• 한국치위생학회지
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• 제15권1호
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• pp.39-46
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• 2015

Objectives: The purpose of the study is to investigate the cognition of dental caries prevention by the level of socioeconomic status based on Gallup survey in Korea. Methods: This study was done by Korean Gallup survey in October, 2010. A trained researcher carried out the computer aided telephone interview(CATI) using a structured questionnaire. This study was based on the latest population statistics of resident registration and whole country's phone data base. This survey included 869 selected Korean adults over 19 years old, and they were asked to answer a CATI. The questionnaire consisted of general characteristics of the subjects and socioeconomic factors including age, gender, education level, monthly income, and residential area. Cognition of dental caries prevention was measured by Likert 4 scale including 'much', 'a little', 'rarely', and 'never'. The attitude toward dental caries prevention consisted of daily tooth brushing frequency, experience of oral health education, regular dental checkup, chewing gums(xylitol), regular scaling, and use of oral care devices. Data were analyzed using SPSS 20.0 for frequency analysis, t-test, chi-square test, and one way ANOVA. Cronbach's alpha was 0.462 in oral health concern and attitude. Results: Mean of the frequencies of daily tooth brushing in men was 2.54 times and 2.78 in women. By the comparison to age group, 35-44 years old group had 2.82 times, 19-37 years old group had 2.72 times, and 45-64 years old group had 2.51 times. The level of education and monthly income was proportional to the tooth brushing frequency. Highly educated and higher monthly income group received regular dental checkup within a year and used the auxiliary oral health care devices. Conclusions: This study suggested the relationship between dental caries prevention and socioeconomic status. It is important to provide the low socioeconomic group with the better oral health promotion services in the future.

• Journal of Animal Science and Technology
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• 제52권1호
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• pp.57-64
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• 2010

This study was conducted to compare the aspects of behavior between miniature pigs and conventional sows during gestation and lactation periods. Miniature pigs and conventional sows at 3 parity were used in this experiment with 4 pigs per treatment. The behavioral patterns and stereotyped behaviors were observed on day 60 and 90 of gestation, at farrowing, and on day 10 of lactation before and after the feeding. On 60 and 90 days of pregnancy, both treatments showed the tendency of frequent lateral lying rather than other postures. On ventral lying, eating and drinking, miniature pigs spent more time than conventional pigs at day 90 of gestation (P<0.01, P=0.0539, P<0.05, respectively). The occurrence of stereotyped behaviors included bar biting and bar mouth chewing. At 90 day of pregnancy was observed, conventional pigs was higher than miniature pigs (P<0.05). At farrowing, miniature pigs spent more time on ventral lying, standing and walking than conventional sows (P<0.05), however, there were more frequency of drinking and eating. And on day 10 of lactation, there was no significant difference in stereotyped behaviors between miniature pigs and conventional sows. In conclusion, miniature pigs were generally more sensitive than conventional sows although sows were reared in stall during gestation and lactation period and the behavioral pattern during lactating period showed the similarity between miniature pigs and conventional sows for protection of nursing pigs. In consideration of the general reproductive performance of conventional sows, the high sensitivity and stress of miniature pigs did not affect the reproductive performance of miniature pigs.

• The Journal of Advanced Prosthodontics
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• 제4권2호
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• pp.109-115
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• 2012

PURPOSE. The purpose of this clinical study was to evaluate the frequency and type of prosthetic complications in relation to type and properties of removable dentures and to investigate the influence of these complications and several data about the existing dentures on patient satisfaction. MATERIALS AND METHODS. Ninety nine patients (44 males and 55 females) wearing removable dentures have been included in the study. The complications of the patients were recorded; patient satisfaction was determined with a Visual Analog Scale (VAS) and the relationship of complications and patient satisfaction with several data about the dentures such as denture age, type of denture, centric relation and vertical dimension was investigated. Kruskal Wallis, Mann Whitney U and Chi square tests were used for statistical analyses. The results were evaluated statistically at a significance level of $P$ <.05. RESULTS. Need for addition of artificial teeth for dentures with correct centric relations was found to be significantly lower than dentures with wrong centric relations ($P$ <.01). Loss of retention, ulcerations and high vertical dimension affected the VAS chewing ability scores negatively and ulcerations affected the VAS phonation scores negatively ($P$ <.05). CONCLUSION. Considering the results of this study, it can be concluded that loss of retention, ulcerations and high vertical dimension caused patient dissatisfaction. Additionally, dentures with wrong centric relations caused need for addition of artificial teeth.

