불소배합 음용수와 불화우유 섭취에 의한 백서치아 탈회 억제효과 비교

송근배,송재상,김혜영,김정숙,김지영 경북대학교 병원 2002 경북대학교병원의학연구소논문집 Vol.6 No.1

The purpose of this study was to investigate the inhibitory effect of fluoride in the water and milk on tooth enamel dissolution by commercial beverages. 3 weekold 60 female sprague-Dawley strain were divided into four groups and given the following dosage of fluoride in the drinking water:0,1,5 and 50ppm for six and twelve weeks ad libitum. Upper incisors were prepared for specimen with low speed dental disc.The slabs of each incisors were embedded in unsaturated polyester,polished with #1,200 silicon carbide paper and aluminisilicate powder.Three kinds of beverage were selected for test medium and enamel slabs of rat incisors were dipped for 60 and 120 minutes in each beverage.Surface microhardness was examined before and after dissolution with beverage. All collected data were analyzed using the SAS package.Differences between groups were compared by the one-way ANOVA,Duncan's multiple range test and ANCOVA procedures. Corresponding p-values were considered significant at the values less than 0.05. The obtained results were as follows: 1. Surface microhardness was significantly increased both 6 and 12 weeks groups compared with control group. Surface microhardness of high fluoride groups were also proportionally increased with increasing concentration of fluoride both in the water and milk. 2. There were significant differences of inhibitory effect of surface microhardness after 60 and 120 minutes emersion periods,and both at 6 and 12 weeks group in the veverage B and C,but not appeared in the beverage A. 3. The inhibitory effect of enamel dissolution was higher in the 12 weeks group than 6 weeks group both at the water fluoridation and milk fluoridation. 4. The differences of micro hardness between before and after emersion in the beverages were larger in the milk fluoridation groups than water fluoridation groups.

Meniscus Arrow를 이용한 반월상 연골 손상의 봉합에 대한 생역학적 연구

송은규,문은선,이근배 全南大醫大 2001 전남의대학술지 Vol.37 No.4

PCR-Restricition Fragment Length Polymorphism 방법에 의한 Borrelia burgdorferi Sensu Lato의 분류

송혜원,김홍,박상욱,엄용빈,김종배,박성언,김근희 THE KOREAN SOCIETY FOR BIOMEDICAL LABORATORY SCINE 1999 Journal of biomedical laboratory sciences Vol.5 No.2

라임병의 원인균인 Borrelia burgdorferi에 대하여 각 균종의 표준균주와 진드기에서 추출한 DNA를 template로 PCR을 실시한 후 그 증폭산물을 Alu I으로 처리한 restriction fragment length polymorphism (RFLP) 방법으로 각 균종의 연관성을 조사하고자 하였다. 표준균주로 RFLP를 실시한 결과 B. burgdorferi sensu stricto와 B. garinii의 RFLP 형태 (50 bp, 70 bp, 150 bp)가 유사하였으며 B.afzelii에서는 다른 RFLP형태 (50bp, 110bp, 150 bp)를 관찰하였다. 그 중 B. afzelii KK-1과 B. garinii HP1은 새로운 RFLP 형태를 보여 B. afzelii와 B. garinii는 각각 2 types의 subgroup으로 분류할 수 있었다. 진드기 DNA에서 는 B. afzelii를 포함한 각 균종에 대하여 모두 유사한 RFLP 형태를 보였는데, 진드기 DNA에서 확인된 B. afzelii는 KK-1과 같은 군에 속하는 것으로 사료되었다. For the classification of B. burgdorferi sensu lato strains, PCR-restriction fragment length polymorphism (RFLP) analysis was performed. PCR was carried out with B. burgdorferi sensu lato specific primer set (BB uni set), and amplicons of 470-bp DNA were digested with Alu I. The Alu I restriction polymorphism of the amplicons provided a useful tool for identifying B. burgdorferi sensu lato strains. Both amplicons from B. burgdorferi sensu stricto and B. garinii except HP1 strain showed identical RFLP pattern (50 bp, 70 bp, and 150 bp), but amplicons from B. afzelii and B. garinii showed two types of subgroups, respectively. The result of PCR-RFLP using extracted DNAs from ticks was similar to those patterns of B. burgdorferi species including B. afzelii.

