http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
우식성 열구에 적용한 치면열구전색의 이차 우식에 대한 영향과 사용 실태
정문진 ( Moon Jin Jeong ),김아름 ( A Reum Kim ),김민지 ( Min Ji Kim ),정순정 ( Soon Jeong Jeong ),손정희 ( Jung Hui Son ),정성균 ( Sung Kyun Chung ),임도선 ( Do Seon Lim ) 한국치위생과학회 2014 치위생과학회지 Vol.14 No.4
This study was designed to investigate the using status and awareness of pit and fissure sealant, and how it affects on secondary caries when performed on above of initial caries. After classifying 446 occlusal surface into four groups, performed pit and fissure sealant, induced artificial caries, used DIAGNOdent (Kavo) to measure degree of secondary caries. Also, distributed a questionnaire on dental clinic in metropolitan area to find out using status and awareness of pit and fissure sealant, the following results were obtained. 1) On inspection and percussion, Group 4 corresponding to the enamel caries showed the highest secondary caries after sealant and was statistically significant difference in the order of initial group, stained group, sound group (p<0.05). 2) Inspection showed the highest percentage on tooth fissure caries diagnostic methods before sealant. 3) 56.6% didn`t know about DIAGNOdent, 91.6% didn`t have it. 4) In clinically, the most cause of secondary caries after sealant was a broken sealant, making caries on the downward. Based on the results of above study, degree of caries under sealant could affect on secondary caries, needs publicity about the use and necessity of objective fluorescence device.
정상법랑질과 인공우식법랑질에 불소바니쉬 도포 후 항우식 효과 비교
정문진 ( Moon Jin Jeong ),임지향 ( Ji Hyang Lim ),민지혜 ( Ji Hye Min ),정순정 ( Soon Jeong Jeong ),손정희 ( Jung Hui Son ),임도선 ( Do Seon Lim ) 한국치위생과학회 2013 치위생과학회지 Vol.13 No.4
In order to examine the anticariogenic effect after fluoride varnish was applied to sound enamel and artificial caries enamel, anterior teeth of healthy cattle were used and divided into four groups such as group 1 (sound enamel), group 2 (application of fluoride varnish to sound enamel), group 3 (artificial caries enamel) and group 4 (application of fluoride varnish to artificial caries enamel). Remineralization on the surface of enamel and changes of crystalline structure after demineralization were observed by using a field emission scanning electron microscope (FE-SEM). Quantitative analysis of Ca and P was measured by using the energy dispersive X-ray spectrophotometer (EDS). The following conclusions were obtained: 1)Surface pattern of enamel was the roughest in group 3 due to the defects caused by porosity and microcracks. Group 4, group 1 and group 2 were followed in order; 2) It was found that pattern of crystalline structures in a group of application of fluoride varnish and a group of no application showed bigger change in artificial caries enamel than that in sound enamel. In other words, groups 4 and 1 showed a similar pattern; 3) The contents of Ca and P were higher in groups of application of fluoride varnish (group 2 and group 4) than in groups of no application of fluoride varnish (group 1 and group 3). Taken results of this study together, in the case of application of fluoride varnish, crystalline structure was changed by remineralization even in the sound enamel. In particular, porous structures showed a smooth and uniform pattern due to the recalcification in the artificial caries enamel. In addition, according to results of EDS analysis, the contents of Ca and P were increased and it had great anticariogenic effects which inhibit decalcification of sound enamel and artificial caries enamel.
정문진 ( Moon Jin Jeong ),정순정 ( Soon Jeong Jeong ),손정희 ( Jung Hui Son ),정성균 ( Sung Kyun Chung ),김아름 ( A Reum Kim ),강은주 ( Eun Ju Kang ),김은주 ( Eun Ju Kim ),김혜인 ( Hye In Kim ),장고은 ( Ko Eun Jang ),조민희 ( Min 한국치위생과학회 2014 치위생과학회지 Vol.14 No.4
To find out the effect of commercially available energy drinks on tooth enamel erosion, analyzed pH, buffering capacity, and the content of some of the inorganic components selecting 4 energy drinks that has high affinity of the products currently being sold. In addition, by observing the degree of erosion before and after immersion in energy drink by surface microhardness and scanning electron microscope (SEM) the results were as follows: Acidity of energy drink ?Burn Intense? was the lowest as 2.78±0.01 highest on distilled water as 6.475±0.01. ?Burn Intense? buffering capacity was 3.48±0.155 at pH 5.5, 1.88±0.15 at pH 7.0 which is the highest, and ?Hot6? was 1.71±0.37, 1.23±0.35 on each of it showing the lowest points. Ca content on energy drink was the highest at ?Volt Energy? as (77.21±2.70 mg/kg), the lowest at ?Hot6? as (0.98±0.05 mg/kg). P content was the highest on ?Hot6?(1.34±0.05 mg/kg) and detected at ?Red Bull?. Enamel surface hardness variation of the energy drinks before and after immersion showed rapid decrease at ?Red Bull? (66.65±35.60), and ?Volt Energy? (61.96±31.42), ?Burn Intense? (58.53±24.84), ?Hot6? (53.99±60.26) was in order. Distilled water, the control group, showed significant difference with the experimental group (p<0.05). But there was no significant difference between energy drinks. At SEM observation and analysis, ?Burn Intense? was the most severe demineralization, ?Volt Energy?, ?Hot6?, ?Red Bull?, distilled water was in order. In the above results, taken together there were no statistically differences between energy drinks but significant difference in comparison with distilled water. In addition, at SEM observation and analysis all energy drink caused dental erosion, especially ?Burn Intense?, has the lowest acidity, was serious. Thus, it is believed to provide a variety of oral health education and information about energy drinks that can affect the erosion of the teeth so public have the right to be recognized and reasonable dental care.