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Optimum mandibular position guide by use of EMG activity and intra-oral trace
Kang, Dong Wan,Kang, Jae Seok,Lee, Seung Ho 朝鮮大學校 口腔生物學硏究所 2002 Oral Biology Research (Oral Biol Res) Vol.26 No.1
본 연구는 구내 묘기 장치를 이용해 채득한 여러 하악위의 근 활성도를 측정하고 비교 분석하여 구강 회복시 최적의 하악위를 알아보고자 한다. 이를 위해 악관절이 건강하고 교압이 건전한 10명의 대상을 선정하였고 구내 묘기 장치를 교합기 상에서 조립한 후 동일한 수직 고경에서 교두감합위의 교합상을 제작하였다. 구내 묘기 장치를 구강내 장착하여 최후방위, 저작위, tapping position, myocentric position을 채득하였고 각각의 위치와 교두감합위에서 BIO-PAK system (BioResearch Associates, Inc. U.S.A.)을 이용하여 교근과 측두근의 근 활성도를 측정하였다. 모든 위치에서 3번의 측정이 시행되었고 평균치를 이용하여 교두감합위와의 비교, 교근과 측두근의 좌우 비교, 측두근과 교근의 비율을 비교하여 다음과 같은 결과를 얻었다. 1. 최대 교두감합위와의 비교에서 저작위가 가장 비슷하였고, tapping position, myocentric position, 최후방위 순이었으나 각 위치간의 통계학적 유의성은 관찰되지 않았다. 2. 교근의 좌우 대칭성 비교에서 tapping position이 가장 우수하였고, 저작위, 교두감합위순이었고 myocentric position과 최후방위에서 대칭성이 가장 낮았다 (P<.05). 3. 측두근의 좌우 대칭서이 비교에서 저작위가 가장 우수하였고 최후방위, 교두감합위, myocentric position, tapping position 순이었으나 통계학적 유의성은 관찰되지 않았다. 4. 좌측의 측두근과 교근 비에서 최후방위가 가장 높았고 myocentric position, tapping position, 저작위, 교두감합위 순이었다. 최후방위에서의 측두근과 교근의 비는 교두감합위에서의 비도다 컸다. (P<.05). 이상의 결과를 토대로 임상적으로 구강 회복시 치료위로서 저작위는 저작근의 균형과 활성, 구강악계의 기능향상에 유용할 것으로 사료된다.
구강진료기관 이용자의 구강보건 지식과 행동에 관한 연구
이향님,김동기 朝鮮大學校 口腔生物學硏究所 1999 口腔生物學硏究 Vol.23 No.2
Dental disease is a chronic process in human liver. Therefore, early prevention and inital treatment of it are very important action for the increment of quality of life. The purpose of this study was to provide basic data for promoting health education to dental outpatients who visited local dental clinics. A questionnaire survey of Mok-po was done toward 436 respondents to find oral health knowledge and behavior and after that analyzed it. The results were as follows: 1. The most common source of information about oral health was mess communications. 2. Average tooth brushing frequency was 2.5 times a day. The frequency of women were more than that of men. Those who had higher level of education and monthly income practiced significantly frequent tooth brushing(p<0.05). 3. Professional preventive dental care procedure was highly increased to the old age, more education level and income. 4. 57.80 percent of respondents accepted the necessity of water fluoridation. 5. As the effect of oral health promotion, recall check showed good result for patients and next dental flossing, diet control in turns. 6. The respondents with the higher knowledge of dental caries, periodontal disease and fluoridation had they practiced restriction of sugar intake, education about the importance of oral health, and regular visit to dental clinic.
