who were economically secure enough to manage a sudden accident, showed a higher level of cognition of the day care centers. The subjects with a higher level of mental health state and a lower level of IADL also showed a higher level of cognition. On the general characteristics younger female subjects showed a higher level of cognition. 2. The subjects with a lower level of perceived economic condition who did not own their housing and were not economically safe enough to manage a sudden accident, had showed a higher level of need for the day care centers. It showed that the subjects with a high level of mental health state, a bad eye sight and dental condition, a good perceived health condition, and a lower level of IADL, needed the centers. 3. The subjects who had an occupation, however, not capable of making their own daily expenses, and a low occupation satisfaction level, and who did not own their housing, and were economically poor not enough to manage a sudden accident, showed a higher preference for the day care centers. The subjects with higher levels of friendship satisfaction and perceived health condition, not living with their spouse, and a higher education level, showed a higher preference for the centers. In conclusion, the common factors affecting their cognition, need and preference of the day care centers were occupation, economic security enough to manage accidents, and friendship satisfaction level. Especially, the subjects who had an occupation, however, not economically secure enough to manage accidents, and who did not live in their own housing with a good perceived health condition, showed high levels of need and preference for the day care centers. These results can be used as basic data to develop the efficient elderly day care centers, thus contribute to the elderly welfare in a local community.

• Journal of Technologic Dentistry
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• v.33 no.1
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• pp.25-35
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• 2011

Purpose: There are some advantages of the acrylic resin denture base ; appropriate strength, volume safety, simple processing apparatus, and low cost. But, it have a weakness for fracture by intense pressure or shock. However, the repairs for resin denture base are possible using various materials and techniques. There is a few studies in repairs for resin denture base, but not clinical researches. And there is no studies in absorbed saliva into the region of fracture and bond strength. This study is to observe re-bond strength of resin denture base after repairing under saliva absorption. Methods: The samples were made of heat curing resin and the rectangular parallelepiped specimens which were 50mm long, 10mm wide and 3mm high. The four different groups immersed in the artificial saliva for 2 weeks were prepared, 1) no repaired control samples, 2) immediately repaired samples, 3) repaired samples after 1 day dry, and 4) repaired samples after 3 days dry. The prepared samples were repaired by two different curing materials, self curing resin and heat curing resin method. Each groups composed of 10 specimens were experimented with the three point bending tests for bonding strength measuring Results: There were under condition absorbed in the artificial saliva and repaired by self curing resin method, repaired specimens after 1 day and 3 days dry groups had higher values of bonding strengths than control group, and bonding strengths of immediately repaired samples were similar to those of control samples (p<0.05). There were under condition immersed in the artificial saliva and repaired by heat curing resin method, immediately repaired samples showed similar values to bonding strengths of control groups, and repaired samples after 1 day and 3 days dry groups were lower than those of control group (p>0.05). Conclusion: In this study, the repairs for resin denture base were remarkably high values of bonding strengths than those of the past, and showed that have stable bonding strengths independent of saliva absorption of denture base, so present repairs for resin denture base can be performed, regardless of saliva conditions.

• Journal of Periodontal and Implant Science
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• v.35 no.4
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• pp.907-919
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• 2005

Porphyromonas gingivalis is a gram negative. black-pigmented anaerobe, associated with periodontitis & peri-implantitis. Fimbriae(fimA) of P. gingivalis are filamentous components on the cell surface and important in the colonization and invasion of periodontal tissue. But all P. gnigivalis strains don't have equal pathogenicity, inequality among strains originates from different fimA genotype. P. gnigivalis fimA gene encoding fimbrillin(structural subunit of fimbriae) has been classified into 5 genotypes(types I to V) based on the nucleotide sequences. In the present study, we examined the prevalence of these fimA genotypes in patients with dental implant and the relationship between prevalence of these genotypes and a condition of peri-implant tissue. Dental plaque specimens obtained from 189 peri-implant sulci of 97 patients with dental implants were analyzed by 16S rRNA fimA gene-directed PCR assay. P. gingivalis were detected in 86.2% of the alll samples. Among the P. gingivalis-positive samples, a significant difference in the occurrence of typeII was observed between test and the two control groups. In two control groups, typeII fimA were detected in 6.3%(PD<5mm/BOP-). 18.7%(PD<5mm/BOP+). In the test $group(PD{\geqq}5mm/BOP+)$, type II fimA genotype were detected most frequently in 50.0% . And a correlation between specific fimA types and peri-implantitis was found in $typeII(R^2=l.105)$. These results suggest that P. gingivalis strains that possess typeII fimA are gradually increased, as a condition of peri-implant tissue is getting complicated and are closely associated with peri-implant health status. We speculate that these organisms be involved in peri-implantitis

