• Journal of Korean society of Dental Hygiene
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• v.17 no.3
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• pp.539-551
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• 2017

Objectives: The purpose of this study was to investigate the changes in factors on unmet dental scaling rate before and after the national health insurance. Methods: This study used the $2^{nd}$ data from the Community Health Survey. The study participants numbered 209,341 in 2011 and 219,517 in 2013.The average age was $51{\pm}17$ in 2011 and $52{\pm}17$ in 2013. Data were analyzed by descriptive statistics, chi -squared test and logistic regression using SPSS 23.0. Results: The scaling experienced rate of Korean adults has fallen by 3.5% from 66% to 69.5%. Logistic regression analysis showed that 2.7 times more 'people who were educated at elementary school level or lower' did not use dental scaling compared to higher educated children. Agriculture, forestry and fisheries workers did not use scaling at 2.0 times. Local residents with an income of less than one million won did not use 1.7times scaling. Local residents of 'no private insurance' did not use scaling at 1.5 times. In the case of the predisposing factors, the 20s had less than 1.8 times scaling compared to 50s. In the case of needs factor, local residents who experienced 'bad oral health status' and 'dental calculus' were treated scaling 1.3 times less compared to people with good oral health status and normal periodontal symptoms. Conclusions: In Korea, local residents are less frequently treated scaling due to enabling factors such as accessibility. In addition, predisposing factors such as age and sex, and oral health status and periodontal symptoms were related to not using the dental scaling. Therefore, the universality of health care services should be considered so that people who need periodontal care can use scaling.

• Proceedings of the Korean Nuclear Society Conference
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• 1995.05b
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• pp.833-838
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• 1995

This study presents a method to predict plant-specific and operational history dependent scaling factors. Realistic and detailed approaches are taken to find scaling factors at reactor coolant. This approach begins with fission product release mechanisms and fundamental release properties of fuel-source nuclide such as fission product and transuranic nuclide. Scaling factors at various waste streams are derived from the predicted reactor coolant scaling factors with the use of radionuclide retention and build up model. This model makes use of radioactive material balance within the radioactive waste processing systems. According to input parameters of plant operation history, scaling factors predicted at reactor coolant and waste streams are well brought out the effects of plant operation history.

• 제어로봇시스템학회:학술대회논문집
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• 1997.10a
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• pp.1512-1515
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• 1997

One of the advantages of master-slave teleoperation is scaling concept such as position scaling, force scaling Meanuhile, lots of quantization effects are generated from position and force sensors in the master and slave manipulator. In this paper, to show the output error caused by the quantizaion effects from the position sensor and position scaling factor, simulation is done for free motion without contact in slave side. Transfer functiion model in which the quantization effect is assumed to be a disturbance input to the system is derived. Model shows that Jacobian, scaling factors, and controller affect the output by quantization effects form esnsors. One dof master and slave are used for simulation. In our study, the higher sensor resolution decreases the output error form quantization. Scaling factors can amplify the quantizatiion effects form the sensors in master and slave manipulators.

• Journal of Korean society of Dental Hygiene
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• v.23 no.6
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• pp.467-474
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• 2023

Objectives: To investigate factors related to scaling between Korean and multicultural families using data from the 18th Youth Health Behavior Survey (KYRBS), 38,320 Korean adolescents were selected as subjects. Methods: A complex sample cross-analysis was conducted on general characteristics and oral health characteristics using the IBM SPSS program. Factors related to adolescent scaling were analyzed using complex sample logistic regression analysis. Results: Compared to Korean families, adolescents from multicultural families had 0.50 times less scaling experience within 12 months. Learning achievement was 1.30 times higher in high compared to low, indicating that scaling experience was high. In terms of economic status, scaling experience was found to be high at 1.50 times in high compared to low. Non-smoking adolescents had 1.26 times higher scaling experience. It was found that adolescents who do not use dental floss and interdental brushes have 0.71 and 0.55 times less scaling experience, respectively. Conclusions: Based on the above results, there is a need to increase adolescents awareness of oral health and motivate them to manage their own oral care. There is a need to provide opportunities to participate in various oral health education programs and to deepen continuous oral health education on oral disease prevention.

• Journal of Korean society of Dental Hygiene
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• v.13 no.6
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• pp.977-985
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• 2013

Objectives : The purpose of the study is to investigate Korean scaling fear (KSF)-1.1 and related factors in scaling patients. Methods : The subjects were 314 scaling patients in 7 dental clinics in Daegu from April to June, 2013. Data were analyzed for simple frequency rate, t-test and ANOVA(Sheffes's post hoc) for the identification of the differences between KSF-1.1 and variables. Multiple regression was analyzed for the impact of independent variable on the score of KSF-1.1. Results : Mean score of KSF-1.1 in 314 scaling patients was 2.60. Female patients (2.71) had a higher score than male (2.47) (p<0.01). Those who didn't get a regular dental check up(2.87) tended to have higher fear level than those who had regular checkup (2.46) (p<0.001). Those who experienced dental pain (2.90) had significantly higher score than those who had not (2.46) (p<0.001). There was a significant difference between three groups (yes 3.03, ordinary 2.79, and no 2.42) in scaling (p<0.001) and financial burden (p<0.001). Variables associated with score of KSF-1.1 were gender(${\beta}$=0.21, p<0.05), waiting time for scaling(${\beta}$=0.24, p<0.01) and financial burden (${\beta}$=0.22, p<0.02) by multiple regression analysis. Conclusions : The influencing factors of scaling were gender, financial burden, waiting time for scaling that may effect on a score of KSF-1.1.