교합고경 상실 수복을 위한 완전구강회복에 관한 임상적 연구
계기성,이규칠,강승종 朝鮮大學校 口腔生物學硏究所 1989 口腔生物學硏究 Vol.13 No.-
Authors had the patient wear the occlusal stabilization splint for 10 weeks to regain a vertical jaw relation that is consistent with the contracted length of the muscles for the patient who had a lost verical dimension caused by the severe attrition and abrasion of all teeth of the upper and lower dental arch. The purpose of this study was to know the PMS concept and its technique to provide an excellent and practical method for determining an occlusal plane that will fulfill all the requirements of a correct occlusion. Immediately afger equalizing the muscle activities of the right and left closing muscles using EM2 to the patient wearing the occlusal splint, the full mouth rehabilitation of the PMS concept and its technique was done. From this clinical study the following results were obtained. 1. The application of using EM2 was necessary to equalize the muscle activities of the right and left closing muscles. 2. The plane of occlusion of the lower posterior teeth was established by incorporating a Curve of Spee which is approximately the arc of a four inch circle using the Broadrick occlusal plane anlayzer. 3. The lingual surface of the maxillary anterior teeth was established with the long centric which had no contact at centric relation occlusion and had contact at centric occlusion without the change of the vertical dimension. 4. The occlusion of the masillary posterior teeth was established by application of the concept of a long dentric and the group functioned occlusion, utilizing a F. G. P technic in the patient's mouth. 5. There was not andy occlusal interferences between the centric relation occlusion and the centric occlusion under every mandibular movement and good results were obtained functionally and esthetically.
정학균,국승호,김재곤,김동기 朝鮮大學校 口腔生物學硏究所 1998 口腔生物學硏究 Vol.22 No.1
Recently, as aging people increase, oral health care was recognized as essential factor. The aim of this study is utilizing oral hygiene state of aging people in country in oral health care project of aging people. Subjecs & methods of study is followed: Total subjects is compromised of 474 patients over 60 years and subjects of research is, Jun book(182), Jun nam(133), Kyung book(71), Kyung name(86) in each region. We investigated from September, 9, 1996 to October, 25, 1996. We got a conclusion from oral health care investigation. 1. Tooth brushing more than once per day is 84.63 percents of country agaed people and mean tooth brushing time is thirteen miniutes and there is no difference in age, sex. 2. About 41 percents of country aged people which wears dentures was fabricated their dentures in dental clinic and 59 percents of them was fabricated in unacceptable oral technique. 3. DMFT number was 3.8 per man in from 60 to 69 year old people and mean root caries tooth number was 0.2 per men and DMFT number was 4.7 man in average and root caries teeth number was 0.6 per men in more than 70 year old people. 4. Morbidity of periodontal disease is 2.2% in sound periodontal tissue, 15.4% in bleeding periodontal tissue, 56.5%in calculus forming periodontal tissue. 12.5% in shallow periodontal pocket forming tissue, 3.4 percents in deep periodontal pocket forming tissue of total subject teeth in from 60 to 69 year-old people and 0.9 percents in sound periodontal tissue, 15.7 percents in bleeding periodontal tissue, 58.3 percents in calculus forming periodontal tissue, 13.7 percent in shallow periodontal pocket forming tissue, 2.9 percents in deep periodontal pocket forming tissue in more than 70 year-old people. 5. The Rate of wearing dentures was 37.5 percents in jun book, 36.7 percent in Jun Nam, 23.2 percents in Kyung book, 43.6 percents in Kyung nam and 36 percents in total region. 6. It was showed 37.2 percents in denture wearing people should repair their dentures. 7. 33.6 percents of aged people needs denture fabrication regardless complete denture and partial denture. 8. It was investigated that the number of 3 units bridge which is needed was 0.23 percents of per man from 60 to 69 year-old people and the number of 4 units bridge was 0.21 percents, the number of 5 units bridge was 0.05 and the number of 6 units bridge was 0.04 in average in from 60 to 69 year-old people, and the number of 3 units bridge which was weared was 0.13 per man, the number of 4 unit bridge was 0.04, 5 units bridge was 0.02 and 6 units bridge was 0.07 in average in more than 70 year-old people.