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Discrimination between FRC-post and core according to the color ifference

±¸°­È¸º¹ÀÀ¿ë°úÇÐÁö 2015³â 31±Ç 2È£ p.75 ~ 85
±èÁÖȸ, ±èÁø¿ì, Á¶°æ¸ð, ¹Ú¼¼Èñ,
¼Ò¼Ó »ó¼¼Á¤º¸
±èÁÖȸ ( Kim Jou-Hwe ) - °­¸ª¿øÁÖ´ëÇб³ Ä¡°ú´ëÇÐ Ä¡°úº¸Á¸Çб³½Ç
±èÁø¿ì ( Kim Jin-Woo ) - °­¸ª¿øÁÖ´ëÇб³ Ä¡°ú´ëÇÐ Ä¡°úº¸Á¸Çб³½Ç
Á¶°æ¸ð ( Cho Kyung-Mo ) - °­¸ª¿øÁÖ´ëÇб³ Ä¡°ú´ëÇÐ Ä¡°úº¸Á¸Çб³½Ç
¹Ú¼¼Èñ ( Park Se-Hee ) - °­¸ª¿øÁÖ´ëÇб³ Ä¡°ú´ëÇÐ Ä¡°úº¸Á¸Çб³½Ç

Abstract

¸ñÀû: À̹ø ¿¬±¸ÀÇ ¸ñÀûÀº FRC-Æ÷½ºÆ®¿Í Äھ »ö»óÂ÷ÀÌ¿¡ µû¶ó ±¸º°µÇ´Â Á¤µµ¸¦ ºñ±³ÇÏ´Â °ÍÀÌ´Ù.

¿¬±¸ Àç·á ¹× ¹æ¹ý: ½ÇÇèÀ» À§ÇØ À¯»çÇÑ Å©±â(¡¾ 0.5 mm)¿Í ±æÀÌ(¡¾ 0.5 mm)ÀÇ ¹ßÄ¡ ÇÑ ÇÏ¾Ç ¼Ò±¸Ä¡ 9°³¸¦ ±Ù°ü Çü¼ºÇÏ°í ÃæÀüÇÏ¿´´Ù. 3°³ÀÇ Ä¡±ÙÀ» ü¿ÂÀ» ÀçÇöÇϱâ À§ÇØ 37¡ÆC ¹°ÀÌ È帣´Â °¡´Â ½Ç¸®ÄÜ Æ©ºê·Î °¨Àº ÈÄ cold mounting resin¿¡ ¸Å¸ôÇÏ¿© °¢ 3°³ÀÇ Ä¡±ÙÀÌ ¸Å¸ôµÈ ÃÑ 3°³ÀÇ ½ÃÆíÀ» Á¦ÀÛÇÏ¿´´Ù. °³°³ÀÇ ½ÃÆí Ä¡±Ù¿¡´Â 3Á¾·ùÀÇ Snowpost¢ç, MACROLOCKTM POST ILLUSIONTM XRO¢ç, FRC Postec¢ç Plus post¸¦ ÀÌ¿ëÇÏ¿© °¢°¢ÀÇ Æ÷½ºÆ®¿¡ ¸Â°Ô °ø°£À» Çü¼ºÇÏ°í Æ÷½ºÆ®¸¦ Á¢ÂøÇÏ¿´´Ù. 3°³ÀÇ ½ÃÆí º°·Î Luxacore¢ç Dual Blue, Luxacore¢ç Dual A3 ¹× FiltekTM Z350 XT A1E·Î Äھ ÃàÁ¶, ½ÃÆí º°·Î ´Ù¸¥ Äھ »ç¿ëÇÏ¿´´Ù. °¢ ½ÃÆí¿¡ ´ëÇØ ¿Âµµ¸¦ ³·Ãß±â À§ÇÑ ¾ÐÃà°ø±â¸¦ ºÒ ¶§¿Í ¾È ºÒ ¶§·Î ³ª´©¾î µðÁöÅÐ À̹ÌÁö¸¦ ÃÔ¿µÇÏ¿´´Ù. Ä¡°úÀÇ»ç 50¸í°ú Ä¡°ú´ëÇÐ ´ëÇлý 50¸í ÃÑ 100¸í¿¡°Ô ¾î¶² Æ÷½ºÆ®°¡ ÄÚ¾î¿Í °¡Àå ±¸º°ÀÌ ÀߵǴ Áö¸¦ ¼³¹®Á¶»ç ÇÏ¿´´Ù.

°á°ú: Luxacore¢ç Dual Blue¿¡¼­´Â Snowpost¢ç°¡, Luxacore¢ç Dual A3¿¡¼­´Â Snowpost¢ç°¡, FiltekTM Z350 A1E¿¡¼­´Â MACRO-LOCKTM POST ILLUSIONTM XRO¢ç°¡ ±¸º°ÀÌ °¡Àå ÀߵǾú´Ù. ¾ÐÃà°ø±â¸¦ ºÒ¾î ¿Âµµ¸¦ ³»¸®¸é ³ªÅ¸³ª´Â MACRO-LOCKTM POST ILLUSIONTM XRO¢çÀÇ »öÀº Æ÷½ºÆ®¿Í ÄÚ¾îÀÇ ±¸º°À» ´õ ¿ëÀÌÇÏ°Ô ÇÏ¿´´Ù.

°á·Ð: FRC-Æ÷½ºÆ®¿Í º¹ÇÕ·¹Áø Äھ ±¸º°µÇ´Â Á¤µµ´Â »ö»óÂ÷ÀÌ¿¡ µû¶ó ´Ù¸§À» ¾Ë ¼ö ÀÖ¾ú´Ù.

Purpose: The purpose of this study is to evaluate which FRC-posts were more distinguishable from core. Materials and
Methods: Nine extracted single-rooted mandibular premolars with similar lengths (¡¾ 0.5 mm) and widths (¡¾ 0.5 mm) were endodontically treated and obturated. One specimen which the three roots were embedded in a cold mounting resin was made. 3 specimens were made by this method. Post spaces were prepared for the following post system: FRC Postec¢ç Plus, MACRO-LOCKTM POST ILLUSIONTM XRO¢ç, Snowpost¢ç. After three different posts were placed in the roots of a specimen, each three specimens received a direct core build-up: Luxacore¢ç Dual A3, Luxacore¢ç Dual blue, FiltekTM Z350 A1E. Digital images were taken of the post and core with and without air-blowing. We asked to fifty dentists and fifty dental college students which post was more clearly discriminated from the core.

Results: In surveys, when core was Luxacore¢ç Dual blue, among three types of posts people more easily discriminated the Snowpost¢ç from core. When core was Luxacore¢ç Dual A3, among three types of posts people similarly more easily discriminated Snowpost¢ç from core. When core was FiltekTM Z350 A1E, among three types of posts people more easily discriminated distinguished MACRO-LOCKTM POST ILLUSIONTM XRO¢ç post from core. People more easily distinguished MACRO-LOCKTM POST ILLUSIONTM XRO¢ç post from core when temperature was lowered by air-blowing.
Conclusion: Ability to discriminate between FRC-post and core is different according to color contrast. MACRO-LOCKTM POST ILLUSIONTM XRO¢ç posts are more discriminable when temperature is lowered by air-blowing.

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FRC-Æ÷½ºÆ®; ÄÚ¾î; »ö»óÂ÷ÀÌ; ±¸º°; Æ÷½ºÆ® Á¦°Å; ¿Âµµ¿¡ µû¸¥ »ö»óº¯È­
MACRO-LOCKTM POST ILLUSIONTM XRO¢ç post; thermo-sensitive pigment; color difference; fiber post removal

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