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DETECTION OF EARLY PROXIMAL CARIES WITH LASER FLUORESCENCE

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Abstract

·¹ÀÌÀú Çü±¤¹ýÀ» ÀÌ¿ëÇÏ¿© Ãʱâ ÀÎÁ¢¸é ¿ì½ÄÁõÀ» ŽÁöÇÒ ¼ö ÀÖ´ÂÁöÀÇ ¿©ºÎ¿Í ±× ŽÁö °¨µµ¸¦ Æò°¡ÇÏ¿© ÀÎÁ¢¸é ¿ì½ÄÁõÀÇ Áø´Ü¿¡ È°¿ë °¡´ÉÇÑÁöÀÇ ¿©ºÎ¸¦ ±Ô¸íÇϱâ À§ÇÏ¿© »ç¶÷ÀÇ Ä¡¾Æ¸¦ »ç¿ëÇÏ¿© ´Ù¾çÇÑ ±íÀÌÀÇ Àΰø¿ì½Äº´¼Ò¸¦ À¯¹ß½ÃÅ°°í À̸¦ °¡½Ã±¤¼± Åõ°ú¹ý¿¡ ÀÇÇÑ ½ÃÁø, ±³ÀÍ ¹æ»ç¼±»çÁø ÃÔ¿µ, ·¹ÀÌÀú Çü±¤¹ý, ±¤È°¼º ¿°·á¸¦ ÀÌ¿ëÇÑ ·¹ÀÌÀú Çü±¤¹ý µîÀ¸·Î °üÂûÇÏ¿© °Ë»ç¹ý °£ÀÇ ÀÏÄ¡µµ, »ó°ü°ü°è, º´¼Ò ±íÀÌ¿¡ µû¸¥ ±¤¹Ðµµ µîÀ» ºÐ¼®ÇÏ¿© ´ÙÀ½°ú °°Àº °á°ú¸¦ ¾ò¾ú´Ù.
1.Żȸ½Ã°£°ú °¢ °Ë»ç¹ýµé°ú ÀÏÄ¡µµ °Ë»ç¿¡¼­ ½ÃÁøÀÇ °æ¿ì tau-c°ªÀÌ 0.08·Î Żȸ½Ã°£¿¡ µû¸¥ ½ÃÁøÀÇ °Ë»ç ¼öÄ¡°¡ ÀÏÄ¡ÇÏÁö ¾Ê¾ÒÀ¸³ª ±³ÀÍ ¹æ»ç¼±»çÁø, ·¹ÀÌÀú Çü±¤¹ý, ±¤È°¼º ¿°·á¸¦ ÀÌ¿ëÇÑ ·¹ÀÌÀú Çü±¤¹ýÀÇ tau-c°ªÀº °¢°¢ 0.60, 0.48, 0,64·Î ÀÏÄ¡ÇÏ´Â °ÍÀ¸·Î ³ªÅ¸³µ´Ù.
2. Żȸ½Ã°£¿¡ µû¸¥ º´¼Ò±íÀÌ¿Í °¢ °Ë»ç¹ý °£ÀÇ »ó°ü°ü°è´Â ±¤È°¼º ¿°·á¸¦ ÀÌ¿ëÇÑ ·¹ÀÌÀú Çü±¤¹ý(¥ã=0.51), ·¹ÀÌÀú Çü±¤¹ý(¥ã=0.43), ±³ÀÍ ¹æ»ç¼±»çÁø(¥ã=0.35), ½ÃÁø(¥ã=0.33) ¼øÀ¸·Î ³ô¾ÒÀ¸¸ç ±¤È°¼º ¿°·á¸¦ ÀÌ¿ëÇÑ ·¹ÀÌÀú Çü±¤¹ý°ú
·¹ÀÌÀú Çü±¤¹ýÀº Żȸ ½Ã°£°ú »ó°ü°ü°è°¡ ÀÖ¾ú´Ù(P<0.05).
3.±³ÀÍ ¹æ»ç¼±»çÁøÀ» ±âÁØ °Ë»ç¹ýÀ¸·Î ÇÑ ·¹ÀÌÀú Çü±¤¹ý°ú ±¤È°¼º ¿°·á¸¦ ÀÌ¿ëÇÑ ·¹ÀÌÀú Çü±¤¹ýÀÇ Áø´ÜÇÐÀû ¹Î°¨µµ´Â °¢°¢ 67%, 100%¿´À¸¸ç ƯÀ̵µ´Â 57%, 11%·Î ¹Î°¨µµ¿¡ ºñÇØ »ó´ëÀûÀ¸·Î ³·°Ô ³ªÅ¸³µ´Ù.
4. º´¼ÒÀÇ ±íÀÌ¿¡ µû¸¥ º´¼Ò Ç¥¸é¿¡¼­ÀÇ °ÇÀü Ä¡Áú°ú ¿ì½Ä Ä¡Áú »çÀÌÀÇ ±¤¹ÐµµÀÇ Â÷ÀÌ(DFR)´Â ±¤È°¼º ¿°·á¸¦ ÀÌ¿ëÇÑ ·¹ÀÌÀú Çü±¤¹ýÀÌ ·¹ÀÌÀú Çü±¤¹ý¿¡ ºñÇØ Å©°Ô ³ªÅ¸³µÀ¸¸ç(P<0.05) º´¼Ò ±íÀÌÀÇ º¯È­¿¡ µû¸¥ ±¤¹Ðµµ º¯È­´Â ·¹ÀÌÀú Çü±¤¹ýÀÇ °æ¿ì À¯ÀÇÇÑ º¯È­¸¦ º¸À̴µ¥ ¹ÝÇØ ±¤È°¼º ¿°·á¸¦ ÀÌ¿ëÇÑ ·¹ÀÌÀú Çü±¤¹ý¿¡¼­´Â º¯È­¸¦ º¸ÀÌÁö ¾Ê¾Ò´Ù.
ÀÌ»óÀÇ °á°ú¸¦ Á¾ÇÕÇϸé, Ãʱâ ÀÎÁ¢¸é ¿ì½ÄÁõÀÇ Áø´Ü¿¡ ÀÖ¾î ·¹ÀÌÀú Çü±¤¹ý°ú ±¤È°¼º ¿°·á¸¦ ÀÌ¿ëÇÑ ·¹ÀÌÀú Çü±¤¹ýÀº ±³ÀÍ ¹æ»ç¼±»çÁø¿¡ µÚÁöÁö ¾ÊÀº Áø´Ü´ÉÀ» °¡Áö°í ÀÖÀ¸³ª ¿ì½Ä º´¼ÒÀÇ Á¤¼ºÀûÀÎ ºÐ¼®»Ó ¾Æ´Ï¶ó Á¤·®Àû ºÐ¼®ÀÌ °¡´ÉÇÑÁöÀÇ ¿©ºÎ´Â ÇâÈÄ ´õ ¸¹Àº ¿¬±¸°¡ ÇÊ¿äÇϸ®¶ó »ç·áµÈ´Ù.
