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A STUDY OF MICROLEAKAGE AND PENETRATION ABILITY OF A PIT AND FISSURE SEALANT APPLIED ON CARIOUS FISSURES

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

Abstract

º» ¿¬±¸¿¡¼­´Â ±³ÇÕ¸é ¿­±¸¿ì½Ä¿¡ ´ëÇÑ Áø´ÜÇÐÀû ±âÁØÀ» ±âÁ¸ÀÇ ½Ã°¢¿¡¸¸ ÀÇÁ¸ÇÏÁö ¾Ê°í ·¹ÀÌÀúÇü±¤À» ÀÌ¿ëÇÑ ±¤ÇÐÀû ¿ì½ÄÁø´Ü¹ýÀ» Ãß°¡·Î µµÀÔÇÏ¿© ¿ì½ÄÀÇ »óŸ¦ °ÇÀü, Âø»ö, Ãʱ⠿ì½Ä, ¹ý¶ûÁú ¿ì½ÄÀÇ 4°¡Áö ´Ü°è·Î ¼¼ºÎ ºÐ·ùÇÏ¿© Ä¡¸é¿­±¸Àü»öÁ¦¸¦ µµÆ÷ÇÏ°í ¹Ì¼¼´©Ãâ°ú ħÅõµµ¸¦ Á¶»çÇÔÀ¸·Î½á Ä¡¸é¿­±¸Àü»öÁ¦ÀÇ Àû¿ë ±âÁØ¿¡ ´ëÇÑ ÀÓ»óÀû ÁöħÀ» ¸¶·ÃÇÏ°íÀÚ ÇÏ¿´´Ù. ½ÃÁø°ú ŽħÀ¸·Î °Ë»çÇÏ¿© ÃæÀü¹°, ÆÄÀý, Ç¥¸é °áÇÔÀÌ ¾ø°í, ¹æ»ç¼±»çÁøÀ» ÅëÇØ »ó¾ÆÁú ¿ì½ÄÁõÀÌ Á¸ÀçÇÏÁö ¾Ê´Â ¿µ±¸ ¼Ò±¸Ä¡ 80°³¸¦ ½ÇÇè´ë»óÀ¸·Î »ç¿ëÇÏ¿´´Ù. ±³ÇÕ¸é ¿ì½Ä¼º ¿­±¸¿¡ Ä¡¸é¿­±¸Àü»öÀÌ °¡´ÉÇÑÁö ¿©ºÎ¸¦ Æò°¡Çϱâ À§ÇØ ½ÃÁø ¹× Žħ, ±×¸®°í ·¹ÀÌÀúÇü±¤À» ÀÌ¿ëÇÑ Ä¡¾Æ¿ì½ÄÁõ Áø´Ü±â±âÀÎ DIAGNOdent (Kavo, Biberach, Germany)¸¦ »ç¿ëÇÏ¿© ±³ÇÕ¸é ¿­±¸ÀÇ »óŸ¦ °ÇÀü, Âø»ö, Ãʱâ¿ì½Ä, ¹ý¶ûÁú¿ì½ÄÀÇ 4°¡Áö ´Ü°è·Î ºÐ·ùÇÏ¿´´Ù. Á¦Á¶È¸»çÀÇ Áö½Ã´ë·Î Ä¡¸é¿­±¸Àü»öÀ» ½ÃÇàÇÑ ÈÄ Àü»öÁ¦ÀÇ ¹Ì¼¼´©Ãâ°ú ħÅõµµ¸¦ ºñ±³ Æò°¡ÇÑ °á°ú´Â ´ÙÀ½°ú °°¾Ò´Ù. 1. ¹ý¶ûÁú¿ì½ÄÀÎ Á¦Four±º¿¡¼­ ¹Ì¼¼´©ÃâÀÌ °¡Àå Å©°Ô ³ªÅ¸³µÀ¸¸ç, °ÇÀü, Âø»ö, Ãʱâ¿ì½Ä±ºÀÎ Á¦I±º, II±º, III±º°ú ºñ±³ÇßÀ» ¶§ Åë°èÇÐÀû À¯ÀÇÂ÷¸¦ ³ªÅ¸³Â´Ù(p<0.05). 2. Ä¡¸é¿­±¸Àü»öÁ¦ÀÇ Ä§Åõµµ°¡ °¡Àå ³ôÀº Á¦I±ºÀº Á¦II±º, III±º, IV±º°ú ºñ±³ÇßÀ» ¶§ Åë°èÇÐÀû À¯ÀÇÂ÷¸¦ ³ªÅ¸³Â°í(p<0.05), I±º>II±º>III±º>IV±º ¼øÀ¸·Î ħÅõµµ°¡ °¨¼ÒÇÏ¿´À¸³ª Åë°èÇÐÀû À¯ÀÇÂ÷´Â ¾ø¾ú´Ù(p>0.05). ÀÌ»óÀÇ °á°ú¸¦ Á¾ÇÕÇÏ¿© º¼ ¶§, ¿­±¸°¡ Âø»öµÈ °æ¿ì³ª Ãʱâ¿ì½ÄÀÌ ÀÖ´Â °æ¿ì¿¡µµ Ä¡¸é¿­±¸Àü»öÀÌ °¡´ÉÇϳª ÀÓ»óÀûÀ¸·Î ŽħÀ» ÅëÇØ °¨ÁöÇÒ ¼ö ÀÖÀ» Á¤µµÀÇ ¹ý¶ûÁú ¿ì½Ä ¿­±¸´Â Ä¡¸é¿­±¸Àü»öÀ» ½ÃÇàÇÒ °æ¿ì ÀÌÂ÷¿ì½Ä°ú °°Àº ºÎÀÛ¿ëÀ» ÃÊ·¡ÇÒ ¼ö ÀÖÀ½À» ¿¹»óÇÒ ¼ö ÀÖ´Ù.

The purpose of this study is to compare microleakage and penetration depths of sealants applied in carious and sound fissures. Extracted premolars(n=80) were divided into 4 groups according to caries status. 1; sound, 2; stained, 3; initial caries, 4; enamel caries. Sealants were applied to the occlusal groove as per manufacturers¡¯ instructions, and specimens were thermocycled, stained, sectioned, and examined for microleakage and penetration ability. The results of the present study are as follow: 1. It showed significantly higher microleakage scores in group I than group Two, Three, Four(p<0.05), but no significant difference was found between group Two, Three, and IV(p>0.05). 2. It showed significantly higher penetration scores in group Four (p<0.05), followed by group One, Two, Three, but no significant difference was found between group One, Two, and Three(p>0.05). Based on the results of present study, when the borders of the fissure sealant are on carious enamel, a significantly higher microleakage must be expected. It is considered that depth of enamel caries in the fissure should be taken into account when applying a fissure sealant.

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Carious fissure;Sealant;Microleakage;Penetration

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