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TEMPERATURE TRANSMISSION OF PAC UNIT THROUGH DENTIN

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Abstract

ÇöóÁ ¾ÆÅ© ±¤ÁßÇÕ±â(Plasma Arc Curing units)´Â »ó´ëÀûÀ¸·Î ³ôÀº ±¤°­µµ¸¦ ¹ß»ý½ÃÄÑ ÂªÀº ÁßÇսð£À¸·Î º¹ÇÕ·¹ÁøÀÌ ÃæºÐÇÑ ÁßÇÕ°­µµ¿¡ µµ´ÞÇÒ ¼ö ÀÖ°Ô ÇØÁØ´Ù. ½Ã¼ú½Ã°£ÀÇ ´ÜÃàÀ̶ó´Â Á¡¿¡¼­ ¼Ò¾ÆÄ¡°ú¿¡¼­´Â ÃÖ±Ù¿¡ ÇöóÁ ¾ÆÅ© ±¤ÁßÇձ⸦ ¸¹ÀÌ »ç¿ëÇÏ°í ÀÖÀ¸³ª, ÇöóÁ ¾ÆÅ© ±¤ÁßÇÕ±â´Â ±¤Á¶»ç µ¿¾È ¸¹Àº ¿­À» ¹ß»ý½Ãų ¼ö ÀÖ´Ù.
º» ¿¬±¸¿¡¼­´Â 2Á¾·ùÀÇ ÇöóÁ ¾ÆÅ© ±¤ÁßÇÕ±â(Flipo, Q-Lux plasma 100)¸¦ ÀÌ¿ëÇÏ¿© ¿©·¯ µÎ²²ÀÇ »ó¾ÆÁú ½ÃÆí°ú ÁßÇÕµÈ º¹ÇÕ·¹Áø ½ÃÆíÀ» ÅëÇØ Àü´ÞµÇ´Â ¿Âµµ¸¦ ÃøÁ¤ÇÏ°í ºñ±³ÇÏ¿´´Ù. º» ¿¬±¸ÀÇ °á°ú´Â ´ÙÀ½°ú °°´Ù.
1. ÇöóÁ ¾ÆÅ© ±¤ÁßÇձ⸦ ¿¬¼ÓÀûÀ¸·Î Á¶»çÇÏ¿´À» ¶§, ÁßÇÕ±âÀÇ Á¶»ç´Ü¿¡¼­ ÃøÁ¤µÈ ¿Âµµ´Â Á¶»ç½Ã°£ÀÌ Áõ°¡ÇÔ¿¡ µû¶ó Áõ°¡ÇÏ¿´°í, Q-lux¿¡¼­ Flipoº¸´Ù ´õ Å« ¿Âµµ Áõ°¡¸¦ º¸¿´´Ù(p<0,001).
2. »ó¾ÆÁú ½ÃÆíÀÇ µÎ²²¿¡ µû¸¥ ¿Âµµ º¯È­¿¡¼­, »ó¾ÆÁú ½ÃÆíÀÇ µÎ²²°¡ Áõ°¡ÇÔ¿¡ µû¶ó ¿Âµµ Áõ°¡·®Àº °¨¼ÒµÇ¾ú´Ù(p<0,05).
3. º¹ÇÕ·¹Áø ½ÃÆíÀÇ µÎ²²¿¡ µû¸¥ ¿Âµµ º¯È­¿¡¼­, º¹ÇÕ·¹Áø ½ÃÆíÀÇ µÎ²²°¡ Áõ°¡ÇÔ¿¡ µû¶ó ¿Âµµ Áõ°¡·®Àº °¨¼ÒµÇ¾ú´Ù.(P<0.05).
Plasma Arc Curing(PAC) units operate at relatively high intensity and claimed to result in optimum proper¡þties of composite resin in a short curing time, so the interest of pediatric dentists about PAC units have been in¡þcreased recently. But PAC units used for polymerizing restorative resins produce heat during operation.
The purpose of this study was to evaluate temperature transmission through dentin of various depths using two types of PAC units(Flipo, Q-Lux plasma 100). The results from the present study can be summarized as follows
1. When PAC be used continuously, temperature on tip was increased as curing times, and Q-Lux showed greater temperature rising(p<0.001).
2. Compared temperature transmission as dentin depth, temperature rising rate was decreased as dentin thickened(0.5, 1.0, 1.5, 2.0mm)(p(0.05).
3. Compared temperature transmission as resin depth, temperature rising rate was also decreased as resin thickened (1.0. 2.0mm) (p(0.05).

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¿Âµµ Àü´Þ;ÇöóÁ ¾ÆÅ© ±¤ÁßÇÕ±â;»ó¾ÆÁú µÎ²²;Temperature transmission;Plasma arc curing unit;Dentin thickness

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