대구·경상북도 초등양호교사들의 구강보건 인식도에 관한 조사

송근배,김달호,신영림 慶北大學校 齒科大學 1993 慶北齒大論文集 Vol.10 No.1

대구시 및 경상북도지역 초등양호교사들의 구강보건에 관한 지식습득경로, 구강보건에 대한인식정도 및 학교구강보건관리에 대한 역활인식도등을 조사하여 지역실정에 맞는 학교구강보건교육 및 교육내용을 계획하고 적절한 학교구강보건사업의 운영방법설정에 기초적인 자료를 마련할 목적으로 대구 및 경상북도지역내에 근무하는 초등양호교사 176명을 대상으로 설문지를 이용하여 조사분석한 결과 다음과 같은 결론을 얻었다. 구강보건에 관한 지식습득경로는 대구시 초등양호교사들은 보수교육(78.8%)이 가장 높았고 경상북도 양호교사들에서는 신문, 잡지의 기사나 홍보책자(72.9%)라는 답변이 가장 많아 체계적인 보수교육이 필요한 것으로 나타났다. 구강위생을 관리하는 목적으로 치아우식증 및 치주질환예방에 대해서는 대체적으로 중요하게 생각하고 있었으며, 치아우식증을 예방할수 있는 효과적인 방법에 대한 견해는 불소의 이용이나 치면열구전색재의 사용보다 정기적인 치과방문이나 당분섭취를 제한한다가 더 높게 나타났다. 불소에 대한 지식도 및 치주질환에 대한 인식도는 대구시, 경상북도 초등양호교사들에서 약간의 차이는 있으나 전반적으로 단편적이고 부정확한 지식을 가지고 있어서 정확한 지식의 전달을 위한 교육과정이나 홍보책자의 개발이 필요하였다. 학교구강보건관리에 있어서의 양호교사의 역활에 대해서는 상당히 긍정적인 의견을 가지고 있었으나 경상북도 초등양호교사들중 불소용액양치사업을 관리감독한다는 항목에 대해서는 약 40%정도만이 찬성하고 있어서 군단위이하 국민학교 불소용액양치사업의 시행에 문제점으로 지적되었다. 대구시 초등양호교사들의 전반적인 구강보건에 관한 지식수준정도는 서울 및 부산지역의 초등양호교사들과 비슷하였으나, 경상북도 초등양호교사들에 있어서는 부족하여 체계적인 지식전달의 대책마련이 시급한 것으로 나타났다. The oral health knowledge and attitudes of elementary school nursing teachers can play a critical and important role in assuring that elementary school teachers, children and their parents have current, scientifically accurate oral health information and behaviors. 176 nursing teachers at elementary schools in Taegu city and Kyungpook province were surveyed to determine their sources of information about oral health and their knowledge and attitudes about dental disease and its prevention. Data were collected using a 7-item, mailed questionnaire(67% reponse rate). The most frequently cited sources of information about dental health were newspapers or magazines(75.0%), followed by college curriculum(62.5%). The most important reason for good oral hygiene was preventing dental caries in urban nursing teachers and preventing periodontal disease in rural nursing teachers. The knowledge about fluorides and preventive methods of dental caries and periodontal disease were incccurate and incomplete in both area, but knowledge levels of urban nursing teacher's were higher than those of rural's. Many of nursing teachers agreed to accept their responsibility and role for promote oral health in the elementary school except the supervising of fluoride mouth rinsing program. Nursing teachers may not have sufficient dental knowledge to teach dental health and greater attention to improve the oral health knowledge and attitudes of nursing teachers in needed.

