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배광학,문혁수,백대일,김종배 대한구강보건학회 2000 大韓口腔保健學會誌 Vol.24 No.1
This experiment was done to assess the effects of two toothbrushing instruction methods on dental plaque and gingival bleeding. 70 Subjects were male and female adults aged 20-39 years, and divided into two groups. With dentiform, subjects of one group were given repeated toothpick and rolling toothbrushing instruction individually, and then they are directed to brush their teeth according to the method they learned just before. With professional toothbrushing instead of dentiform, subjects of the other group were also given the same instruction. Both groups were instructed two times at the internal of 8 weeks. Presence of disclosed dental plaque and gingival bleeding on probing were recorded before every instruction at the start and 8 weeks, and only recorded without instruction at 16 weeks. The results were as follows: 1. Dental plaque on the buccal proximal surfaces of the group instructed with professional toothbrushing was decreased in the molars and incisors of both jaws, but that of the group instructed with dentiform only in the maxillary molars. 2. Dental plaque on the lingual surfaces of the group instructed with professional toothbrushing was decreased in the maxillary molars and mandibular incisors, but that of the group instructed with dentiform in no pacts. 3. Dental plaque on the buccal surfaces of both grips was decreased in no pants. 4. Gingival bleeding of the buccal papillary sites of the group instructed with professional toothbrushing was decreased in the maxillary molar and mandibular molar and incisor areas, but that of the group instructed with dentiform only in the maxillary incisor area. 5. Gingival bleeding of the buccal papillary sites of the group instructed with professional toothbrushing was deceased in the maxillary premolar and mandibular areas, but that of the group instructed with dentiform only in the maxillary incisor and mandibular premolar and incisor areas. 6. Gingival bleeding of the buccal sites of the group instructed with professional toothbrushing was decreased in the maxillary premolar and mandibular molar and incisor areas, but that of the group instructed with dentiform only in the maxillary molar and mandibular incisor areas. 7. Toothpick and rolling toothbrushing can be instructed with professional toothbrushing, rather than with dentiform.
NaF CPC 녹차추출액 및 솔잎 추출물을 배합한 구강양치액의 치주질환예방효과와 구취감소효과 및 치아우식증예방효과에 관한 연구
배광학,이병진,장윤경,이병렬,이원재,장덕수,문혁수,백대일,김종배 대한구강보건학회 2001 大韓口腔保健學會誌 Vol.25 No.1
The aim of this study was to assess the effect of mouthrinse products which contained 0.03% sodium fluoride, 0.05% cetylpyridinium chloride(CPC), 0.04% pine leaf extracts and 0.04% green tea extracts. The negative control was distilled water contained no antibacterial agents. The in vivo study used case control, double-blind and crossover design in which 40 healthy subjects aged from 20 to 25 participated. On baseline, subjects received a scaling and polishing to reduce plaque index to 0 and commenced rinsing three times and toothcleansing twice daily. Rinsing time was 30 seconds. Plaque, gingivitis, halitosis and the number of S. mutans(CFU/㎖) were scored at baseline, after 2 weeks, after 4 weeks and after 6 weeks. Plaque and gingivitis were score by index and halitosis by halimeter. To compare the microhardness data of differently stored enamel surfaces the in vitro study used pH Cycling Model. Each 19 bovine enamel specimens were given 17h demineralization, 0.25h immersion in mouthrinse products and control, and 6h remineralization buffer solution for 48h and 96h. Gingivitis, halitosis and S. mutans growth of the mouthrinse group were more reduced significantly than control group at 2 weeks(p<0.05). The microhardness of enamel surfaces were also more decreased in mouthrinse products than in distilled water(p<0.05).
