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KMID : 0362319970220020637
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Journal of Korean Academy of Operative Dentistry
1997 Volume.22 No. 2 p.637 ~ p.647
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THE EFFECTS OF CONCENTRATION AND pH OF LACTIC ACID ON THE FORMATION OF ARTIFICIAL ROOT CARIES LESION
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Abstract
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The purpose of this study was to evaluate the effect of concentration and pH of lactic
acid on the formation of artificial root caries lesions formation in bovine teeth. The
characterictics of artificially produced early root lesions were observed with polarized
light microscope and the depth of lesions were mearsured with measuring microscope.
The results were as follows : 1. In the group of low pH and high concentration of
lactic acid, the progress of lesion formation was faster than that of high pH and low
concentration lactic acid group.
2. In the same group, initial lesion progress faster, but progression rate was reduced as
time goes by.
3. In the development of initial root caries, cementum was act as a barrier to protect
dentin from lesion progression.
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KEYWORD
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