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Tricalcium Silicate-Based Ä¡¼öº¹Á¶Àç¿¡ ´ëÇÑ ¼ö Á¾ ¼öº¹ÀçÀÇ Àü´Ü°áÇÕ°­µµ ºñ±³

Comparison of Shear Bond Strength of Different Restorative Materials to Tricalcium Silicate-Based Pulp Capping Materials

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

Abstract

º» ¿¬±¸ÀÇ ¸ñÀûÀº Tricalcium silicate¸¦ ±â¹ÝÀ¸·Î ÇÑ 3Á¾ÀÇ Ä¡¼öº¹Á¶Àç(Theracal LC¢â, Biodentine¢â, ProRoot¢â white MTA)¿Í ÀÓ»ó¿¡¼­ Åë»óÀûÀ¸·Î »ç¿ëµÇ´Â ¼öº¹ÀçÀÎ º¹ÇÕ·¹Áø, ·¹Áø°­È­Çü ±Û·¡½º¾ÆÀÌ¿À³ë¸Ó ½Ã¸àÆ®, ±×¸®°í ÀüÅëÀûÀÎ ±Û·¡½º¾ÆÀÌ¿À³ë¸Ó ½Ã¸àÆ® °£ÀÇ Àü´Ü°áÇÕ°­µµ¸¦ ºñ±³ Æò°¡ÇÏ´Â °ÍÀÌ´Ù. À̸¦ À§ÇØ Á߽ɱ¸¸¦ °¡Áø ¾ÆÅ©¸± ·¹Áø ºí·Ï 90°³¸¦ Á¦ÀÛÇÏ°í °¢°¢ 30°³¾¿ 3Á¾ÀÇ Ä¡¼öº¹Á¶Àç·Î Á߽ɱ¸ ¾È¿¡ ä¿î ´ÙÀ½, ´Ù½Ã ¹«ÀÛÀ§·Î 10°³¾¿ ÇÏÀ§ ±ºÀ» ³ª´©¾î Ä¡¼öº¹Á¶Àç »ó¹æ¿¡ º¹ÇÕ·¹Áø, ·¹Áø°­È­Çü ±Û·¡½º¾ÆÀÌ¿À³ë¸Ó ½Ã¸àÆ®, ÀüÅëÀûÀÎ ±Û·¡½º¾ÆÀÌ¿À³ë¸Ó ½Ã¸àÆ®¸¦ Àû¿ëÇÏ¿© ÃÑ 9°³ ±ºÀ¸·Î ÀÌ·ç¾îÁø ½ÃÆíÀ» Á¦ÀÛÇÏ¿´´Ù. Universal testing machineÀ» ÀÌ¿ëÇØ Àü´Ü°áÇÕ°­µµ¸¦ ÃøÁ¤ÇÑ µÚ, ÀÔüÇö¹Ì°æÀ» »ç¿ëÇØ ÆÄÀý¾ç»óÀ» ºÐ¼®ÇÏ¿´´Ù. ¿¬±¸ °á°ú, Theracal LC¢â-º¹ÇÕ·¹Áø ±ºÀÌ °¡Àå ³ôÀº Àü´Ü°áÇÕ°­µµ¸¦, Theracal LC¢â-ÀüÅëÀûÀÎ ±Û·¡½º¾ÆÀÌ¿À³ë¸Ó ½Ã¸àÆ® ±ºÀÌ °¡Àå ³·Àº Àü´Ü°áÇÕ°­µµ¸¦ ³ªÅ¸³Â´Ù. º¹ÇÕ·¹ÁøÀÌ ¼öº¹Àç·Î ¼±ÅÃµÈ ±ºµéÀÌ ´Ù¸¥ ¼öº¹Àç ±º¿¡ ºñÇØ ³ôÀº Àü´Ü°áÇÕ°­µµ¸¦ º¸¿´´Ù. ÀüÅëÀûÀÎ ±Û·¡½º¾ÆÀÌ¿À³ë¸Ó ½Ã¸àÆ®°¡ ¼öº¹ÀçÀÎ °æ¿ì Biodentine¢âÀÌ ´Ù¸¥ Ä¡¼öº¹Á¶Àç ±ºµé¿¡ ºñÇØ ³ôÀº Àü´Ü°áÇÕ°­µµ¸¦ ³ªÅ¸³Â´Ù.

The aim of this study was to evaluate the shear bond strength (SBS) of three typical restorative materials - glass ionomer cement (GIC), resin-modified glass ionomer (RMGIC) and composite resin (CR) - to different pulp capping materials, i.e., Theracal LC¢â (TLC), Biodentine¢â (BD), and ProRoot¢â white MTA (WMTA). 90 acrylic blocks with a center hole were prepared. The holes were completely filled with three pulp capping materials (TLC, BD, and WMTA), with 30 specimens per capping material. The samples were then randomly divided into 3 subgroups of 10 specimens each and were overlaid with GIC, RMGIC, or CR. A total 9 specimen groups were prepared. The SBS was assessed using a universal testing machine. Kruskal-Wallis test and Mann-Whitney¡¯s test were performed to compare the SBS among the subgroups (p < 0.05). After the SBS test, the fractured surfaces were examined under a stereomicroscope at a magnification of 25¡¿. The highest and lowest SBS values were recorded for TLC-CR and TLC-GIC, respectively. With regard to the SBS to the three pulp capping materials, CR was found to be superior to RMGIC and GIC. BD showed a higher SBS compared to TLC and WMTA when used with GIC.

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Ä¡¼öº¹Á¶Àç; Biodentine¢â; Theracal LC¢â; Mineral trioxide aggregate; Àü´Ü°áÇÕ°­µµ; ÆÄÀý¾ç»ó
Pulp capping materials ;Biodentine¢â ;Theracal LC¢â ;Mineral trioxide aggregate ;Shear bond strength ;Failure modes

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