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In Vitro Study on the Bond Strength Between 3D-Printed Resin and Resin Cement for Pediatric Crown Restoration

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±è¼Ò¿µ, ½ÅÀ¯¼®, ±èÀÍȯ, ¼ÛÁ¦¼±,
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±è¼Ò¿µ ( Kim So-Yung ) - Yonsei University Dental Hospital Department of Pediatric Dentistry
½ÅÀ¯¼® ( Shin Yoo-Seok ) - Yonsei University College of Dentistry Department of Conservative Dentistry
±èÀÍȯ ( Kim Ik-Hwan ) - Yonsei University Dental Hospital Department of Pediatric Dentistry
¼ÛÁ¦¼± ( Song Je-Seon ) - Yonsei University Dental Hospital Department of Pediatric Dentistry

Abstract

3D ÇÁ¸°ÅÍ·Î Ãâ·ÂµÈ ·¹Áø Å©¶ó¿îÀº À¯Ä¡ÀÇ ½É¹Ì ¼öº¹À» À§ÇÑ Å©¶ó¿îÀ¸·Î »ç¿ëµÉ ¼ö ÀÖÀ¸¸ç, Á¢Âø¿¡´Â ÁÖ·Î ·¹Áø ½Ã¸àÆ®°¡ »ç¿ëµÈ´Ù. º» ¿¬±¸ÀÇ ¸ñÀûÀº Å©¶ó¿î Á¦ÀÛ¿ë 3D ÇÁ¸°Æà ·¹ÁøÀÇ Á¢Âø ´É·ÂÀ» Æò°¡ÇÏ°í, À̸¦ ´Ù¸¥ ·¹Áø °£Á¢ ¼öº¹¿ë Àç·áµé°ú ºñ±³ÇÏ´Â °ÍÀ̾ú´Ù. 3D ÇÁ¸°Æà ·¹ÁøÀÎ Graphy (GP)¿Í NextDent (NXT), ·¹Áø °£Á¢ ¼öº¹¿ë Àç·áÀÎ MAZIC Duro (MZ)¿Í VIPI Block (VIPI)ÀÇ Àü´Ü°áÇÕ°­µµ°¡ º» ¿¬±¸¿¡¼­ ºñ±³µÇ¾ú´Ù. GP, NXT, MZ, VIPI±ºÀÇ Æò±Õ Àü´Ü°áÇÕ°­µµ´Â °¢°¢ 23.29 ¡¾ 3.88, 26.14 ¡¾ 4.67, 25.41 ¡¾ 4.03, 18.79 ¡¾ 4.26 MPa¿´´Ù. VIPI±ºÀ» Á¦¿ÜÇÑ GP, NXT, MZ±ºÀÇ Æò±Õ Àü´Ü°áÇÕ°­µµ °ª¿¡´Â À¯ÀǹÌÇÑ Â÷ÀÌ°¡ ¾ø¾ú´Ù. º» ¿¬±¸ °á°ú 3D ÇÁ¸°Æà ·¹ÁøÀº ·¹Áø ½Ã¸àÆ®¿Í ÀÓ»óÀûÀ¸·Î Çã¿ë °¡´ÉÇѼöÁØÀÇ Á¢Âø °­µµ¸¦ ³ªÅ¸³ÂÀ¸¸ç, ÀÌ¿¡ µû¶ó À¯Ä¡ ¼öº¹À» À§ÇÑ Å©¶ó¿î Àç·á·Î¼­ ÀûÇÕÇÑ Á¶°ÇÀ» °®Ãß°í ÀÖÀ½À» È®ÀÎÇÏ¿´´Ù.

A 3D-printed resin crown is a novel option for esthetic crown restoration for primary teeth, which are typically bonded with resin cement. The purpose of this study was to evaluate the bonding ability of a 3D printing resin and compare it with other indirect resin materials for crown fabrication. The shear bond strengths of two 3D printing resin materials, Graphy (GP) and NextDent (NXT), and two indirect resin materials, VIPI Block (VIPI) and MAZIC Duro (MZ), were compared in the study. For all materials, the shear bond strength at the interface between the surface of the resin material and resin cement was measured. The mean shear bond strength values of GP, NXT, MZ, and VIPI were 23.29 ¡¾ 3.88, 26.14 ¡¾ 4.67, 25.41 ¡¾ 4.03, and 18.79 ¡¾ 4.26 MPa, respectively. There was no significant difference among the SBSs of GP, NXT and MZ except for VIPI. The result of this study indicates that the 3D printing resin meets the essential requirement for clinical use by showing clinically adequate bond strength.

Å°¿öµå

3D printing resin; Bond strength; Pediatric crown; Resin cement; Indirect resin restoration

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