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Shear bond strength of dentin bonding agents cured with a plasma arc curing light

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±è¼±¿µ ( Kim Sun-Young ) - ¼­¿ï´ëÇб³ Ä¡ÀÇÇдëÇпø Ä¡°úº¸Á¸Çб³½Ç
Á¤¼¼ÁØ ( Chung Sae-Joon ) - ¼­¿ï´ëÇб³ Ä¡ÀÇÇдëÇпø º¸Á¸Çб³½Ç
ÇÑ¿µÃ¶ ( Han Young-Chul ) - ¼­¿ï´ëÇб³ Ä¡ÀÇÇдëÇпø Ä¡ÀÇÇבּ¸¼Ò
ÀÌÀκ¹ ( Lee In-Bog ) - ¼­¿ï´ëÇб³ Ä¡ÀÇÇдëÇпø Ä¡°úº¸Á¸Çб³½Ç
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Á¶º´ÈÆ ( Cho Byung-Hoon ) - ¼­¿ï´ëÇб³ Ä¡ÀÇÇдëÇпø Ä¡°úº¸Á¸Çб³½Ç

Abstract

±¤¹°¸®ÇÐÀû Ư¼º ºÐ¼®À» À§ÇØ Apollo 95E (DMT Systems, Orange, CA; PAC ±¤ÁßÇÕ±â), Elipar Freelight 2 (3M ESPE, MN, USA; LED ±¤ÁßÇÕ±â) ±×¸®°í VIP Junior (Bisco, Schaumberg, IL, USA; QTH ±¤ÁßÇÕ±â), 3Á¾ÀÇ ±¤ÁßÇÕ±âÀÇ Ãѱ¤°­µµ(Total intensity)¿Í spectral distributionÀ» ÃøÁ¤ÇÏ¿´°í ƯÁ¤ ÆÄÀå¿¡ ÇØ´çµÇ´Â ±¤°­µµ (Energy density)¸¦ ºÐ¼®ÇÏ¿´´Ù. »ó¾ÆÁú Àü´ÜÁ¢Âø°­µµÀÇ ÃøÁ¤À» À§ÇØ Scotchbond Multipurpose (3M ESPE), Single bond (3M ESPE) ±×¸®°í Clearfil SE bond (Kuraray)°¡ »ç¿ëµÇ¾ú´Ù. Plasma Arc Curing light (Apollo 95E) ±¤ÁßÇÕ±â´Â ¿©·¯°³ÀÇ ÃÖ´ëÁ¤Á¡À» °¡Áö¸ç ³ÐÀº spectral distribution°ú ÀÇ ³ôÀº ±¤°­µµ¸¦ ³ªÅ¸³»¾ú°í, VIP Junior ±¤ÁßÇÕ±â´Â 490nm¿¡¼­ ÃÖ´ëÁ¤Á¡À» °®´Â ³ÐÀº spectral distributionÀ» ³ªÅ¸³»¾ú°í, Elipar Freeelight 2 ±¤ÁßÇÕ±â´Â 462 nmÀÇ ÃÖ´ëÁ¤Á¡ ÁÖÀ§·Î Á¼Àº spectral distributionÀ» º¸¿´´Ù. Two-Way ANOVA¿Í Bonferroni¡¯s multiple comparison test¸¦ ÀÌ¿ëÇÏ¿© »ó¾ÆÁú Àü´ÜÁ¢Âø°­µµ¸¦ ºÐ¼®ÇÑ °á°ú, PAC ±¤ÁßÇÕ±â¿Í LED ±¤ÁßÇձ⠰£¿¡ À¯ÀǼº ÀÖ´Â Â÷À̸¦ º¸ÀÌÁö ¾Ê¾ÒÀ¸¸ç (P > 0.05), »ó¾ÆÁú Á¢ÂøÁ¦¿Í ±¤ÁßÇÕ±âÀÇ ±³È£°ü°è¿¡µµ À¯ÀǼºÀÌ ¾ø¾ú´Ù. ±×·¯³ª »ó¾ÆÁú Á¢ÂøÁ¦´Â »óÈ£°£¿¡ À¯ÀǼº ÀÖ´Â Â÷À̸¦ º¸¿´´Ù (P < 0.001).

The objective of this study was to compare dentin shear bond strength (DSBS) of dentin bonding agents (DBAs) cured with a plasma arc (PAC) light curing unit (LCU) and those cured with a light emitting diode (LED) LCU. Optical properties were also analyzed for Elipar freelight 2 (3M ESPE); LED LCU, Apollo 95E (DMT Systems); PAC LCU and VIP Junior (Bisco); Halogen LCU. The DBAs used for DSBS test were Scotchbond Multipurpose (3M ESPE), Singlebond 2 (3M ESPE) and Clearfil SE Bond (Kuraray). After DSBS testing, fractured specimens were analyzed for failure modes with SEM. The total irradiance and irradiance between 450 nm and 490 nm of the LCUs were different. LED LCU showed narrow spectral distribution around its peak at 462 nm whereas PAC and Halogen LCU showed a broad spectrum. There were no significant differences in mean shear bond strength among different LCUs (P > 0.05) but were significant differences among different DBAs (P < 0.001)

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PAC ±¤ÁßÇÕ±â;LED ±¤ÁßÇÕ±â;»ó¾ÆÁú Á¢ÂøÁ¦;»ó¾ÆÁú Àü´ÜÁ¢Âø°­µµ
PAC;LED;Dentin bonding agent;Spectral irradiance;Energy density;Dentin shear bond strength

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