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ºñ±Û°ß¿¡¼­ DSP À¯µµ ÇÕ¼º ÆéŸÀ̵带 ÀÌ¿ëÇÑ Á÷Á¢ Ä¡¼ö º¹Á¶¼ú¿¡ ´ëÇÑ Á¶Á÷ÇÐÀû ¿¬±¸

Histological evaluation of direct pulp capping with DSP-derived synthetic peptide in beagle dog

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±èÀçÈÆ, È«Áعè, ÀÓ¹ü¼ø, Á¶º´ÈÆ,
¼Ò¼Ó »ó¼¼Á¤º¸
±èÀçÈÆ ( Kim Jea-Hoon ) - ¼­¿ï´ëÇб³ Ä¡°ú´ëÇÐ Ä¡°úº¸Á¸Çб³½Ç
È«Áعè ( Hong Jun-Bae ) - ¼­¿ï´ëÇб³ Ä¡ÀÇÇдëÇпø Ä¡°úº¸Á¸Çб³½Ç
ÀÓ¹ü¼ø ( Lim Bum-Soon ) - ¼­¿ï´ëÇб³ Ä¡ÀÇÇдëÇпø Ä¡°ú»ýüÀç·á°úÇб³½Ç
Á¶º´ÈÆ ( Cho Byung-Hoon ) - ¼­¿ï´ëÇб³ Ä¡ÀÇÇдëÇпø Ä¡°úº¸Á¸Çб³½Ç

Abstract

º» ¿¬±¸¿¡¼­´Â DSP (dentin sialoprotein)¿¡¼­ À¯·¡µÈ ÇÕ¼º ÆéŸÀ̵带 µ¿¹°½ÇÇè ¸ðµ¨¿¡ Àû¿ëÇÏ¿© Ä¡¼ö³ëÃâ ºÎÀ§¿¡¼­ »ó¾ÆÁú Àç»ýÀ» È®ÀÎÇÏ°í, ±âÁ¸ Ä¡ ¼öº¹Á¶Á¦¿ÍÀÇ ¼º´É ºñ±³¸¦ ÅëÇØ »õ·Î¿î Ä¡¼öº¹Á¶Á¦·Î¼­ÀÇ °¡´É¼ºÀ» È®ÀÎÇÏ°íÀÚ ÇÏ¿´´Ù. 6¸¶¸® ºñ±Û°ßÀÇ 73°³ÀÇ Ä¡¾Æ¸¦ ÀÌ¿ëÇÏ¿©, ½ÇÇèÀûÀ¸·Î Ä¡¼ö¸¦ ³ëÃâÇÏ°í Á÷Á¢ Ä¡¼ö º¹Á¶¼úÀ» ½ÃÇàÇÏ¿´´Ù. »ç¿ëÇÑ Ä¡¼öº¹Á¶Á¦´Â (1) Ca(OH)©ü(CH±º) (2) DSPÀ¯µµ ÇÕ¼º ÆéŸÀ̵å (PEP±º) (3) ÇÕ¼º ÆéŸÀ̵å¿Í Ca(OH)©üÈ¥ÇÕÁ¦ (PEP+CH±º) (4) White MTA (WMTA±º) ÀÌ´Ù. ³ëÃâµÈ Ä¡¼ö¿¡ Ä¡¼öº¹Á¶Á¦¸¦ Àû¿ëÇÑ ÈÄ ¿Íµ¿Àº °­È­Çü ±Û¶ó½º ¾ÆÀÌ¿À³ë¸Ó·Î ÃæÀüÇÏ¿´´Ù. ½Ã¼ú ÈÄ 2ÁÖ, 1 °³¿ù ¹× 3°³¿ù¿¡ °¢°¢ 2¸¶¸®¾¿ ºñ±Û°ßÀ» Èñ»ý½ÃÅ°°í Á¶Á÷½ÃÆíÀ» Á¦ÀÛÇÏ¿´´Ù. ½ÃÆíÀº H&E ¿°»ö ÈÄ ±¤ÇÐ Çö¹Ì°æÀ¸·Î Ä¡¼ö ¿°Áõ ¹ÝÀÀ°ú °æÁ¶Á÷ Çü¼º Á¤µµ¸¦ °üÂûÇÏ¿´´Ù. PEP±º¿¡¼­´Â 17°³ÀÇ ½ÃÆí Áß 3 °³ÀÇ ½ÃÆí¿¡¼­¸¸ °æÁ¶Á÷ Çü¼ºÀ» °üÂûÇÒ ¼ö ÀÖ¾úÀ¸¸ç, ´ëºÎºÐÀÇ ½ÃÆí¿¡¼­ ÀûÀýÇÑ Ä¡¼ö ȸº¹À» °üÂûÇÒ ¼ö ¾ø¾ú´Ù. PEP±ºÀº CH±º¿¡ ºñÇØ ½ÉÇÑ ¿°Áõ¹ÝÀÀÀ» º¸ÀÌ°í, °æÁ¶Á÷ Çü¼ºÀº ºÒ·®ÇÏ¿´´Ù. CH±º°ú WMTA±ºÀº ±â°èÀûÀ¸·Î ³ëÃâµÈ Ä¡¼ö¿¡¼­ÀÇ ¿°Áõ¹ÝÀÀ°ú °æÁ¶Á÷ Çü¼º¿¡ À־ À¯»çÇÑ °á°ú¸¦ º¸¿´´Ù.

The purpose of this study was to investigate the pulpal response to direct pulp capping with dentin sialoprotein (DSP) -derived synthetic peptide in teeth of dogs, and to compare its efficacy to capping substances Ca(OH)©üand white mineral trioxide aggregate (WMTA). A total of 72 teeth of 6 healthy male beagle dogs were used. The mechanically exposed pulps were capped with one of the following: (1) DSP-derived synthetic peptide (PEP group): (2) Ca(OH)©ü(CH group): (3) a mixture paste of peptide and Ca(OH)©ü(PEP+CH group): or (4) white MTA (WMTA group). The access cavity was restored with a reinforced glass ionomer cement. Two dogs were sacrificed at each pre-determined intervals (2 weeks, 1 month, and 3 months). After the specimens were prepared for standard histological processing, sections were stained with hematoxylin and eosin. Under a light microscope, inflammatory response and hard tissue formation were evaluated in a blind manner by 2 observers. In the PEP group, only 3 of 17 specimens showed hard tissue formation, indication that the DSP-derived synthetic peptide did not induce proper healing of the pulp. Compared with the CH group, the PEP group demonstrated an increased inflammatory response and poor hard tissue formation. The CH and WMTA groups showed similar results for direct pulp capping in mechanically exposed teeth of dogs.

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Ä¡¼öº¹Á¶;¼öº¹ »ó¾ÆÁú;Á¶Á÷ÇÐÀû Æò°¡;Ä®½·Çϵå·Ï»çÀ̵å;ºñ±Û°ß
Pulp capping;Dentin sialoprotein;Reparative dentin;Histological evaluation;Calcium hydroxide;Beagle dog

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