• Journal of the Korea Convergence Society
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• v.6 no.6
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• pp.27-34
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• 2015

Abstract The purpose of this study is to analyze the changes in job satisfaction and turnover intention according to the level of Emotional labor and the mediating effect in dental hygienists. Higher levels of emotional labor resulted in lower levels of job satisfaction, as well as higher levels of turnover intention. We used the logistic regression analysis to compare change of job satisfaction, turnover intention according to the level of emotional labor. In logistic regression analyses, social support was the largest mediating factor between emotional labor and job satisfaction and the odds(Likely to with low job satisfaction) was down by 16% after adjustment for supervisor, colleague. In case of turnover intention, largest mediating factor were drinking, physical condition, supervisor, colleague and the odds(Likely to with high turnover intention) was down by 52% after adjustment for mediating factors. The results of this study were as follows. Emotional labor was negatively impact on job satisfaction and turnover intention. To increase the job satisfaction and lower the turnover intention, it is necessary to do more efforts to improve social support(supervisor and colleague) and management personal factor(drinking, physical condition) for the dental hygienists should be made to reduce such negative effects.

• Journal of the Korean Society of Radiology
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• v.6 no.2
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• pp.137-142
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• 2012

This study is investigated dose change on intra-oral radiography when same conditions under the others unit and same unit under the different exposed conditions. Three different radiation devices were studied. Exposure to the upper anterior, premolar and molar on the variant time and dose measure was using semiconductor radiation dose meter. Obtained film density value was analyzed to the belong in the range of diagnosis. Results for dose of each region were less dissimilar between the maximum and minimum. Its value was different 10 times as many as 3 times. In addition, the range of film density was 2.10 ~ 2.95. These values were exceeded on the allow density of diagnostic value '0.25 ~ 2.0'. Even if the same device and the same condition, measured dose was considerable differance and film density was showed show the inappropriate density range. Those can be caused the patient's re-take and patient's diagnostic errors so patients has affected direct and indirect radiological harm. Therefore, dental radiography devices will be required periodical maintenance and also provided standard on the exposure and processing conditions.

• Journal of dental hygiene science
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• v.16 no.6
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• pp.432-441
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• 2016

This study was conducted to investigate the effects of professional oral healthcare program in eldery residents long-term care facilities. Ninety-four elderly residents from 5 different facilities in Asan participated in this study. The subjects were divided into 3 groups, with 32 in experimental group I, 30 in experimental group II, and 32 in the control group. Subjects in experimental group I were treated by a dental hygienist with professional oral healthcare and received daily oral care from caregivers who had completed elderly oral healthcare course. Subjects in experimental group II received daily oral care from caregivers who had completed elderly oral healthcare course. Control group received daily oral care from caregivers. These 3 groups were tested for dental plaque, halitosis, tongue coating, and salivary flow at baseline, and after 4 and 12 weeks of treatment. There were significant differences in the dental plaque index between the groups, mediate times, and mediate methods, in halitosis between the mediate methods, and in tongue coating between the mediate times, as well as the mediate methods. Finally, salivary flow was significantly different with regard to mediate methods between experimental group II and the control group. Therefore, to improve the oral health condition of elderly residents, involvement of a part-time dentist and scheduled professional oral healthcare are necessary. Furthermore, elderly oral healthcare education for nursing staff, including managers, should be provided.

