산성 음료수에 의한 법랑질 침식과 구강내 재경화에 관한 연구
A STUDY ON THE ENAMEL EROSION CAUSED BY ACIDIC BEVERAGE AND REHARDENING BY INTRAORAL EXPOSURE
소속 상세정보
김정욱/Jung-Wook Kim
KMID : 0358919980250020312
Abstract
결론
저자는 건전한 우치 법랑질을 콜라(pH 2.41)에 5분간 담근 뒤 구강내에 1시간, 24시간, 48
시간 노출시킨 후 각 단계별로 미세경도측정과 주사전자현미경관찰로 다음과 같은 결론을
얻었다.
1. 법랑질을 5분간 콜라로 처리후 미세경도가 유의하게 감소하였으며(p<0.05), 구강내 노
출 1시간후와 24시간후 모두 유의하게 미세경도가 증가하였다(p<0.05).
2. 구강내 노출 24시간후와 48시간후간에는 미세경도의 유의한 차이가 관찰되지 않았으며
(p>0.05), 48시간경과후에도 처리전과 비교하여 유의한 차이가 있었다(p<0.05).
3. 주사전자현미경 관찰 결과 콜라 처리후 법랑질의 침식양상이 관찰되었으며, 시간경과에
따라 광물질침착에 의한 재석회화양상이 관찰되었으나 원래의 모습으로는 회복되지 못하였
다.
#초록#
There are many concerns about the erosive effect of acidic beverage. In this study,
the erosive effect of bovine enamel caused by Pepsi-ColaR(pH 2.41) and
rehardening effect by intraoral exposure were determined by microhardness test and
SEM. The bovine enamel specimen was imbedded in 100ml Pepsi-ColaR
during 5 minutes and exposed to the intraoral environment with removable resin plate.
The microhardness test was performed after 1 hr, 24 hrs, and 48 hrs. The results
obtained from this study can be summarized as follows:
1. The microhardness value was significantly (p<0.05) reduced by cola beverage, and
significantly (p<0.05) increased after 1 hr and 24 hrs respectively.
2. The difference in the microhardness between 24 hrs group and 48 hrs group was
not significant (p>0.05) and microhardness value of 48 hrs group was significantly less
than that of initial group (p<0.05).
3. The erosive effect of cola beverage and remineralization effect by intraoral exposure
were visualized by the SEM photo. But, the enamel surfaces did not return to their
original state.
키워드
beverage; enamel; erosion; rehardening;
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