대구직할시 교육공무원들의 구강보건실태 및 보철수요도 조사

장희송,송근배,조광헌 慶北大學校 齒科大學 1993 慶北齒大論文集 Vol.10 No.2

The author selected and surveyed 547 of volunteer school teachers in Taegu city to collect the basic data of their dental health and the needs for prosthetic demands. Among them 169 peoples were elementary school teachers, 237 peoples were middle school teachers and 141 peoples were educational service personnels. They had a detail oral examination and a 17-items of questionnaire. All collected data were analyzed with one-way ANOVA and chi-square test in SPSS/PC^+ program. The results of these were summarized as follows; The DMFT rate was 85.1% and DMFT index was 4.82 in all subjects, but there was no significant difference among 3types of occupation in DMFT index(P>0.05). The simplified oral hygiene index was 0.76 in male and 0.33 in female subjects(P<0.05). Average toothbrushing frequency of all subjects in a daywas 2.24. There was statistical difference among 3types of occupation in a daily toothbrushing frequencies(X^2=13.21, p<0.05). Those who brushed for longer than 3 minutes were only 4.21%, and 7.5% of subjects used the rolling technic correctly. Subjects who had experienced toothache during last one year were 42.96% and 77.1% had treated their oral symptoms at dental clinics. The mean frequency of visiting the dental clinics of all subjects was 0.64 per year. The reasons for avoiding dental treatment were as follows; lack of time for treatment(33.10%), no need for treatment(27.55%), Troublesome to go to the dentist's(13.66%), fear(12.04%), and economic limitation(6.71%). The rate of experiencing dental prosthetics was 49.18%. Among them male(53.37%) was highter than female(41.36%). The mean score of having simple crown and crown & bridge was 1.31 per person and full denture was 0.07 per person. The need for prosthetic treatment, the crown & bridge was 0.33 per person and 0.03 per person of partial and full denture.

교합성 골수강내 금속정술후 발생한 대퇴골 간부 골절의 불유합의 치료

이근배,문은선,송은규,최진,정성택 대한골절학회 2002 대한골절학회지 Vol.15 No.4

목적 : 교합성 골수강내 금속정술 후 발생한 대퇴골 간부 골절의 불유합의 치료 결과를 알아 보고자 하였다. 대상 및 방법 : 1990년 5월부터 2000년 7월까지 대퇴골 간부 골절에 대한 교합성 골수강내 금속정술후 발생한 불유합에 대해 치료받은 환자중 1년 이상 추시 가능하였던 33명을 대상으로 후향적으로 조사하였다. 수술 당시 평균 연령은 40세(19~68)였으며, 남자가 27례, 여자가 6례였다. 불유합의 형태는 Weber와 Brunner와 분류 방법에 따르면 과혈관형 10예(30%), 무혈관형 21예(64%), 혼합형이 2예(6%), 무혈관형중에서 감염성이 5예(23%)였다. 결과는 수술 방법에 따른 골 유합 기간 및 불유합, 부정 유합, 감염 등의 합병증의 유무로 평가하였다. 결과 : 수술 방법은 불유합의 원인과 형태에 따라 결정하였으며, 5가지 방법으로 시행하였다. 골수강내 금속정 교환술을 시행한 경우가 7예, 골수강내 금속정 교환술 및 골 이식술을 함께 시행한 경우가 11예, 외고정술 5예, 금속판 고정 및 골 이식술 3예, 해면골 이식술만을 시행한 경우가 7예였다. 골유합 기간은 각각 평균 19주, 17주, 20주, 16주, 15주로서 치료 방법 간에 통꼐학적인 의의는 없었다. 전례에서 술 후 감염이나 불유합, 부정 유합 등은 관찰되지 않았다. 결론 : 교합성 골수강내 금속정술후 발생한 대퇴골 간부 골절의 불유합의 치료에 있어서는 불유합의 원인과 형태를 잘 분석하여 그 원인에 맞는 적절한 치료 방법을 선택하는 것이 골유합을 얻는데 매우 중요하다고 생각된다. Purpose : We analyzed the results of treatment for the nonunion of femur shaft fractures after interlocking intramedullary(IM) nail fixation. Materials and Methods : Thirty-three patients who underwent interlocking IM nailing due to femur shaft fractures from May, 1990 to July, 2000 and followed up for more than one year were evaluated retrospectively. Mean age at the time of operation was 40 year(Range, 19-68). 27 cases were men and 6 cases were women. By Weber and Brunner classification of the nonunion, hypervascular type were 10 cases(30%), avascular type 21cases(64%), mixed type 2 cases(6%). Infected type among the avascular type of noumion were 5 cases(23%). Results were evaluated with bone union by treatment methods and complications. Results : According to the causes and types of nonunion, we performed IM nail exchange in seven cases, IM nail exchange and bone grafting in eleven cases, external fixation in five cases, compression plating and bone grafting in three cases, and only cancellous bone grafting in seven cases. Radiographical union was achieved in 19weeks, 17 weeks, 20 weeks, 16 weeks and 15 weeks respectively. There’s no statistically significant difference between treatment methods. There are no cases of nonunion, malunion and infection. Conclusion : The selection of appropriate treatment method by the cause and type of each nonunion is very important to achieve the bony union in the treatment for the nonunion of femur shaft fractures after interlocking intramedullary nailing.

