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성남시 보건소 유아구강보건사업 개발을 위한 구강건강실태에 관한 조사연구
안용순,김미정 한국치위생교육학회 2001 한국치위생학회지 Vol.1 No.2
Dental caries causes the majority of tooth loss among Koreans. Korea is experiencing an increase in dental caries. And it shows a high prevalence of caries in preschool children. which contrasted with the much-improved situation in developed countries. So, it is important to control caries from preschool periods in Korea. Recently, inspections of the teeth of preschool children for evidence of dental disease became a legislative duty in Korea following Oral Health Act(2000). But, standardized oral health programs in preschool children is not yet proposed. Therefore, it is necessary to develop an community based oral health program in preschool children. The purpose of this study was to obtain basic data for the development of community based oral health program in preschool children of Sungnam city. Oral health status in primary dentition were surveyed in 862 2-6 year-old preschool children of Sungnam city by WHO criteria. From the data, df rate, percentage of preschool children with active caries, dft index, dt rate, percentage of preschool children with pit and fissure sealant of each age were calculated, and discussed. The obtained results were as follows : 1. The experience of dental caries in primary dentition showed a tendency to increase quickly between 2 and 3 year old children. So. the oral health program in preschool children should be developed to prevent dental caries and control their oral health under three years of age. 2. In 5 year-old children, the percentage with active caries was 60.8% and dft index was 5.06. The dt rate showed a tendency to decrease as proportion to age, but even though 6 year-old children, the dt rate was 47.7%. Therefore, the annual screening dental examination and oral health education programs at the institution for preschool children should be developed to detect and treat dental caries in primary dentition at early stage. 3. The percentage of preschool children with pit and fissure sealant at six years of age was 10.2 %. So. pit and fissure sealant and professional fluoride application programs in Public Health Center should be developed to prevent dental caries. 4. Also. it is necessary to establish oral health goals in preschool children and develop water fluoridation program to improve and preserve oral health of preschool children in Seongnam city. effectively.
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성남시 보건소 유아구강사업 개발을 위한 구강건강실태에 관한 조사연구
안용순,김미정 한국치위생교육학회 2001 한국치위생학회지 Vol.1 No.2
Dental caries causes the majority of tooth loss among Koreans. Korea is experiencing an increase in dental caries. And it shows a high prevalence of caries in preschool children. which contrasted with the much-improved situation in developed countries. So. it is important to control caries from preschool periods in Korea. Recently. inspections of the teeth of preschool children for evidence of dental disease became a legislative duty in Korea following Oral Health Act(2000). But. standardized oral health programs in preschool children is not yet proposed. Therefore, it is necessary to develop an community based oral health program in preschool children. The purpose of this study was to obtain basic data for the development of community based oral health program in preschool children of Sungnam city. Oral health status in primary dentition were surveyed in 862 2-6 year-old preschool children of Sungnam city by WHO criteria. From the data. df rate. percentage of preschool children with active caries, dft index. dt rate, percentage of preschool children with pit and fissure sealant of each age were calculated. and discussed. The obtained results were as follows : 1. The experience of dental caries in primary dentition showed a tendency to increase quickly between 2 and 3 year old children. So. the oral health program in preschool children should be developed to prevent dental caries and control their oral health under three years of age. 2. In 5 year-old children. the percentage with active caries was 60.8% and dft index was 5.06. The dt rate showed a tendency to decrease as proportion to age. but even though 6 year-old children. the dt rate was 47.7%. Therefore. the annual screening dental examination and oral health education programs at the institution for preschool children should be developed to detect and treat dental caries in primary dentition at early stage. 3. The percentage of preschool children with pit and fissure sealant at six years of age was 10.2%. So. pit and fissure sealant and professional fluoride application programs in Public Health Center should be developed to prevent dental caries. 4. Also. it is necessary to establish oral health goals in preschool children and develop water fluoridation program to improve and preserve oral health of preschool children in Seongnam city. effectively.
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성남시 어린이집 원아 어머니의 구강보건의식과 행태에 관한 조사연구
안용순,김은숙,임도선,정세환,이홍재 한국구강건강증진학회 2000 한국구강건강증진학회지 Vol.1 No.1
The purpose of this study was to evaluate behaviour about oral health of child's mothers in Songnam city, to obtain the data on oral health programs for young child of child care institutions. A self-developed questionnaire with 10 items was delivered to 713 mothers. Mothers were selected by a cluster sampling method. The 662 collected data was analyzed by profession state. The obtained results were as follows : 1. The house wives without job didn't appear the better behaviors about child's oral health than those with job except child's tooth brushing number per day. 2. There were needed to develop mothers' education program, caries prevention program, periodic oral exam program, refer system program after oral exam and tooth brushing program. 3. The 10 subjects were enumerated by contents of mothers' education program.
