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Histologic Study on Healing after Implantation of several Bone Substitutes in Rat Calvarial Defects

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Abstract

°á ·Ð
º» ½ÇÇè¿¡¼­´Â ¹é¼­ÀÇ µÎ°³°ñ¿¡ ÀÎÀ§ÀûÀ¸·Î Çü¼ºÇÑ 4°³ÀÇ °ñ°á¼ÕºÎ¿¡ ºñÈí¼ö¼º À¯°ø¼º
HA, Èí¼ö¼º ¿ì°ñÀ¯µµ HA, ź»êÄ®½·°è À̽ÄÀ縦 À̽ÄÇÑ ¼¼ ½ÇÇ豺°ú À̽ÄÀ縦 Æ÷ÇÔÇÏÁö ¾Ê
Àº ´ëÁ¶±º¿¡¼­ ÀÌ½Ä 3ÀÏ, 1, 2, 4ÁÖ ÈÄ µ¿¹°À» Èñ»ý½ÃÄ×´Ù. Ç¥º»Ã³¸®°úÁ¤À» °ÅÄ£´ÙÀ½ ±¤ÇÐÇö
¹Ì°æÇÏ¿¡¼­ ÀÔÀÚÀÇ Èí¼ö, ÀÔÀÚ³»ºÎ ¹× »çÀÌÀÇ °ñÇü¼º, ÁÖÀ§°áÇÕÁ¶Á÷ÀÇ ¹ÝÀÀµîÀ» °üÂûÇÏ¿© ´Ù
À½°ú °°Àº °á°ú¸¦ ¾ò¾ú´Ù.
1. ´ëÁ¶±ºÀº °ñÇü¼ºÀÌ °á¼ÕºÎ ÁÖº¯ºÎ¿¡ Á¦ÇÑÀûÀÌ¿´°í ³×°³ÀÇ ±º°¡¿îµ¥ °¡Àå ÀûÀº¾çÀÇ ½Å
»ý°ñÇü¼ºÀ» º¸¿´Áö¸¸ °¡Àå ¼º¼÷ÇÑ ÇüŸ¦ º¸¿´´Ù. À̽Ä2ÁÖ¿¡ ¹Ì¾àÇÏÁö¸¸ ÀϺο¡¼­´Â ÀÏÂ÷°ñ
¿øÀÇ Çü¼ºÀÌ ½ÃÀ۵Ǿú°í 4ÁÖ¿¡´Â ¼º¼÷°ñ°ú ¹Ì¼º¼÷°ñÀÇ È¥ÇÕµÈ ¾ç»óÀÌ °üÂûµÇ¾ú´Ù. ÀϺο¡¼­
´Â ÆÇ»ó±¸Á¶°¡ °üÂûµÇ¾úÀ¸¸ç ¼º¼÷°ñ°ú ¹Ì¼º¼÷°ñ »çÀÌ¿¡´Â ¼ºÀå¼±°ú ÀÌÇ༺ °ñÇüÅ°¡ °üÂûµÇ
¾ú´Ù.
2. ºñÈí¼ö¼º À¯°ø¼º HA±º¿¡¼­´Â 4ÁÖ¿¡µµ Á߽ɺÎÀÔÀÚ°¡ ¿©ÀüÈ÷ ¹æÃß»ó¸ð¾çÀÇ ¼¼Æ÷°¡ dzºÎ
ÇÑ °áÇÕÁ¶Á÷¿¡ ÀÇÇØ µÑ·¯½Î¿© ÀÖ¾ú´Ù. ÀÔÀÚ ÁÖÀ§·Î ´ÙÇÙ°Å´ë¼¼Æ÷¿Í Á¶°ñ¼¼Æ÷´Â °üÂûµÇÁö ¾Ê
¾ÒÀ¸¸ç ½Å»ý°ñÀÇ Çü¼ºÀÌ Á¦ÇÑÀûÀÌ¿´Áö¸¸ ÀÏÂ÷°ñ¿øÀÇ ÇüŸ¦ °®Ãá ºñ±³Àû ¼º¼÷ÇÑ °ñÀÌ °á¼Õ
ºÎ ÁÖº¯¿¡¼­ °üÂûµÇ¾ú´Ù.
3. Èí¼ö¼º ¿ì°ñÀ¯µµ HA±º¿¡¼­´Â 1ÁÖÈÄ ÀÔÀÚÁÖÀ§·Î ¾à°£ÀÇ ´ÙÇÙ°Å´ë¼¼Æ÷°¡ °üÂûµÇ¾úÀ¸¸ç
2ÁÖ¿¡´Â ½Å»ý°ñÀÌ ÁÖº¯ºÎÀÔÀÚ »çÀÌ·Î ¼ºÀåÇÏ¿´°í 4ÁÖ¿¡ °á¼ÕºÎ ÁÖº¯ÀÇ ÀÔÀÚ°¡ ½Å»ý°ñ¿¡ ÀÇ
ÇØ ¿ÏÀüÈ÷ µÑ·¯½Î¿´°í Á߽ɺÎÀÔÀÚ »çÀÌ¿¡ °ñ¾çÁ¶Á÷ÀÌ °üÂûµÇ¾ú´Ù.
4. ź»êÄ®½· À̽ıºÀº ´Ù¸¥ ½ÇÇ豺°ú ´ëÁ¶±º¿¡ ºñÇÏ¿© °¡Àå ¸¹Àº ½Å»ý°ñÀÌ Çü¼ºµÇ¾ú´Ù. ½Ã
°£¿¡ µû¸¥ °¢ ¼Ò°ß¿¡¼­ °¡Àå ¼¼Æ÷¼ºÀÌ ³ô¾ÒÀ¸¸ç 1ÁÖÈÄ ÀÔÀÚÁÖÀ§¿¡¼­ ´ÙÇÙ°Å´ë¼¼Æ÷°¡ °üÂûµÇ
¾úÀ¸¸ç 2ÁÖ¿¡´Â ÀÔÀÚÁÖº¯¿¡¼­ ´ÙÇÙ°Å´ë¼¼Æ÷¿Í ÇÔ²² Á¶°ñ¼¼Æ÷°¡ °üÂûµÇ¾ú´Ù. ½ÇÇè4ÁÖ¿¡´Â ÀÔ
ÀÚÀÇ ÀϺΰ¡ ½Å»ý°ñ¿¡ ÀÇÇØ ´ëÄ¡µÇ¾úÀ¸¸ç ÀÔÀÚÁÖÀ§·Î Á¶°ñ¼¼Æ÷°¡ ÀÌÀåµÇ¾î ÀÖ¾ú´Ù.
ÀÌ»óÀÇ °á°ú¿¡¼­ °ñ´ëüÀç°¡ ÀÌ½ÄµÈ ½ÇÇ豺Àº ´ëÁ¶±º¿¡ ºñÇØ ½Å»ý°ñ Çü¼º¾çÀÌ Áõ°¡µÇ¾úÀ¸
¸ç Èí¼ö¼º ¿ì°ñÀ¯µµ HA´Â °ñÀüµµ¼ºÀÌ °üÂûµÇ¾úÀ¸¸ç ƯÈ÷ ź»êÄ®½·À̽ĺο¡¼­ °¡Àå ¸¹Àº
¾çÀÇ ½Å»ý°ñÀÌ Çü¼ºµÇ¾ú°í ÀÔÀÚ°¡ Èí¼öµÇ¸é¼­ ½Å»ý°ñ·Î ´ëÄ¡µÇ¾úÀ¸¹Ç·Î µÎ À̽ÄÀç ¸ðµÎ Ä¡
ÁÖÁúȯ¿¡ ÀÇÇÑ °ñ°á¼ÕºÎ¿¡¼­µµ À¯¿ëÇÒ °ÍÀ¸·Î »ç·áµÈ´Ù.

