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Comparison of shear bond strength between various temporary prostheses resin blocks fabricated by subtractive and additive manufacturing methods bonded to self-curing reline resin

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·ùÈ¿¹Î ( Ryu Hyo-Min ) - 
ÀÌÁøÇÑ ( Lee Jin-Han ) - 

Abstract

¸ñÀû. Àý»è ¹× ÀûÃþ °¡°ø ¹æ½ÄÀ¸·Î Á¦ÀÛÇÑ Àӽà º¸Ã¶¹° ·¹Áø ºí·Ï°ú ÀçÀÌÀå¿ë ÀÚ°¡ÁßÇÕ ·¹ÁøÀÇ Àü´Ü°áÇÕ°­µµ¸¦ ºñ±³ Æò°¡ÇÏ°íÀÚ ÇÏ¿´´Ù.

Àç·á ¹× ¹æ¹ý. ·¹Áø ºí·Ï ½ÃÆíÀÇ Á¦ÀÛ ¹æ½Ä¿¡ µû¶ó 4°³ÀÇ ±ºÀ¸·Î ³ª´©¾ú°í subtractive manufacturing (SM), additive manufacturing stereolithography apparatus (AMS), additive manufacturing digital light processing (AMD), conventional self-curing (CON)ÀÇ ¹æ½ÄÀ¸·Î °¢ 20°³¾¿ ·¹Áø ½ÃÆíÀ» Á¦ÀÛÇÏ¿´´Ù. Á¦ÀÛ ¹æ½Ä¿¡ µû¸¥ ·¹Áø ºí·Ï ½ÃÆí°ú ÀçÀÌÀå¿ë ÀÚ°¡ÁßÇÕ ·¹ÁøÀÇ °áÇÕÀ» À§ÇØ ½ÃÆíÀÇ Ç¥¸é¿¡ ½Ç¸®ÄÜ ¸ôµå¸¦ ÀÌ¿ëÇÏ¿© µ¿ÀÏÇÑ À§Ä¡¿¡ ÀçÀÌÀå ·¹ÁøÀ» ÁÖÀÔÇÏ¿© ÁßÇÕÇÏ¿´´Ù. ¸¸´ÉÀç·á½ÃÇè±â¸¦ ÀÌ¿ëÇÏ¿© Àü´Ü°áÇÕ°­µµ¸¦ ÃøÁ¤ÇÏ¿´°í ÁÖ»çÀüÀÚÇö¹Ì°æÀ¸·Î Á¢Âø °è¸éÀÇ ÆÄÀý ¾ç»óÀ» È®ÀÎÇÏ¿´´Ù. ½ÇÇ豺 °£ ºñ±³¸¦ À§ÇØ ÀÏ¿ø¹èÄ¡ ºÐ»êºÐ¼®°ú »çÈÄ °ËÁ¤À¸·Î Tukey test¸¦ ½Ç½ÃÇÏ¿´´Ù(¥á = .05).

°á°ú. Àü´Ü°áÇÕ°­µµ´Â CON, SM, AMS, AMD±º ¼øÀ¸·Î ³ô¾Ò´Ù. CON±ºÀº AMS±º, AMD±º°ú À¯ÀÇÇÑ Â÷ÀÌ°¡ ÀÖ¾ú°í(P < .01) SM±º°ú À¯ÀÇÇÑ Â÷ÀÌ°¡ ¾ø¾ú´Ù(P > .05). SM±ºÀº AMD±º°ú À¯ÀÇÇÑ Â÷ÀÌ°¡ ÀÖ¾ú°í(P < .01) AMS±º°ú À¯ÀÇÇÑ Â÷ÀÌ°¡ ¾ø¾ú´Ù(P > .05). AMS±ºÀº AMD±º°ú À¯ÀÇÇÑ Â÷ÀÌ°¡ ÀÖ¾ú´Ù(P < .001). ÆÄÀý ¾ç»óÀº CON±º, AMS±º¿¡¼­ È¥ÇÕ ÆÄÀýÀÌ ³ôÀº ºóµµ·Î ³ªÅ¸³µÀ¸¸ç SM±º, AMD±º¿¡¼­ Á¢Âø ÆÄÀýÀÌ ³ôÀº ºóµµ·Î ³ªÅ¸³µ´Ù.

°á·Ð. Àý»è ¹× ÀûÃþ °¡°ø ¹æ½ÄÀ¸·Î Á¦ÀÛÇÑ Àӽà º¸Ã¶¹° ·¹Áø ºí·Ï°ú ÀçÀÌÀå¿ë ÀÚ°¡ÁßÇÕ ·¹Áø°úÀÇ Àü´Ü°áÇÕ°­µµ¿¡¼­ Àý»è °¡°ø ¹æ½Ä(SM±º)Àº CON±ºº¸´Ù ³·Àº °áÇÕ°­µµ¸¦ º¸¿´Áö¸¸ À¯ÀÇÇÑ Â÷À̸¦ º¸ÀÌÁö ¾Ê¾Ò´Ù. ÀûÃþ °¡°ø ¹æ½Ä(AMS±º, AMD±º)Àº CON±ºº¸´Ù À¯ÀÇÇÏ°Ô ³·Àº °áÇÕ°­µµ¸¦ º¸¿´À¸¸ç, AMD±ºÀÌ °¡Àå ³·Àº °áÇÕ°­µµ¸¦ º¸¿´°í AMD±ºÀº SM±º°úµµ À¯ÀÇÇÑ Â÷À̸¦ º¸¿´´Ù.

Purpose. This study aimed to compare and evaluate the shear bond strength between various temporary prostheses resin blocks fabricated by subtractive and additive manufacturing methods bonded to self-curing reline resin.

Materials and methods. The experimental groups were divided into 4 groups according to the manufacturing methods of the resin block specimens and each specimen was fabricated by subtractive manufacturing (SM), additive manufacturing stereolithography apparatus manufacturing (AMS), additive manufacturing digital light processing manufacturing (AMD) and conventional self-curing (CON). To bond the resin block specimens and self-curing resin, the reline resin was injected and polymerized into the same location of each resin block using a silicone mold. The shear bond strength was measured using a universal testing machine, and the surface of the adhesive interface was examined by scanning electron microscopy. To compare between groups, one-way ANOVA was done followed by Tukey post hoc test (¥á = 0.05).

Results. The shear bond strength showed higher values in the order of CON, SM, AMS, and AMD group. There were significant differences between CON and AMS groups, as well as between CON and AMD groups. but there were no significant differences between CON and SM groups (P > .05). There were significant differences between SM and AMD groups, but there were no significant differences between SM and AMS groups. The AMS group was significantly different from the AMD group (P < .001). The most frequent failure mode was mixed failures in CON and AMS groups, and adhesive failures in SM and AMD groups.

Conclusion. The shear bond strength of SM group showed lower but not significant bond strength compared to the CON group. The additive manufacturing method groups (AMS and AMD) showed significantly lower bond strength than the CON group, with the AMD group the lowest. There was also a significant difference between the AMD and SM group.

Å°¿öµå

ÄÄÇ»ÅÍ Áö¿ø ¼³°è(CAD); ÄÄÇ»ÅÍ Áö¿ø Á¦ÀÛ(CAM); Àü´Ü°áÇÕ°­µµ; Àӽà º¸Ã¶¹°
Computer-aided design (CAD); Computer-aided manufacturing (CAM); Shear bond strength; Temporary prosthesis

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