우식의문병소 및 전색후불소도포가 치면열구전색재 탈락에 미치는 영향에 관한 연구 : topical fluoride application and incipient caries
배광학 대한구강보건학회 2003 大韓口腔保健學會誌 Vol.27 No.3
Objectives : The objective of this study was to evaluate the association of sealant retention with topical fluoride application(TFA) and incipient caries. Methods : 751 permanent molar surfaces of 122 one or two grade elementary students were sealed. APF fluoride gel was applied on 393 molar surfaces of them and the subjects composed of 258 molar surfaces with incipient caries and 517 sound surfaces. One year after sealing, the examination about sealant retention was performed and sealant loss rate was obtained. To evaluate the association of sealant loss rate with TFA and incipient caries, bivariate and multiple logistic regression analyses were used. Results : The odds of prevalence was 0.67 (95% Confidence Interval-0.46, 0.96) times lower for TFA than for no TFA. The molar surfaces with incipient caries were more likely than sound surfaces to be lost by 2.05 times (95% CI=1.40, 3.02). Conclusions : The sealants on the sound molar surfaces were better retained than those on the surfaces with incipient caries. A topical application of fluoride could have the number of retained sealants increase.
트리클로잔과 자몽종자추출물(GFSE)과 Eucalyptus oil 및 플라보노이드를 배합한 세치제의 구취예방효과에 관한 연구
배광학,노승학,문혁수 대한구강보건학회 2002 大韓口腔保健學會誌 Vol.26 No.2
The aim of this study was to assess the effect of the dentifrice containing 0.2% triclosan, 0.1% Grapefruit seed extract(GFSE), 0.19% Eucalyptus oil and 0.25% flavonoid on malodor. The negative control contained no antibacterial agents. In vivo study, the case control, double-blind and crossover design was used, and 40 healthy subjects aged from 20 to 30 participated, On baseline, subjects received the same toothbrushes and were requested to clean their teeth three times daily. Halitosis level was determined by halimeter. Halitosis levels of all subjects were determined at baseline, 1 hour after mouthrinsing with slurry of dentfrice and distiled water after 1wekk and 3 weeks. After 6weeks of refreshing period, experimental and control group were changed each other, and halitosis levels of all subjects were determined again. 1 hour after mouthrinsing with slurry of dentfrice and distiled water mean halitosis level was not different between experimental and control group(p) 0.05). But, mean halitosis level of experimental group was lower than control after 1 week and 3weeks(p (0.05). As a result, it was suggested that the dentifrice which contained 0.2% triclosan, 0.1% Grapefruit seed extract(GFSE), 0.19% Eucalyptus oil and 0.25% flavonoid be effective on halitosis.
초점집단연구와 비급여점유율 실증 분석에 근거한 민간보험 도입 검토
배광학 ( Kwang Hak Bae ),하정은 ( Jung Eun Ha ),진보형 ( Bo Hyoung Jin ) 대한예방치과·구강보건학회 2010 大韓口腔保健學會誌 Vol.34 No.2
Objectives. We surveyed dentist opinions and provide information on a proper private enterprise insurance system. Methods. Using a proportional quota system, we surveyed total 15 dentists from 2008 list of Korean Dental Association members. The quotas were composed of 8 metropolitan, 5 medium-sized cities, and 2 Eup-Myun areas (small towns). Qualitative research methods, including focus group interviews, were used to identify dentist opinions on the introduction of a private enterprise insurance system, key elements of private enterprise insurance (such as benefits of the insurance, payment, etc), other considerations of dental care service, and clinical dental ethics in private enterprise insurance. To estimate the proportion of uninsured benefits, data from dental clinics were collected by a self-recorded check list for dental treatment in January and September, 2009. Results. Most participants were concerned about patient adverse selection and moral hazard through the introduction of a private enterprise insurance system. General dentists think they must reflect specialist opinions on the developments of private insurance. Most participants think that political intervention and management are needed to develop the appropriate private enterprise insurance system. Results from private dental clinics show that the number of uninsured benefits was almost double insured benefits. Conclusions. The proper development of private enterprise insurance requires improvement of insurance qualifications, the right and duty of insured persons, and insurance management.