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논문 기본 정보

자료유형
학술저널
저자정보
송애희 (전남대학교 치의학전문대학원 예방치과학교실) 최충호 (전남대학교)
저널정보
대한예방치과·구강보건학회 대한구강보건학회지 대한구강보건학회지 제37권 제4호
발행연도
2013.12
수록면
180 - 186 (7page)
DOI
http://dx.doi.org/10.11149/jkaoh.2013.37.4.180

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초록· 키워드

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Objectives: The purpose of this study was to evaluate the change in surface microhardness of soundenamel of bovine teeth due to commercial alcoholic drinks. Methods: The experiment group comprised of wines, makgeollis, and beers with low pH, while distilledwater was used as the control. The two experiment groups were administered soju having the highest(SojuH) and lowest (SojuL) pH. Drinking wines were classified into 2 groups: agitated (wine A) and nonagitated(wine NA) wines. The pH values, buffering capacity, and concentrations of fluorine, calcium,and phosphorus of both the wine groups were measured. Eighty-four bovine specimens were dividedinto seven groups (N=12) and were immersed for 1, 3, 5, 10, 30, 60, and 120 min, respectively. Thesurface microhardness was measured using a microhardness tester before and after treatment witheach alcoholic drink. After 120 min, the enamel surface was examined using a scanning electron microscope(SEM). The statistical methods used in this study were one-way analysis of variance (ANOVA) andrepeated-measure ANOVA. Results: The differences in the surface microhardness (ΔVHN) values obtained before and after treatmentfor 120 min were statistically significant among groups. Makgeolli, wine A, and wine NA significantlyeroded the enamel after 120 min. However, sojuH and sojuL had an effect similar to that of distilledwater, which was used in the control group. Beer caused slight enamel erosion. SEM images revealedthat makgeolli, wine A, and wine NA caused significant erosion of the enamel surface, while beer causedslight erosion. SEM observation results were similar to those obtained after surface microhardnessevaluation. Conclusions: The study findings suggest that alcoholic drinks, such as makgeolli and wine, with organicacids and a pH value less than 4.0 can cause tooth enamel erosion. Therefore, alcoholic drinkswith low pH values and organic acid composition should not be retained for long periods in the mouth.

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