• Proceedings of the KIEE Conference
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• 1997.07b
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• pp.705-707
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• 1997

An optimal tuning algorithm of scaling factors is presented in this paper to automatically improve the performance of fuzzy controller. Especially, fuzzy controller has determined an moderate Scaling factor through trial and error. The presented method estimates automatically the optimal values of I/O scaling factors, using modified steepest descent method and this optimal tuning is for nonlinear input/output scaling factors. Simulation results verify the validity of the presented method.

• Journal of Industrial Technology
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• v.15
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• pp.195-202
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• 1995

In this paper, we analyze the effects of scaling factors on the performance of a fuzzy controller. The quantitative relation between input and output variables of a fuzzy controller is obtained by using a quasi-linear fuzzy model. And an approximate transfer function of a fuzzy controller is derived from the comparison of fuzzy controller with the conventional PID controller. Then we analyze the effects of scaling factor using this approximate transfer function and root locus method.

• Journal of Korean society of Dental Hygiene
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• v.11 no.1
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• pp.1-12
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• 2011

Objectives : This study was to investigate into company workers' oral scaling related factors and enhance a rate of oral scaling. Methods : From August 2010, self-administered questionnaires of the about general question items, oral health relation factors, knowledge of periodontal disease for oral scaling performed, in 267 people worker objects. Results : The followings are the findingd of this research. First, Oral scaling experiences were responded by 205 people(76.8%). Among those prevention the case which enforces with a goal periodically 6 month period 7.3% and the period of 1 years is 28.8%, be most inconvenient is cold(50.7%), with motive is dentistry visits inducement for tooth therapy which 51.2%, Non experience in oral scaling was responded by 62 people(23.2%), 45.2% of whom answered they had no necessity for such treatment. Second, Knowledge of periodontal disease is 'dental calculus and stain loses toothbrush quality did eagerly' incorrect one right answer ratio is highest with 86.5%, 'Becoming the adult being made to draw out tooth is periodontitis than decay' was incorrect one right answer rate was lowest with 62.9%. Third, The workers' sex, service field, one month average income, Currently the oral inconvenient presence, oral health Interest degree, tooth brushing method, knowledge of periodontitis have a significant effect on their oral scaling experience. Conclusions : When seeing with result of above, it is necessary of the oral scaling widely with the method which is various includes a mass communication by causing the changes in the perception of oral scaling. The dental hygienist is inconvenience from oral scaling experience have interest when is possible the patient comfortably, in order could be operated, endeavors demanded.

• The Journal of Korean Society for School & Community Health Education
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• v.13 no.1
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• pp.55-64
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• 2012

Objectives: The purpose of this study was related factors of oral health of scaling patients in dental hygiene department. Methods: The sample consisted of 218 at the scaling practice room of dental hygiene department in D College from March to November 2011. Chi-square test was used to analyze the relation the oral health behavior or oral hygiene and oral health, and losistic regression analysis was performed to analyze the factors asociated with oral health. Results: Scaling patients was 43.6% of the male and 56.4% of the women. Their age group was 79.8% of the twenty. Lately they was smoking status 69.7%. Brushing three times a day, 55.8% in male and female were 74.0% with significant differences(p=0.019). Kind of toothbrush "normal" the response was the highest, 45.3% male, 62.6% women were significantly higher in women(p=0.012). Toothbrushing educational experienced 33.7% men, women's educational experience rate of 52.8% was significantly higher(p=0.006), use of oral hygiene products education experienced 15.8% of the men and women 27.6% had significant difference(p=0.049). Scaling experience is not in the Dental plaque index the number of "bad" was significantly higher(p=0.035), toothbrushing educational experience is not in the Dental plaque index the number of "bad" and significantly higher(p=0.008) and Gingival bleeding index was significantly higher(p=0.033). Use of oral hygiene products educational experience if you do not have the number of the Dental plaque index "bad" were higher(p=0.011). Gingival bleeding index, affecting demographic variables were smoking(p=0.024). Dental plaque index the influence of experience with oral hygiene products factors(p=0.044) and gingival bleeding index was influenced Toothbrushing of educational experience(p=0.029). Conclusion: The results reported here confirm the factors associated with the oral health were education of oral hygiene products factors and Toothbrushing experience.

• Proceedings of the KIEE Conference
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• 2001.11c
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• pp.416-419
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• 2001

In this paper a new approach to estimate scaling factors of fuzzy controllers such as the fuzzy PID controller and the fuzzy PD controller is presented. The performance of the fuzzy controller is sensitive to the variety of scaling factors[1]. The desist procedure dwells on the use of evolutionary computing(a genetic algorithm) and estimation algorithm for dynamic systems (the inverted pendulum). The tuning of the scaling factors of the fuzzy controller is essential to the entire optimization process. And then we estimate scaling factors of the fuzzy controller by means of two types of estimation algorithms such as Neuro-Fuzzy model, and regression polynomial [7]. This method can be applied to the nonlinear system as the inverted pendulum. Numerical studies are presented and a detailed comparative analysis is also included.