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KMID : 0358920040310040671
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Journal of the Korean Academy of Pedodontics
2004 Volume.31 No. 4 p.671 ~ p.679
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DEVELOPEMENT OF OPTICAL CARIES ACTIVITY TEST USING DENTAL CURING LIGHT
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Lee Nan-Young
Kim Mi-Ra
Oh You-Hyang
Lee Chang-Seep
Lee Sang-Ho
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Abstract
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The purpose of this study was to develop a practical caries activity test by fluorescence using laser, plasma light and halogen light. The subjects of study were 45 children of 7-8 years old. Argon laser, plasma light and halogen light were irradiated to buccal or labial surface of all teeth. Fluorescence of initial carious lesion from teeth was observed through barrier filter and the number of teeth showing lesion was counted. Visual examination for the dDfFtT, mutans streptococci screening test and Lactobacilli colony counting were also done. Data analysis was accomplished by Axelsson’s method.
The result from the present study can be summarized as follows.
1. Laser, plasma light and halogen light could detect the initial carious lesions better than visual examination(p＜0.05).
2. There was positive correlation between laser(r=0.42), plasma light(r=0.41), halogen light(r=0.39) and dDfFtT rate(p＜0.01).
3. The specificity, sensitivity and predictive value was showed highest value in laser. but was showed favorable value in plasma light and halogen light.
In regard to above results, laser, plasma light and halogen light all considered to be reliable method for determining individual caries activity. And they were also considered to be practical method because it would be simple, inexpensive, and time saving method.
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KEYWORD
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Caries activity test, Initial dental caries, Curing light
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