Artificial carious lesions in various depths were observed with visual examination using light transillumina¡þtion, bite-wing radiography, laser fluorescence, and dye-enhanced laser fluorescence to determine the repro¡þducibility, correlation of each diagnostic method, diagnostic sensitivity and diagnostic specificity. And optical densities according to demineralized times were measured whether laser fluorescence could be used as a quanti¡þtative diagnostic method.
The following results were obtained whether laser fluorescence could be used for diagnosis of initial proximal caries.
1. Tau-c values of visual examination was 0.08 which showed lowest reproducibility, and those of bite-wing radiography, laser fluorescence, dye-enhanced laser fluorescence were 0.60, 0.48, and 0.64, respectively which showed relatively high reproducibility.
2. The correlation between demineralization time and each examination was the highest in dye-enhanced laser fluorescence (Y=0.51), followed by laser fluorescence (Y=0.43), bite-wing radiograph (Y= 0. 35), and visual ex¡þamination(Y=0.33). Dye-enhanced laser fluorescence and laser fluorescence showed significant correlation with demineralization time.
3. The sensitivity of laser_ fluorescence and dye-enhanced laser fluorescence for diagnosing approximal caries based on bite-wing radiography were 67%, 100% and those of specificity were 57%, 11% which showed di¡þagnostic specificity was relatively lower than sensitivity.
4. The difference in optical density(DFR) between sound teeth and carious lesions according to lesion depth was high with dye-enhanced laser fluorescence compared with laser fluorescence. DFR measured with laser fluorescence according to changes in lesion depth was statistically significant but was not statistically signif¡þicant with dye-enhanced laser fluorescence.
Based on these results, laser fluorescence and dye-enhanced laser fluorescence have comparable diagnostic power as bite-wing radiography in early diagnosis of proximal caries.

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ÀÎÁ¢¸é ¿ì½ÄÁõ;Áø´Ü;·¹ÀÌÀú Çü±¤¹ý;Proximal caries;Diagnosis;Laser fluorescence

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