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AN EXPERIMENTAL STUDY OF EXTRACTION WOUND HEALING IN THE CALCIUM DEFICIENT RAT

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Abstract

ÀúÀÚµéÀº °ñ´Ù°øÁõÀÌ ¹ßġâ Ä¡À¯¿¡ ¹ÌÄ¡´Â ¿µÇâÀ» ±¸¸íÇÏ°íÀÚ, 10ÁÖ·ÉÀÇ Wistar°è ¿õ¼º
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Á¤»ó½ÄÀ̸¦ Åõ¿©ÇÑ Á¦1±ºÀ» ´ëÁ¶±ºÀ¸·Î, ¹ßÄ¡ Àü¿¡¸¸ 0.01%ÀÇ ÀúÄ®½·½ÄÀ̸¦ 3ÁÖ°£ Åõ¿©ÇÏ
°í, ÀÌ ÈÄ¿¡´Â Á¤»ó½ÄÀ̸¦ Åõ¿©ÇÑ Á¦2±º°ú ¹ßÄ¡ Àü¡¤ÈÄ ¸ðµÎ ÀúÄ®½·½ÄÀ̸¦ Åõ¿©ÇÑ Á¦3±ºÀ»
°¢°¢ ½ÇÇ豺À¸·Î Á¤ÇÏ¿´´Ù. À̵é 3±º ¸ðµÎ¿¡ ¹ßġâÀ» Çü¼ºÇÑ ÈÄ 3ÀÏ, 7ÀÏ, 14ÀÏ, 21ÀÏ, 42ÀÏ
¿¡ °¢°¢ ÇϾǰñÀ» ÀûÃâÇÏ¿© À̵éÀ» ¹Ì¼¼¹æ»ç¼±»çÁøÃÔ¿µ¹ýÀ¸·Î °ñ¼ÒÁÖÀÇ Çü¼º »óŸ¦,
45Ca¸¦ ÀÌ ¿ëÇÑ ÀÚ°¡¹æ»ç±â·Ï¹ýÀ¸·Î °ñ¿°ÀÇ ´ë»ç»óŸ¦ ºñ±³ ¡¤Æò°¡ÇÏ¿´À¸¸ç,
Á¶Á÷º´¸®ÇÐÀûÀ¸·Î ¹ßÄ¡¿ÍÀÇ º¯È­¾ç»óÀ» °üÂûÇÏ¿´´ø ¹Ù, ´ÙÀ½°ú °°Àº °á°ú¸¦ ¾ò¾ú´Ù.
1. Á¦1±ºÀÇ ¹ßÄ¡¿Í ºÎÀ§¿¡¼­´Â ½ÇÇè 3Àϱº°ú ½ÇÇè 7Àϱº¿¡¼­ 45Ca ½Å»ý°ñ°ú
ÀÇ °­ÇÑ ÁýÀû¼Ò°ßÀÌ ¹ßÄ¡¿ÍÀÇ ÁÖÀ§ Ä¡Á¶°ñ ºÎÀ§¿¡¼­ °üÂûµÇ¾ú´Ù. ½ÇÇè 14Àϱº°ú ½ÇÇè 21ÀÏ
±º¿¡¼­´Â °ñ¼ÒÁÖ Çü¼º¼Ò°ß°ú ÇÔ²² 45CaÀÇ °­ÇÑ ÁýÀû¼Ò°ßÀÌ ¹ßÄ¡¿Í ºÎÀ§¿Í Ä¡
Á¶Á¤ ºÎÀ§¿¡¼­ °üÂûµÇ¾úÀ¸¸ç, ½ÇÇè 42Àϱº¿¡¼­´Â º¸´Ù ¶Ñ·ÇÇÑ °ñ¼ÒÁÖ ¾ç»ó°ú
45CaÀÇ ¹Ì¾àÇÑ ÁýÀû¼Ò°ßÀÌ ¹ßÄ¡¿Í ºÎÀ§¿¡¼­ °üÂûµÇ¾ú´Ù.
2. Á¦2±ºÀÇ ¹ßÄ¡¿Í ºÎÀ§¿¡¼­´Â ½ÇÇè 3Àϱº°ú ½ÇÇè 7Àϱº¿¡¼­ ½Å»ý°ñÀÌ °üÂûµÇ¾úÀ¸³ª, ÁÖÀ§
Ä¡Á¶°ñÀÌ ºñ¹ÚµÇ¾î ÀÖ¾ú°í, 45Ca ÁýÀû¼Ò°ßÀÌ Á¦1±º¿¡ ºñÇÏ¸ç ±¤¹üÀ§ÇÏ¿´À¸¸ç,
½ÇÇè 14Àϱº¿¡¼­´Â Á¦1±º¿¡ ºñÇÏ¿© ´Ù¼Ò ¹Ì¾àÇÑ °ñ¼ÒÁÖ°¡ °üÂûµÇ¾ú´Ù. ½ÇÇè 21Àϱº°ú ½ÇÇè
42Àϱº¿¡¼­´Â ¹ßÄ¡¿Í ºÎÀ§¿¡ ¶Ñ·ÇÇÑ °ñ¼ÒÁÖ ¾ç»óÀÌ °üÂûµÇ¾úÀ¸¸ç, 45CaÀÇ °­
ÇÑ ÁýÀû¼Ò°ßÀÌ ¹ßÄ¡¿Í ºÎÀ§¿Í Ä¡Á¶Á¤ ºÎÀ§¿¡¼­ °üÂûµÇ¾ú´Ù.
3. Á¦3±ºÀÇ ¹ßÄ¡¿Í ºÎÀ§¿¡¼­´Â ½ÇÇè 3Àϱº°ú ½ÇÇè 7Àϱº¿¡¼­ ½Å»ý°ñÀÌ °üÂûµÇ¾úÀ¸³ª, ÁÖÀ§
Ä¡Á¶°ñÀÇ »óÅ ¹× 45CaÀÇ ÁýÀû¼Ò°ßÀÌ Á¦2±º°ú À¯»çÇÏ¿´´Ù ½ÇÇè 14Àϱº, ½ÇÇè
21Àϱº¿¡¼­´Â ¹ßÄ¡¿Í ºÎÀ§¿¡ Á¦1±º°ú Á¦2±º¿¡ ºñÇÏ¿© ¹Ì¾àÇÑ °ñ¼ÒÁÖ°¡ °üÂûµÇ¾úÀ¸¸ç, ½ÇÇè
42Àϱº¿¡¼­´Â Ä¡Á¶Á¤ ºÎÀ§¿¡¼­ 45CaÀÇ °­ÇÑ ÁýÀû¼Ò°ß°ú °ñ´Ù°ø¼Ò°ßÀÌ ¶Ñ·ÇÇÏ
¿´´Ù.
#ÃÊ·Ï#