노인틀니 보험급여를 위한 건강보험재정추계연구

권호근,김영남,정기호,송근배,박덕영 대한구강보건학회 2003 大韓口腔保健學會誌 Vol.27 No.3

The purpose of this study is to estimate the National Health Insurance budget needed for the Korean elderly's denture service coverage. For more exact estimating the budget, denture need and demand were calculated by using 2000 National Oral Health Survey data. The results were summarized as follows ; 1. Over 65 years old, full denture and partial denture need per arch were each 8.5% and 16.8%. And over 70 years old, those were each 11.3% and 17.8%. 2. Over 65 years old, full denture and partial denture demand per arch were each 22.8% and 21.2%. And over 70 years old, those were each 27.%% and 21.1%. 3. Based on the denture need, the health insurance budget needed in the first operative year was about 955.4 billion won, over 65 years old and about 644.2 billion won, over 70 years old. 4. Based on the denture demand(wear), the health insurance budget needed in the first operative year was about 207.5 billion won, over 65 years old and was about 151.6 billion won, over 70 years old. If health insurance policy of elderly's denture service coverage is performed, actual denture wear rate is going to increase, and the budget needed is also increasing. Because current National Health Insurance budget status is poor, it is difficult to execute health insurance coverage for elderly's denture service. Therefore we suggest that health insurance coverage for preventive service is to be considered in order to reducing denture need in the long term view.

자일리톨 껌 저작에 의한 유치 우식증 예방효과 비교분석

한성근,최연희,손은영,송근배,김영진,남순현 大韓小兒齒科學會 2004 大韓小兒齒科學會誌 Vol.31 No.2

자일리톨 껌 저작에 의해 어린이들의 유치우식증 예방효과를 평가하기 위하여 3개 어린이집에서 만 5~6세 어린이 123명을 최종 선정하였다. 자일리톨 껌을 씹는 군(42명), 솔비톨 껌을 씹는 군(42명) 그리고 아무런 조치도 취하지 않은 대조군(39명)으로 나누어 12개월 동안 하루 5회씩 껌을 저작하게 한 다음 구강검사와 우식활성 검사를 통해 유치우식증 예방효과를 비교 분석 하였다. 12개월 동안 대조군 어린이들에서는 dfs index가 5.19개면 증가하였고 솔비톨 군에서는 2.96개면이 증가한 반면 자일리톨 군에서 2.62개면이 증가하여 대조군에 비해 자일리톨 군은 47.1%가 감소하였고 솔비톨 군에서는 43.6%가 감소한 것으로 나타났다. Dentocult-SM strip 검사 및 site strip 검사 결과 모두에서 대조군에 비해 자일리톨 껌과 솔비톨 껌을 씹은 군의 아동들에서 우식활성도가 공히 감소되었다. 따라서 본 연구와 같은 집중적인 자일리톨 껌의 저작 사업은 대상자들과 부모들의 사업에 대한 호응도가 높았고, 사업 시행이 다른 국책 구강보건사업에 비해 용이하였으며 특히 유치우식증 예방적인 측면에서 효과적인 것으로 나타났다. The effect of xylitol and sorbitol chewing gums on dental caries levels among 5-year old kindergarteners was investigated. Three kindergartens the operations of which were partly subsidized by municipal government of Daegu city, Korea, were chosen as the study sites. The child base of the kindergartens were considered demographically and ethnically similar, representing middle-income families. The subjects were examined at their own kindergarten by the two dentists. Participation in the program was voluntary. Over 12 months, 123 participants chewed xylitol chewjng gums(X group; 42 subjects), sorbitol chewing gum@ group; 42 subjects), or did not receive chewing gum as a control group(C group: 39 subjects). Consumption of xylitol and sorbitol was 4.5 to 5.0 g/day/subject, consumed in five daily chewing episodes of 5 min. Oral examination, Dentocult-SM test and interproximal dental plaque collection were completed at baseline and 12 months later. The dmfs of group C increased 59.2%. but group S increased 33.4% and group X increased only 31.3% during 12 months study period. The caries prevention ratio was 47.1% at group X and 43.6% at group S. There also appeared the reduction of caries activity at group X(1.39), group S(1.50) than control group(1.79). Compared with groups S and C, there was a statistically significant reduction of S. mutans in interproximal plaque in group X. The results suggest that xylitol chewing gum can prevent dental caries of deciduous dentition, and may be a little more effective than a sorbitol-containing product in controlling some caries-associated parameters in kmdergarten-age subjects.

