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DEVELOPING OF QLF-D FOR EARLY DETECTION OF DENTAL CARIES

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¹ÚÇüÁÖ, ±èÁ¾¼ö, À¯½ÂÈÆ, ½ÅÁö¼±,
¼Ò¼Ó »ó¼¼Á¤º¸
¹ÚÇüÁÖ ( Park Hyung-Joo ) - ´Ü±¹´ëÇб³ Ä¡°ú´ëÇÐ ¼Ò¾ÆÄ¡°úÇб³½Ç
±èÁ¾¼ö ( Kim Jong-Soo ) - ´Ü±¹´ëÇб³ Ä¡°ú´ëÇÐ ¼Ò¾ÆÄ¡°úÇб³½Ç
À¯½ÂÈÆ ( Yoo Seung-Hoon ) - ´Ü±¹´ëÇб³ Ä¡°ú´ëÇÐ ¼Ò¾ÆÄ¡°úÇб³½Ç
½ÅÁö¼± ( Shin Ji-Sun ) - ´Ü±¹´ëÇб³ Ä¡°ú´ëÇÐ ¼Ò¾ÆÄ¡°úÇб³½Ç

Abstract

ÀúÀÚ´Â DSLR(digital single-lens reflex) Ä«¸Þ¶ó¸¦ ÀÌ¿ëÇÑ QLF-D ½Ã½ºÅÛÀ» °í¾ÈÇÏ¿©, »ç¶÷ÀÇ À¯±¸Ä¡¿¡ ÀÚ¿¬ ¹ß»ýµÈ ¹ý¶ûÁú Ãʱ⠿ì½ÄÁõÀ» °üÂûÇÏ°í, À¯±¸Ä¡ ¹ý¶ûÁú ½ÃÆíÀ» ´ë»óÀ¸·Î 2ÀϺÎÅÍ 14ÀϱîÁö Àΰø Żȸ½ÃŲ ÈÄ Å»È¸ ±â°£¿¡ µû¸¥ »ó°ü°ü°è¸¦ Æí±¤ Çö¹Ì°æ ¼Ò°ß°ú ºñ±³ ºÐ¼®ÇÑ °á°ú ´ÙÀ½°ú °°Àº °á°ú¸¦ ¾ò¾ú´Ù. 1. Żȸ ±â°£¿¡ µû¸¥ Æí±¤ Çö¹Ì°æ »óÀÇ º´¼Ò ±íÀÌ¿Í QLF-D ¿µ»óÀÇ ±¤¹Ðµµ °ª ºñÀ² °£ÀÇ ÇǾ »ó°ü °è¼ö´Â 0.969¿´´Ù(p<0.01). 2. Æí±¤Çö¹Ì°æ¿¡¼­ ÃøÁ¤µÈ º´¼Ò ±íÀÌÀÇ Å»È¸ ±â°£¿¡ ´ëÇÑ È¸±ÍºÐ¼® °á°ú y=8.67x-1.16ÀÇ È¸±Í ¹æÁ¤½ÄÀÌ »êÃâµÇ¾ú´Ù(p<0.05). 3. QLF-D ¿µ»ó¿¡¼­ ÃøÁ¤µÈ ±¤µµ°ª ºñÀ²ÀÇ Å»È¸ ±â°£¿¡ ´ëÇÑ È¸±ÍºÐ¼® °á°ú y=3.53x+6.42ÀÇ È¸±Í ¹æÁ¤½ÄÀÌ »êÃâµÇ¾ú´Ù(p<0.05).

QLF-D system composed with DSLR(digital single-lens reflex) camera, and the images of natural enamel caries and artificial caries was developed from 2 days to 14 days captured by QLF-D system. The correlation between lesion depth of the polarized microscope and luminosity ratio of QLF-D image was analyzed and the results were summarized as follows: 1. The Pearson correlation value between the lesion depth of polarized microscope images and luminosity ratio of QLF-D images was 0.969(p<0.01). 2. From Regression analysis of lesion depth from polarized image by demineralized period, the equation was y = 8.67x - 1.16(p<0.05). 3. From Regression analysis of luminosity ratio from QLF-D image by demineralized period, the equation was y = 3.53x + 6.42(p<0.05). From the results, QLF-D system can detect the enamel caries at the very early stage and can monitor the progression of demineralization and remineralization. For the convenient use of QLF-D system in the laboratory, the image analysing software was needed to analyze of interest site of enamel caries lesion.

Å°¿öµå

À¯±¸Ä¡; Ãʱ⠹ý¶ûÁú ¿ì½ÄÁõ; Á¶±â Áø´Ü
Primary dentition; Initial enamel caries; Early detection; Quantitative Light-induced Fluorescence

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