The purpose of this study was to investigate effects of osteoporosis on extraction
wound healing in the calcium deficient rat.
In order lo Garry out this study, ten-week old Wistar strain rats weighing about 300
ems were selected. When the rats reached thirteen-week old, rats' mandibular first
molars were removed. The rats were then divided into three groups : Groups 1(rats
given a normal diet both before and after tooth extraction), Group 2(rats given a low
calcium diet for three weeks before tooth extraction and a normal diet after tooth
extraction), and Group 3(rats given a low calcium diet for three weeks before and after
tooth extraction). The healing of extraction wounds, as assessed by microradiography,
autoradiography, and histopathologic examination, were compared among these three
groups.
The obtained results were as follows '
1. In Group 1, newly formed bone and active uptake of 45Ca around
extraction wound were noted on the 3rd and the 7th day. On the 14th and the 21st day,
the extraction wounds of this group showed the bone trabecular with a less uptake in
the extraction wound and alveolar crest. The more prominent bone trabeculae with a
less untake of 45Ca wevr noted on the 42n6 day.
2. In Group 2, newly formed bone and thining of alveolar bone trabeculae with more
extensive uptake of 45Ca that In Group 1 were noted on the 3rd and the
7th day. On the 14th day, bone trabeculae were less thicker than that in Group1. The
prominent bone trabeculae in the extraction wounds and alveolar crest were noted on
the21st the 42nd days.
3. In Group 3, newly formed bone was noted oil the 3rd and the 7th day.
Alveolar45Ca were similar to that in Group 2. On the 14th and 21st day,
bone trabeculae were less thicker than that in Group 2 and Group 3. The osteoporotic
change with active uptake of 45Ca was markedly noted on the 42nd day.

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