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Evaluation of High-power Light Emitting Diode Curing Light on Sealant Polymerization

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¹Ú¿µÁØ ( Park Young-Jun ) - ¿ø±¤´ëÇб³ Ä¡°úº´¿ø ¼Ò¾ÆÄ¡°ú
ÀÌÁ¦¿ì ( Lee Je-Woo ) - ¿ø±¤´ëÇб³ Ä¡°ú´ëÇÐ ¼Ò¾ÆÄ¡°úÇб³½Ç
¶óÁö¿µ ( Ra Ji-Young ) - ¿ø±¤´ëÇб³ Ä¡°ú´ëÇÐ ¼Ò¾ÆÄ¡°úÇб³½Ç

Abstract

ÀÌ ¿¬±¸ÀÇ ¸ñÀûÀº °íÃâ·Â ¹ß±¤ ´ÙÀÌ¿Àµå ±¤ÁßÇÕ±âÀÇ Xtra Power ¹× High Power modeÀÇ ÂªÀº ÁßÇսð£ÀÌ ·¹Áø Ä¡¸é¿­±¸Àü»öÁ¦ÀÇÁßÇÕ¿¡ ÃæºÐÇÑÁö¸¦ È®ÀÎÇÏ´Â °ÍÀÌ´Ù. ±Ý¼Ó ÁÖÇüÀ» ÀÌ¿ëÇØ ½ÃÆíÀ» Á¦ÀÛÇÏ¿© ¹Ì¼¼°æµµ¸¦ ÃøÁ¤ÇÏ¿´À¸¸ç, ±âÁ¸ÀÇ ¹ß±¤ ´ÙÀÌ¿Àµå ±¤ÁßÇÕ±â·Î ÁßÇÕÇÑ ½ÃÆíÀÇ ¹Ì¼¼°æµµ¿Í ºñ±³ÇÏ¿´´Ù. ±× °á°ú, High Power mode·Î 8ÃÊ, Xtra Power mode·Î 3ÃÊ ÁßÇÕÇÑ filled sealant¿Í High Power mode·Î 8ÃÊ, 12ÃÊ, Xtra Power mode ·Î 6ÃÊ ÁßÇÕÇÑ unfilled sealantÀÇ »ó¸é°ú ÇÏ¸é ¸ðµÎ¿¡¼­ ´ëÁ¶±ºº¸´Ù À¯ÀÇÇÏ°Ô ³·Àº ¹Ì¼¼°æµµ¸¦ ³ªÅ¸³Â´Ù(p = 0.000). ÀÌ ¿¬±¸¸¦ ÅëÇÏ¿© ÁßÇÕ ½Ã°£°ú Àü»öÁ¦ÀÇ Á¾·ù¸¦ °í·ÁÇÑ Æ¯Á¤ Á¶°Ç¿¡¼­ °íÃâ·Â ¹ß±¤ ´ÙÀÌ¿Àµå ±¤ÁßÇÕ±âÀÇ Xtra Power ¹× High Power modeÀÇ ÂªÀº ÁßÇսð£ÀÌ Ä¡¸é¿­±¸Àü»öÁ¦¸¦ ÀûÀýÈ÷ ÁßÇÕÇϱ⿡ ÃæºÐÇÏÁö ¾ÊÀ½À» ¾Ë ¼ö ÀÖ¾ú´Ù.

This study aimed to determine whether the curing times of Xtra Power and High Power modes of high-power light emitting diode (LED) curing light are sufficient for polymerization of resin sealants. The specimens were prepared and their microhardness values were measured and compared with those of specimens polymerized under conventional LED curing light. The filled sealant polymerized for 8 seconds in the High Power mode and for 3 seconds in the Xtra Power mode showed significantly lower microhardness than the control specimen (p = 0.000). The unfilled sealant polymerized for 8, 12 seconds in the High Power mode and for 6 seconds in the Xtra Power mode showed significantly lower microhardness than the control specimen (p = 0.000). The results of this study suggest that the short curing time with the Xtra Power and High Power modes of highpower LED curing light are not sufficient for adequate polymerization of sealants under specific conditions, taking into account the curing times and the type of sealant.

Å°¿öµå

Pit and fissure sealant; Light emitting diodes; Microhardness; Curing unit

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