• 대한치과기공학회지
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• 제34권2호
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• pp.179-199
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• 2012

Purpose: This study was conducted to prepare the fundamental data on oral hygiene of the elderly and to assess the behavior of oral hygiene, subjective oral health, oral health problem among the elderly, and to contribute to successful enhancement of life in their declining years. Methods: The author surveyed the behavior of oral hygiene, subjective oral health, oral health problem to 192 elderly at a health center of Busan using structured self- administered questionnaire from Nov. 2nd 2009 to Feb. 10th 2010. Collected data were analysed by SPSS WIN 18.0 statistical program for frequency, percentage production, ${\chi}^2$ (Chi-square) verification, t-test, One-way ANOVA, Logistic Regression. Results: The distribution of total subjects by oral health behaviors were 56.8% for "have ever trained how to tooth brushing", 76.6% for "correctly performed tooth brushing by himself ", 71.8% for "tooth brushing a day is two times and less", 87.5% for "it doesn't tooth brushing in meals and after" and 53.6% for "it doesn't use the facility for oral health", respectively. The distribution of total subjects by the state of perceived oral health were 51.0% for "feel the oral discomfort", 51.6% for "feel the comfortable chewing on starchy food", respectively. The mean point of perceived oral health by general characteristics of total subjects were statistically significant difference in sex, type of medical insurance, smoke, exercise, and chronic disease. The mean point of perceived oral health by oral health behaviors of total subjects were statistically significant difference in educational experience on tooth brushing, recognition for tooth brushing by himself, tooth brushing a day, and tongue cleaning. The risk factors of perceived oral health were type of medical insurance and chronic disease in general characteristics, tooth brushing in meals and after and tooth brushing a day, and tongue cleaning in oral health behaviors. Conclusion: The author recommend to the prevention of chronic disease, carry out the tooth brushing in meals and after, three times and over tooth brushing a day and tongue cleaning for oral health. and the author consider that it need to prepare the active countermeasure to oral health such as reeducation for oral health and supply to the tongue cleaner.

• 한국치위생학회지
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• 제17권1호
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• pp.99-110
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• 2017

Objectives: I examined the health and oral health status of elderly people living alone compared to elderly people living with their families by using data (2014) from the 6th Two-Year Korea National Health and Nutrition Examination Survey. Methods: Among 1,454 health survey respondents aged 65 years and over who participated in the 6th Two-Year Korea National Health and Nutrition Examination Survey conducted in 2014, 311 were elderly people living alone and 1,143 were elderly people living with their families. Results: In terms of socio-demographic characteristics, the percentage of elderly people living alone was high especially in women and when the subjects' age, education level, and income level were low. In terms of oral health status, the percentage of elderly people living alone was high when elderly people thought that their subjectively viewed health was poor and the frequency of drinking and exercise was low. In terms of oral health status, the percentage of elderly people living alone was high among elderly people who did not have good oral health in their subjective view and did not get oral examinations for a year and had a lot of difficulty chewing. Conclusions: Family support or additional social support for elderly people who live alone should be considered to promote the healthy lives of elderly people.

• 대한장애인치과학회지
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• 제7권1호
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• pp.21-24
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• 2011

11세 여환이 저작시 불편감을 주소로 내원하여 임상 구강 검사 결과 하악 우측 구치부의 scissor bite이 관찰되었다. 내원 당시 환아는 치과 치료에 대한 두려움과 거부감을 나 타냈고 이에 1년 동안 정기 검진을 하여 환자와의 신뢰관계를 형성 후 교정치료가 가능하였다. Williams Syndrome 환자의 경우 사교적이며 친밀한 성격임에도 치과종사자나 치과 치료에 대한 두려움을 가질 수 있어 치료를 시작하기 전 환자와 치과 종사자간의 관계 형성을 통한 신뢰를 획득함으로 더 나은 질의 치료를 시행할 수 있을 것이다.

• The Journal of Advanced Prosthodontics
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• 제12권1호
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• pp.1-8
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• 2020

PURPOSE. To investigate the influence of crown material (lithium-disilicate, 3Y-TZP zirconia) and abutment type (rigid implant, resin tooth with artificial periodontium) on wear performance of their antagonist teeth and adjacent teeth. MATERIALS AND METHODS. A mandibular left first molar (#36) with adjacent human teeth (mandibular left second premolar: #35, mandibular left second molar: #37) and antagonistic human teeth (maxillary left second premolar: #25, maxillary left first molar: #26, maxillary left second molar: #27) was prepared simulating a section of the jaw. Samples were made with extracted human molars (Reference), crowned implants (Implant), or crowned resin tooth analogues (Tooth). Crowns (tooth #36; n = 16/material) were milled from lithium-disilicate (Li, IPS e.max CAD) or 3Y-TZP zirconia (Zr, IPS e.max ZirCAD, both Ivoclar Vivadent). Thermal cycling and mechanical loading (TCML) in the chewing simulator were applied simulating 15 years of clinical service. Wear traces were analyzed (frequency [n], depth [㎛]) and evaluated using scanning electron pictures. Wear results were compared by one-way-ANOVA and post-hoc-Bonferroni (α = 0.05). RESULTS. After TCML, no visible wear traces were found on Zr. Li showed more wear traces (n = 30-31) than the reference (n = 21). Antagonistic teeth #26 showed more wear traces in contact to both ceramics (n = 27-29) than to the reference (n = 21). Strong wear traces (> 350 ㎛) on antagonists and their adjacent teeth were found only in crowned groups. Abutment type influenced number and depth of wear facets on the antagonistic and adjacent teeth. CONCLUSION. The clinically relevant model with human antagonistic and adjacent teeth allowed for a limited comparison of the wear situation. The total number of wear traces and strong wear on crowns, antagonistic and adjacent teeth were influenced by crown material.