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안용순,김은하,민지혜,민수지,박현숙,서시내,이선민,이지은,박미애,한금아,홍주희,임도선 한국치위생과학회 2010 치위생과학회지 Vol.10 No.6
It is well known that most of the beverages on sale contain acid. Among these beverages, one of the most typically purchased products is Coca-Cola (Coke®), which affects the demineralization of the tooth enamel surface. However other beverages also affect the erosion of the tooth enamel surface. Therefore, the aim of this study was to observe the influence that acid containing beverages have upon the tooth enamel surface. In this study, 30 enamel specimens were obtained from extracted maxillary third molars without cracks. The study measured the pH concentrations and the Ca and P concentration levels of the acidic beverages. The control without exposure was kept in distilled water,and each enamel specimen was stored for 30-min, 60-min, and 120-min. The erosion effect of the enamel surface was observed by SEM. The results obtained from this study can be summarized as follows: 1. The pH concentration of acidic beverages, without milk, was 3.105 on average. The beverages eroded the enamel surface and the erosion degree was determined by the pH concentration of beverages. 2. The erosion degree significantly increased by as the exposure time increased. The difference in the erosion degree between the 30-min group and the 60-min and the 120-min group was significant, but the erosion degree of the 120-min group was significantly less than that of the initial group. 3. When compared with the beverages containing similar pH concentrations, the demineralization degree of the beverages containing higher concentrations of Ca and P was lower.
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어골에서 추출한 천연 Hydroxylapatite(HAP-B)의 골친화성에 관한 실험적 연구
安容淳,徐奎源 고려대학교 의과대학 1991 고려대 의대 잡지 Vol.28 No.1
There have been many ways to repair accidental, pathological or congenital bone befects. Autogenous bone graft has been frequently used for this purpose, but some disadvantages have made it necessary to develop synthetic implant materials. Recently hydroxylapatite has been investigated intensively and reported many advantages. Though hydroxylapatite has been used widely, developed synthetic hydroxylatite is expensive. The purpose of this study was to evaluate three types of hydroxylapatite extracted cheaply and easily from fish bone(HAP-B) as regards to tissue response, histocompatibility, aspect of bone formation and interface with bone. The 28 rabbits, weighing about 2.0kg, were used as experimental animais and divided into 7 groups. Each group consisted of 2 units, which is composed of 2 rabbits. Among 2 rabbits of each experimental unit, the author prepared 4 intrabony defects of 6×4×3mm at both right and left sides of mandibular inferior border. The one intrabony defect was used as control which was not grafted at all, and the other 3 defects were grafted with three types of HAP-B. At 4 days, 1, 2, 4, 8, 12 and 24weeks postoperatively, the animals were sacrificed, and were observed under light microscope and electron microscope following routine prepared processing. The obtained results were as follows : 1. Inflammatory reaction was found in all of the experimental groups and control group at 4 days. But at 1 week, experimental groups showed no inflammatory reaction, no foreign body reaction, and showed osteoid tissue formation around the HAP -B. In control group, inflammatory reaction was still found and no osteoid tissue formation was found. 2. At 2 weeks, osteoblast lining on surface of new bone was found and more bone formation around HAP-B without connective tissue layer was observed, therefore both edges of bone defect began to connect each other early. In control group, bone formation was observed from the wall of bone defect, and no bone formation was found at central portion. 3. Until 2 weeks, bone fomation was active in the order of HAP -B(C), (A), and (B), but at 4weeks, more bone formation was observed, however no significant difference in activity of bone formation among HAP -B types was recognized. 4. After 4 weeks, bone defect was almost filled and repaired with HAP -B and new bone in experimental groups. But in control groups healed bony surface was slightly concave. No resorption of HAP -B was recognized until 24 weeks. 5. In transmission electron microscopic examination, at 1 week HAP -B was surrounded by amorphous layer with various width and collagen fiber, and then bone formation was occured gradually around the HAP-B, and the osteocyte of new bone was observed near the HAP-B at 2, 4 weeks. Amorphous layer showed a tendency to shrink after 1 week, and it appeared that HAP-B directly contacted with new bone at 8, 12 weeks, and slight bone growth into micropore of HAP-B was observed at 12 weeks.
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