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A STUDY ON THE RELIABILITY OF THE OPTICAL CARIES ACTIVITY TEST

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¹Úöȫ, À̳­¿µ, ÀÌ»óÈ£,
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¹Úöȫ ( Park Cheol-Hong ) - Á¶¼±´ëÇб³ Ä¡°ú´ëÇÐ ¼Ò¾ÆÄ¡°úÇб³½Ç
À̳­¿µ ( Lee Nan-Young ) - Á¶¼±´ëÇб³ Ä¡°ú´ëÇÐ ¼Ò¾ÆÄ¡°úÇб³½Ç
ÀÌ»óÈ£ ( Lee Sang-Ho ) - Á¶¼±´ëÇб³ Ä¡°ú´ëÇÐ ¼Ò¾ÆÄ¡°úÇб³½Ç

Abstract

º» ¿¬±¸´Â LED Çü±¤¹ýÀ» ÀÌ¿ëÇÏ¿© °¢ °³ÀÎÀÇ ¿ì½ÄÈ°¼ºµµ¸¦ ÃøÁ¤ÇÒ ¼ö ÀÖ´ÂÁö¸¦ ±Ô¸íÇϱâ À§ÇØ 6{sim}7¼¼ÀÇ ¾Æµ¿ 55¸íÀ» ´ë»óÀ¸·Î Ä¡¾ÆÀÇ ¼ø¸é°ú Çù¸é¿¡ LED ±¤À» Á¶»çÇÏ°í Ư¼ö ÇÊÅ͸¦ »ç¿ëÇÏ¿© Ãʱâ Ä¡¾Æ¿ì½ÄÁõÀÌ °üÂûµÇ´Â Ä¡¾ÆÀÇ ¼ö¿Í ¿ì½ÄÀÇ Å©±â, À§Ä¡ µîÀ» ±â·ÏÇÏ°í, ÀÌ¿Í °°Àº Ãʱâ Ä¡¾Æ¿ì½ÄÁõÀÇ ¼ö¸¦ ÃøÁ¤ÇÏ´Â ¿ì½ÄÈ°¼º°Ë»ç¹ý°ú ±âÁ¸ÀÇ ¿ì½ÄÈ°¼ºµµ ÃøÁ¤¹æ¹ýÀÎ dDfFtT rate, Streptococcus mutans colony count¿Í »ó°ü¼ºÀ» ºñ±³, Æò°¡ÇÏ°í, LED Çü±¤¹ýÀ» ÀÌ¿ëÇÑ ¿ì½ÄÈ°¼º°Ë»çÀÇ Æ¯À̵µ, ¹Î°¨µµ, Áø´Ü·ÂÀ» Æò°¡ÇÏ¿´´Ù.
1. LED Çü±¤¹ýÀ» ÀÌ¿ëÇÑ ¿ì½ÄÈ°¼ºµµ ÃøÁ¤¹ýÀº ±âÁ¸ÀÇ Streptococcus mutans colony count °Ë»ç¹ý°ú ºñ±³Àû ³ôÀº »ó°ü°ü°è¸¦ º¸¿´´Ù({gamma}=0.43,;P<0.05).
2. À°¾È°Ë»ç¸¦ ±âÁØ°Ë»ç¹ýÀ¸·Î ÇÏ¿´À» ¶§, LEDÀÇ Æ¯À̵µ, ¹Î°¨µµ, Áø´Ü·ÂÀº °¢°¢ 100%, 76.1%, 100%À̾ú´Ù.
3. dDfFtT¸¦ ±âÁØ°Ë»ç¹ýÀ¸·Î ÇÏ¿´À» ¶§, LEDÀÇ Æ¯À̵µ, ¹Î°¨µµ, Áø´Ü·ÂÀº °¢°¢ 88.9%, 47.8%, 95.7%À̾ú´Ù.
4. S. mutans ÃøÁ¤¹ýÀ» ±âÁØ°Ë»ç¹ýÀ¸·Î ÇÏ¿´À» ¶§, LEDÀÇ Æ¯À̵µ, ¹Î°¨µµ, Áø´Ü·ÂÀº °¢°¢ 100%, 58.7%, 100%À̾ú´Ù.
ÀÌ»óÀÇ °á°ú¸¦ Á¾ÇÕÇÏ¿© º¼ ¶§ LED±¤ÁßÇձ⸦ ÀÌ¿ëÇÑ ±¤ÇÐÀû Ä¡¾Æ¿ì½ÄÈ°¼º °Ë»ç¹ýÀº ¹Ì»ý¹°ÇÐÀû Ä¡¾Æ¿ì½ÄÈ°¼º °Ë»ç¹ý°ú ºñ±³ÇÏ¿© À¯ÀÇÇÑ »ó°ü°ü°è¸¦ º¸¿© ÀÓ»ó¿¡¼­ È°¿ë °¡´É¼ºÀÌ Å¬ °ÍÀ¸·Î »ç·áµÈ´Ù.

The purpose of this study was to evaluate the specificity, sensitivity, and diagnostic power of caries activity test using LED fluorescence. The subjects of this study were 55 children of 6{sim}7 years old. LED light were irradiated to labial or buccal surface of all teeth. Fluorescence from initial carious lesion of teeth illuminated by an LED light was observed through barrier filter and the number of teeth showing lesion, size and position of lesion were counted. Streptococcus mutans colony counting and dDfFtT rate test were also done and their correlation was compared. And then specificity, sensitivity, diagnostic power of optical caries activity test using LED light were evaluated.
1. There was positive correlation({gamma}=0.43) between LED fluorescence test and Streptococcus mutans count(P<0.05).
2. When visual examination was defined to standard testing method, the specificity, sensitivity, diagnostic power of LED fluorescence test were 100%, 76.1%, and 100%.
3. When dDfFtT rate was defined to standard testing method, the specificity, sensitivity, diagnostic power of LED fluorescence test were 88.9%, 47.8%, and 95.7%.
4. When S. mutans colony counting was defined to standard testing method, the specificity, sensitivity, diagnostic power of LED fluorescence test were 100%, 58.7%, and 100%.
Considering the above results, optical caries activity test using LED light could be regarded as a practical method because of its close relationship with microbiological caries activity test.

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LED Çü±¤¹ý;Ä¡¾Æ¿ì½ÄÈ°¼º°Ë»ç;Ãʱâ Ä¡¾Æ¿ì½ÄÁõ;¹Î°¨µµ;ƯÀ̵µ
LED fluorescence;Caries activity test;Initial dental caries;Sensitivity;Specificity

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