The purpose of this stuffy was to assess and compare the osseous responses to
implanted particles of porous synthetic HA(Interpore 200, Interpore International, U.S.A.),
resorbable natural bovine derived HA (Bio-oss, Gestlich Pharma, Switzerland) and
calcium carbonate( Biocoral 450, Inoteb, France) in bone defects.
Four calvarial defects of 2.5§® diameter were created in earth of 16 Sprague-Dawley
rats. The experimental materials were subsequently implanted hi three defects, leaving
the fourth defect for control purpose. Four animals were earth sacrificed at 3 days,
1week, 2weeks and 4 weeks after surgery. The tissue response was evaluated under
light microscope.
Overall, histologic responses showed that all the particles were well tolerated and
caused no aberrent tissue responses. There were difference in the amount of newly
formed bone at the experimental sites and control site.
There was more new bone formation associated with calcium carbonate site. In
addition, the calcium carbonate site displayed multinucleated giant cells surrounding
calcium carbonate particles after the 1st week, and osteoid tissue within the particle
after the 2nd week. After 4 weeks, calcium carbonate particles were resorbed and
replaced with new bone. The healing of the natural bovine derived HA site was similar
to that of porous synthetic HA, except that new bone growth between the two particles
have progressed more in the former site after the 2nd week. In the natural bovine
derived HA site, the particle was surrounded by newly formed bone after the 4th week.
After 4 weeks, the control site showed more mature bone than other sites.
In conclusion, the grafted site were better in new bone formation than non-grafted
sites. In particular the calcium Carbonate site showed the ability of osteoinduction and
natural bovine denver HA showed osteoconduction in rat calvarial defects. This suggest
that calcium carbonate and natural bovine derived HA could enhance the regenerative
potential in periodontal defects.

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