Journal of the Korean Academy of Pediatric Dentistry 2007;34(2):183-191.
Published online May 31, 2007.
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
단국대학교 치과대학 소아치과학교실 
Digital Imaging Fiber-Optic Trans-Illumination과 Laser Fluorescence를 이용한 평활면 초기우식증의 재광화에 관한 비교 연구
황규선, 유승훈, 김종수
단국대학교 치과대학 소아치과학교실
Correspondence:  , 
Abstract
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.
Key Words: Smooth surface initial caries, Bovine teeth, Remineralization, Digital Imaging Fiber-Optic Trans-Illumination, Laser Fluorescence
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