韓國農村人에 있어서 口腔衛生狀態에 關한 硏究

鄭昊均 최신의학사 1969 最新醫學 Vol.12 No.12

To evaluate Oral Hygiene Status and its relationship with Tooth-brushing habits in rural dwellers in Korea, the author has performed interviewing and oral examination on 340 persons(male:130, female :210) of Kang Won Do province ranging from 20 to 49 years of age. For figurical detailed estimation, Oral Hygiene Index Scores by Dr. Greene's Method and Tooth-brushing Frequency were obtained from the survey findings in the respect of aging and sex respectively, lastly both scores were observed in interconnection. The results were obtained as follows: 1. With increasing age, Tooth-brushing Frequency was decreased and Oral Hygiene Index Scores were increased correspondingly. 2. Tooth-brushing Frequency was more prevalent in females than in males and Oral Hygiene Index Scores were more'in males(2.99) than in females(2.63): more poor Oral Hygiene Status in males than in females. 3. "No Tooth-brushing" persons(16.5 %) revealed higher Oral Hygiene Index Score(3.77) than the Oral Hygiene Index Score(2.23) of the "once a day Tooth-brushing" persons(47%): more poor Oral Hygiene Status in "No Tooth-brushing" persons than, in "once a day Tooth-brushing" persons. 4. The Oral Hygiene index decreases significantly with each increase in Tooth-brushing Frequency.

유기 ELD의 개요 및 연구동향

정호균,권장혁 대한기계학회 2001 기계저널 Vol.41 No.5

Solid Composite Polymer Electrolytes Containing Silica-Based Single-Ion Conducting Nanoparticles

정호균,최우혁 한국고분자학회 2017 한국고분자학회 학술대회 연구논문 초록집 Vol.42 No.2

여성 근로자의 측두하악장애에 대한 역학적 연구

정호균,최덕형 중앙대부설한국의과학연구소 1996 한국의과학 Vol.28 No.3

유기 EL 기술개요 및 동향

정호균,정준효,Jeong, Ho-Gyun,Jeong, Jun-Hyo 한국정보통신집흥협회 2002 정보화사회 Vol.157 No.-

Rawls의 差異原理와 그 敎育的 示唆

鄭浩均 경북대학교 교육대학원 1986 논문집 Vol.18 No.-

This study aims to investigate the meanings, applications, and difficulties of Rawls's difference principle in the context of education. The conclusions as the results are as follows. The difference principle does not purpose only to compensate the natural abilities. The compensatory education aims to reduce the difference of achievement, with the recognition of the difference of opportunity in the access to the education and the compensation for handicaps to achievement. The principle can regulate both the ways of using the contingencies which affect on educational achievement and the ways for social utilization of educational achievements. The foundation of compensation by the principle lies in the social cooperation and contribution. The simple compensation deviates from the principle of reciprocity and is likely to deprive the individual of self-respect as the most basic good for him. In this respect, the idea of meritocracy cannot be included in educational policy for difference principle. The basic intention of the principle is requiring to select the viewpoint of the least advantaged. In education, the least advantaged are the children who are the most unfavorable in educational achievement unless they are are given some special treatments. From the viewpoint of the social function of educational benefits, those who lack the abilities and the opportunities necessary for accomplishing the educational benefits which are intimately related to the production of socio-economic benefits are the least advantaged in education. Rawls admits the justifiable social inequalities and argues for the principle, assuming the existence of the least advantaged class. His political liberalism cannot agree to the radical elimination of the leat advantaged by the structural change of society. In liberalistic education, we must determine the educationally least advantaged by deficiencies of access to educational achievements which are closely related to the formation of the least advantaged class, and we must make educational decisions so that they get a prior treatment for those achievements.

만성신부전환자의 구강위생상태에 관한 역학적 조사연구

정호균,박주현,홍지원,강홍구 중앙대부설한국의과학연구소 1991 한국의과학 Vol.23 No.1

증강현실 환경에서 적외선 센서를 이용한 특징점 기반 객체 추적 방안

정호균,박형준 한국CDE학회 2019 한국CDE학회 논문집 Vol.24 No.3

Infrared (IR) images obtained from IR sensors are usually less noisy and more robust to illumination changes than RGB images. In this paper, we propose an accurate and robust method for feature points-based object tracking using IR images in augmented reality (AR) environments. Using a stereo camera consisting of an RGB camera and an IR camera, the method captures RGB and IR images of an IR marker composed of a small number of IR LED points randomly placed on a flat square. The method adopts a multi-layer thresholding algorithm devised for robustly detecting the centers of IR LED dots in each IR image. In addition, it makes good use of locally likely arrangement hashing (LLAH) in order to describe and recognize the IR LED centers as feature points, which are used to compute the transformation between the IR camera and the IR marker frames. We have implemented the proposed method and conducted various experiments to show its quality and advantages over previous methods based on marker or feature tracking in RGB images. We expect that it can be very useful where RGB imagebased tracking methods do not work well due to image noises and light conditions.

Synthesis of Silica Aerogel Hybrid Electrolyte Grafted with Ionic Molecule via Sol-gel Reaction and Free Radical Polymerization

정호균,최우혁 한국고분자학회 2019 한국고분자학회 학술대회 연구논문 초록집 Vol.44 No.2

악안면골 골절에 관한 임상적 연구

정호균 중앙대학교 의과대학 의과학연구소 1988 中央醫大誌 Vol.13 No.4

This report was a retrospective study on maxillofacial bone fractures of Koreans. The study was based on a series 306 patients who had been treated for maxillofacial fractures as in-patient at Hospital of Medical college of Chung-Ang University during the pried of 1982 to 1987. The results obtained are as follows; 1. The ratio of Men to Women was 4.2:1, and the incidence of facial bone fractures increased continuously year after year. 2. The age frequency was highest in Tnd decade(38.3%), and age distribution of patient ranged from 4 years to 84 years. 3. Traffic accident(40.7%), fighting(28.5%) were the most common cause of maxillofacial bone fractures. 4. The frequent locations of maxillofacial fractures were nasal bone(49.4%) and followed by the mandible(22.2%), zygoma and zygomatic arch(16.6%) and maxilla(11.8%) in order. One location fractured in 88.1% and multiple locations were involved in 11.9%. 5. In 98 patients of mandible fractures, 85(86.7) had fractures only in mandible and 13(13.3%) had another facial bone fractures. The most frequent fracture site was Symphyseal area(37.4%) and simple fracture was the most frequent in type of fractures(43.9%). Teeth or alveolar bone trauma cases were 55.5% and close reduction with intermaxillary fixation was major method of treatment(43.9%) in mandible fractures. 6. In 52 patients of Maxillary fractures, 19(36.5%) had fractures only in maxilla and 33(63,5%) had another facial bone fractures. The most predominent fracture site was Le Fort Ⅱ(28.8%), and teeth or alveolar trauma occured in 25.0% and open reduction was major method of treatment(34.6%) in maxillary fractures. 7. In 73 patients of zygoma complex fractures, 41(56.2%) had fractures only in zygoma complex and 32(43.8%) had another facial bone fractures. The most frequent fracture site was zygoma(54.8%), and observation (47.9%) and open reduction(35.6% ) were major method of treatment in zygoma complex fractures. 8. In 218 patients of nasal bone fractures, 195(89.4%) had fractures only in nasal bone and 23(10.6%) had fractures on another facial bone. Closed reduction(55.5%) and observation(28.4%) were major methods of treatment. 9. In 386 patients of facial bone fractures, the most common associated injury with facial bone fractures was head(32.7%) and eye(20.4%) injures.