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KMID : 0358920070340020183
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Journal of the Korean Academy of Pedodontics
2007 Volume.34 No. 2 p.183 ~ p.191
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COMPARATIVE STUDY ON THE EFFICACY OF DIGITAL IMAGING FIBER-OPTIC TRANS-ILLUMINATION AND LASER FLUORESCENCE IN MONITORING THE REMINERALIZATION PROCESS OF INCIPIENT SMOOTH SURFACE ENAMEL LESIONS
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Hwang Kyu-Seon
Yoo Seung-Hoon
Kim Jong-Soo
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Abstract
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Through out the world dental caries seems to be decreased as it is difficult to make an accurate diagnosis for dental caries. The traditional diagnostic method which is probing and x-ray taking has many limitations to diagnose the early caries, so there were recommendations for the needs of new equipments such as laser fluorescence(LF), digital imaging fiber-optic trans-illumination(DIFOTI), and quantitative light fluorescence (QLF) which were developed from various study results. Also confocal laser scanning microscopy(CLSM) and ultrasonics are used for research progression. This study is to evaluate whether it is possible to monitor accurately for remineralization amount of enamel surface early caries using DIFOTI or LF After inducing artificial caries to bovine teeth to 10 participants remineralization was enhanced by 0 ppm and 500 ppm fluoride mouth rinse solution for 3 weeks. Then they were cross sectioned and analyzed using gold standard of the lesion depth measured by CLSM. The following results were obtained:
1. The measured percentage of light intensity(luminosity ratio) by DIFOTI increased with remineralization period, and showed significant reverse correlation with lesion depth measured by CLSM (p<0.01).
2. The measurement of laser fluorescence increased with remineralization period, and showed significant correlation with lesion depth measured by CLSM (p<0.01).
3. To the result for CLSM, 500 ppm fluoride mouth rinse group showed rapid rate for decreased tendency of lesion depth than 0 ppm fluoride mouth rinse group.
In conclusion DIFOTI system was used to measure accurately for the remineralization amount of early surface caries, it is a very useful equipment to detect precisely the changes for early enamel caries remineralization during treatments.
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KEYWORD
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Smooth surface initial caries, Bovine teeth, Remineralization, Digital Imaging Fiber-Optic Trans-Illumination, Laser Fluorescence
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