• The Journal of Korea Assosiation for Disability and Oral Health
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• v.12 no.1
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• pp.6-10
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• 2016

Esophageal atresia is the abnormal development of the esophagus that connects the mouth to the stomach. This birth defect results in the incomplete connection of the esophagus to the stomach causing an inability to swallow properly and breathing difficulties. Surgery is the only treatment for esophageal atresia. Patients undergone an esophageal reconstruction usually suffer from gastroesophageal reflex. A 5-year old boy with congenital esophageal atresia and Sciwitar syndrome visited Seoul National University Dental Hospital because generalized excessive loss of tooth structure. The patient had history of multiple operations for reconstruct esophagus. He had little food intake experience thought oral and had difficulty to swallowing. The patient was generalized severe erosive and decayed state. For patient, the dental procedure under general anesthesia was scheduled due to the multiple caries with erosion and poor cooperation. Under general anesthesia, pulpectomy and restoration as well as extraction was performed. Gastroesophageal reflex is potentially serious condition, with various extraesophageal adverse effects such as dental erosion. To prevent progression of dental caries, dietary counselling and oral hygiene instruction should be reinforced. Also, restorations to erosive teeth will maintain esthetics and function and preserve pulp vitality.

• The Journal of Korea Assosiation for Disability and Oral Health
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• v.15 no.1
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• pp.79-83
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• 2019

Treacher Collins syndrome(TCS) is an autosomal craniofacial development disorder which results from mutations in the gene TCOF1. Major features include midface hypoplasia, micrognathia, microtia, conductive hearing loss. Oral manifestations are characterized by cleft palate, shortened soft palate, malocclusion, anterior open bite and enamel hypoplasia. The purpose of this presentation is to describe the interesting aspects of dental treatment of a patient with TCS. A 6-year-old boy with TCS visited Seoul National University Dental Hospital for dental caries. Multiple caries was observed from clinical and radiographic examination. Because of multiple caries and behavior management ploblem, dental treatment under general anesthesia was planned. Treatment of posterior teeth was performed and some primary teeth were extracted. General anesthesia was induced and maintained with sevoflurane, nitrous oxide and oxygen. Under general anesthesia, successful dental procedure was done. Considering behavior management problem and medical condition of patient with TCS, general anesthesia can be useful.

• The Journal of the Korea Contents Association
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• v.9 no.5
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• pp.166-173
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• 2009

The purpose of this study was to examine the satisfaction level of patients with oral health care provided by a dental hospital, especially scaling, and their oral health behavior. The subjects in this study were 263 college students who were in their 20s and selected from among patients who visited D university dental hospital in Gangwon Province during the oral prophylaxis practice of dental hygiene sophomores and juniors. The findings of the study were as follows: 1. Whether the selected students had ever had their teeth scaled was checked, and those who had outnumbered the others who hadn't. The rates of the former and latter respectively stood at 61.2 percent and 38.8 percent. Regarding places where they got their teeth scaled, the majority of the students that represented 75.2 percent did that at dental clinics. By gender, 34.4 percent of the male students did that at schools, which were larger than 11.8 percent of the female students who did. 88.2 percent of the female students did that at dental clinics, which were larger than 65.5 percent of the male students who did. Gender made significant differences to that(x2=10.79, p<.01). 2. As for satisfaction level with scaling by gender, the male students (38.7%) who had no specific idea outnumbered the female students (26.5%) who did. The female students(57.4%) who felt no pain during scaling outnumbered the male students(55.9%) who did. Gender made a significant difference to their responses. (x2=6.38, p<.05). 3. Concerning the use of oral hygiene supplies, most of the students who represented 72.2 percent had never flossed their teeth, and as many as 86.3 percent had never used a tongue cleaner. But the gaps between them and the others were not statistically significant.

• Journal of dental hygiene science
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• v.12 no.4
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• pp.443-450
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• 2012

In this study, a survey was conducted to check the health status and health-related behavior according to the subjective oral malodor of some university students targeting 1,490 students who are attending N university in Cheonan. Based on the result to confirm the awareness of oral malodor and systemic diseases status, there were many cases to be realized such as sinus infection, chronic rhinitis, asthma, gastrointestinal disorders and xerostama among the people who think that they have bad breath, not the people who think that they don't have bad breath (p<.05). Based on the result to confirm the subjective oral health condition according to awareness of oral malodor status, it was shown that there were more respondents who have some oral conditions such as 'there are tooth to be treated', 'there is food stuck between tooth' and 'the gums are often swollen' among the people who realize that they have bad breath, not the people who think that they don't have bad breath (p<.05). It was shown that there were more cases to be brushed teeth everyday among the people who realize that they don't have bad breath than the people who think that they have bad breath (p<.05) and there were more cases to be used dental floss and to be brushed tongue everyday among the people who think that they don't have bad breath (p<.01).