• 대한영양사협회학술지
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• 제15권2호
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• pp.139-151
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• 2009

The purpose of this study was to investigate the eating patterns of children with cerebral palsy having motor disturbances as well as stiffness. The food habits, nutritional status, and snack intakes of 1 to 7 year-old children with cerebral palsy were examined. The subjects were grouped into three categories according to their table-utensil handling skills: superior, normal, and inferior. The children in the superior group were significantly taller and heavier compared to children in the other two groups. The %EARs of folic acid and total calorie intake were insufficient in all three groups; however, their %EARs of other nutrients were fully sufficient. When comparing the children's intake frequencies and preferences for snacks, the superior group showed a greater likelihood to consume various kinds of snacks than the inferior group. And the inferior group disliked more kinds of snacks than the other two groups. It was also shown that the inferior group had a significantly higher tendency for problems in chewing and swallowing. These results indicate that the development of table utensil-handling skills is very important for the food intake and growth of children with cerebral palsy, and the better their table utensil-handling skills the greater their physical development. Thus, considering their preference and intake frequency, it seems necessary that children in the inferior group be provided a greater variety of snacks and foods to receive more calories.

• Journal of Acupuncture Research
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• 제18권5호
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• pp.109-121
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• 2001

Objective : The purpose of This study is to analyze influence of functional and clinical improvement effect on temporomandibular disorders of Dong-Qi acupuncture treatment that often be used to temporomandibular disorder patients. Methods : We investigated to focus temporomandibular disorders in Jaseng oriental medicine hospital from September 8, 2000 to March 22, 2001. We compared to before and after treatment situation using temporomandibular disease & facial ache dolor pain and malignant function disorders & activation inhibition analysis from one cured Dong-Qi acupuncture treatment of outpatients-40 examples. Results : These results appeared that Sex distinction occurrence ratio was much more female than male of 1: 7. Age distinction occupied the most ratio in 20-30 generation. Jobs was mainly ranked students and companion. In cases treated before visiting our hospital, was mainly ranked our hospital first dignosis. the distribution interval of solider was mainly followed above 3 years. the distribution interval of treatment was mainly gone within 1 month and above 3 month, frequency of treatment was examined below 5 times, into 6 to 10 times, more than 11 times, respectively. Everything showed a very valuable effect except chewing and dentalgia in decrease of ache dolor pain and linkage pain related to mal-function. There are meaningful effect in Every part on Mal-function improvement. Every contents showed a very excellent effect except activation such as motivation ingestion and recreation in influence of activation. Conclusion : The above results showed a very valuable treatment effect of temporomandibular disorders on Dong-Qi acupuncture treatment. Therefore we are considered the necessity of continuous study and observation applying to other disease as well as temporomandibular disorders.

• 치위생과학회지
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• 제21권3호
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• pp.185-197
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• 2021

Background: This study aimed at investigating the meal regularity, health, and oral health habits of single Korean households to understand the impact of these factors on the risk of metabolic syndrome, in addition to preventing and managing metabolic syndrome. Methods: Using raw data from the 8th Korea National Health and Nutrition Examination Survey (2019), 274 study subjects, aged 19 to 64, were selected primarily from single adult households. Complex sample statistical analysis was performed using the Predictive Analytics Software Statistics ver. 18.0 program. Results: Regarding the meal regularity in single-person households in Korea, the younger group outperformed the middle-aged group, and those who drank more than once a month performed better than those who drank less than once a month. In terms of oral health, regardless of the age and the income level, participants who ate three meals a day had a higher rate of speech problems and chewing difficulties than those who ate irregularly or regularly on a regular day. Factors influencing the risk of developing metabolic syndrome were age, speech problems, and frequency of toothbrushing. Compared to the younger group, there were 0.361 times more people in the middle-aged group; and compared to those without speech problems, there were 1.161 more people with speech problem. Compared to those who tooth brushed more than four times a day, there were 1.284 more people who tooth brushed 2 to 3 times a day and there were 5.673 times more people who tooth brushed less than once. Conclusion: Based on the study results, it is necessary to implement a program that can plan and apply customized management measures and prevent metabolic syndrome by improving and correcting the health and oral health behaviors of single-person households in Korea. Therefore, active mediation measures, such as support and publicity at the local or national level, should be planned.