어머니의 구강보건지식 및 행동과 초등학생의 구강보건형태

김영희,송근배,이성국 韓國學校保健學會 2002 韓國學校保健學會誌 Vol.15 No.1

This study was undertaken to verify various relations between dental health belief and related behaviors in mothers and children. Data for this study were obtained by 264 pairs of 1st and 3rd grade elementary school children and their mothers by self developed questionnaire. The questionnaires are made on the general socio-economical characteristics, the oral health knowledge and the behaviors relative to the oral health and oral health education as to how mothers implement the oral health related activities for their children, while for the questionnaires have been measured relative to the oral health beliefs and health behaviors for the children. The obtained results have shown that mothers become with more ages, the usefulness to prevent children's oral diseases becomes lower, and as much as mothers have higher education level, the sensitivity relative to the oral diseases has been measured low. To the degree that the students live well in economical respect, it has been found that they placed more importance on the oral health. As much as the number of mothers tooth brushing becomes made more in a day, the tooth brushing of the children becomes more that much, and also has higher level of oral health beliefs. The number of children to see dentists has been found high, and to the extent of increasing frequency of visiting dental clinics. As the number of mothers tooth brushing education becomes made more frequent for the children. Also, as mothers put more restriction on the sugar intakes by the children, they placed higher importance on the oral health for their children. In conclusion oral health behavior in mothers' influence on dental health belief of their children, it has been reviewed necessary to activate more the mother-children joint oral health education and oral health projects that mothers and children take part together, as well as to study more in accurate and systematic approaches through more comprehensive and various subjects and elements further in the future.

절수에 의한 mongolian gerbil의 체중 변화에 관한 연구

이경열,송치원,김무강,조성환,류시윤,김상근,박배근 충남대학교 수의과대학 동물의과학연구소 1996 動物醫科學硏究誌 Vol.4 No.-

Recently, the mongolian gerbils have been used in neurology and the study of water metabolism because of their easy onset of epileptic seizure and typical resistance to water deprivation. The sebaceous glands which are under the control of the gonadal hrmones are differently developed from the other laboratory animals. However the physiological data on the changes of body weight following water deprivation in mongolian gerbils is not available until now. In order to investigate the effect of the water deprivation on the body weight, the animals were deprived of water for 15 days. The body weights were measured daily by the torsion balance. The mean, the standard deviation, the standard error and the coefficient of variance of the body weights were calculated. The correlation was examined. The potential regression equation was y = 61.5458 - 2.0533 * x + 0.0487 * x^2. The regression coefficient was 0.993. The results obtained were as follows : 1. The body weights of the mongolian gerbils were continuously decrased from the 1st day to the 15th day after the water deprivation. 2. The mean body weight on the water deprivation was 63.0±7.00g and that at the 15th day was 41.4 ± 5.42g. 3. The coefficients of the variance showed the highest (13.09) at the 15th day and the lowest (10.10) at the 10th day. the coefficients of the variance kept decreasing until the 10th day and thereafter gradually increased until the 15th day. 4. The changing rate of the body weight kept continuously decreasing from the 1st day to the 15th day showing the daily loss of 1.0 - 3.3%. 5.The deviations (M - QBW) between the measured values (m) and the theorical values (QBW) using the regression equation showed the highest (1.494) at the 1st day and the lowest (0.053) at the 13th day. 6. The sum of the devitions was 0.179 and that of the deviation square was 1.15. The sum of the deviation rates between the mesaured body weights and the theorical ones was 0.484. 7. The daily body weight loss showed the highest at the 1st day by 2.053g and the lowest at the 15th day by 0.591g. 8. The specific body weight changing rates which were the rate of the body weight changing velocity to the changed body weight were decreased from 0.033% at the 1st day to 0.014% at the 15th day.