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EVIDENCE OF SUSTAINED RELEASE OF CHLORHEXIDINE ADDED TO ACRYLIC RESIN : PRELIMINARY INVESTIGATION OF A POTENTIAL DRUG DELIVERY SYSTEM

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ÀÌÁø¿ë (  ) - °æÈñ´ëÇб³ Ä¡°ú´ëÇÐ ¹Ì»ý¹°Çб³½Ç
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Abstract

°á·Ð
±¸°­ ³»¿¡¼­ Ŭ·Î¸£Çí½ÃµòÀ» Áö¼ÓÀûÀ¸·Î ¹æÃâ½Ãų ¼ö ÀÖ´Â »õ·Î¿î ¹æ¹ýÀÇ ¾à¹°¼Û´Þ½Ã½ºÅÛ
(drug delivery system)À» °³¹ßÇϱâ À§ÇÑ ¸ñÀûÀ¸·Î, ÀÓ»óÀûÀ¸·Î ÈçÈ÷ »ç¿ëµÇ´Â ÀÚ°¡ÁßÇÕÇü
¾ÆÅ©¸±¸¯ ·¹Áø¿¡ Ŭ·Î¸£Á¶ÀÎ(ChlorzoinR)À» È¥ÇÕÇÏ¿© ÁßÇÕ½ÃÅ°°í °æÈ­µÈ ·¹Áø
½ÃÆíÀ¸·ÎºÎÅÍ ¹æÃâµÈ Ŭ·Î¸£Çí½ÃµòÀ» ultraviolet spectrophotometer·Î 14ÀÏ°£ ÃøÁ¤ÇÏ¿© ´ÙÀ½
°ú °°Àº °á·ÐÀ» ¾ò¾ú´Ù.
1. ¾ÆÅ©¸±¸¯ ·¹ÁøÀÇ ÁßÇÕ ½Ã¿¡ Ç÷θ£Á¶ÀÎÀ» È¥ÇÕÇÏ¿© ÁßÇÕ½ÃÅ°¸é °æÈ­µÈ ·¹Áø½ÃÆíÀ¸·ÎºÎ
ÅÍ Å¬·Î¸£Çí½ÃµòÀÌ ¹æÃâµÇ¾ú´Ù.
2. Ŭ·Î¸£Á¶ÀÎÀÌ °¡Àå ¸¹ÀÌ È¥ÇÕµÈ Á¦ 5±ºÀÇ Á¦ 1ÀÏ ¹æÃâ·®ÀÌ 32.654¡¾5.441ng/m1, ÃѹæÃâ
·®Àº 552.02¡¾8.175ng/§¢·Î °¡Àå ¸¹¾Ò´Ù(p<0.0001).
3. Ŭ·Î¸£Çí½ÃµòÀÇ ¹æÃâ·®Àº ¸ðµç ±º¿¡¼­ Á¦ 1ÀÏ¿¡ °¡Àå ¸¹¾Ò°í ½Ã°£ÀÇ °æ°ú¿¡ µû¶ó °¨¼Ò
ÇÏ¿´À¸¸ç(p<0.0001), Áö¼ÓÀûÀ¸·Î ¼Ò·®ÀÇ Å¬·Î¸£Çí½ÃµòÀÌ ¹æÃâµÇ´Â ¼­¹æÇüÁ¦Á¦
(sustained-release preparation)ÀÇ ¾ç»óÀ» º¸¿´´Ù.
À̻󿡼­, ¾ÆÅ©¸±¸¯ ·¹Áø¿¡ Ŭ·Î¸£Á¶ÀÎÀ» È¥ÇÕÇÏ¿© ÁßÇÕ½ÃÅ°¸é °æÈ­µÈ ·¹ÁøÀ¸·ÎºÎÅÍ Å¬·Î
¸£Çí½ÃµòÀÌ ¹æÃâµÉ ¼ö ÀÖ´Ù´Â »ç½Ç°ú ÇÔ²² Á¦ 1ÀÏ¿¡ ´Ù·® ¹æÃâµÈ ÈÄ Áö¼ÓÀûÀ¸·Î ¼Ò·® ¹æÃâ
µÇ´Â ¼­¹æÇü Á¦Á¦ÀÇ ¾ç»óÀ» ³ªÅ¸³»´Â °ÍÀ» ¾Ë ¼ö ÀÖ¾ú°í, È¥ÇÕµÈ Å¬·Î¸£Á¶ÀÎÀÇ ¾çÀÌ ¸¹À»¼ö
·Ï(0.54§¢) Á¦ 1ÀÏ ¹æÃâ·®(32.654¡¾5.441ng/m1), ÀϺ° ¹æÃâ·® ¹× ÃѹæÃâ·®(552.02¡¾
8.175ng/m1)ÀÌ ¸¹¾Ò´ø °ÍÀ¸·Î ¹Ì·ç¾î ¾ÆÅ©¸±¸¯ ·¹ÁøÀÇ ¹°¸®Àû ¼ºÁúÀ» Å©°Ô ¼Õ»ó½ÃÅ°Áö ¾Ê
´Â ¹üÀ§ ³»¿¡¼­ Ŭ·Î¸£Çí½ÃµòÀ» ÃÖ´ëÇÑ È¥ÇÕ½ÃÅ°¸é ¹æÃâ·®µµ ÃÖ´ëÇÑÀ¸·Î ¸¹¾ÆÁø´Ù´Â °ÍÀ»
¾Ë ¼ö ÀÖ¾ú´Ù.
#ÃÊ·Ï#
For more than two decades, many investigators have tried a variety of methods for
delivering antimicrobial agents to the oral cavity with the objective of eliminating
mutans streptococci. In the belief that the effectiveness of chemotherapy might be
improved by a more effective delivery system, the intention of the present study was to
exploit a new drug delivery system delivering chlorhexidine to the oral cavity. The
vehicle delivering chlorhexidine tested in this study was self-curing acrylic
resin(polymethyl methacrylate).
The powder of the acrylic resin was polymerized with the 5 different liquid
preparations, in which ChlorzoinR was mixed with five different
monomer/Chlorzoin ratios immediately prior to the polymerization, in a stainless steel
mold (40mmx40mmx2mm). A total of 50 cured resin specimens were divided into 5
groups according to the different monomer preparations. Every specimen was soaked in
an airtight container filled with distilled water(100 ml ) and then kept in an incubator at
37¡É. The solutions(0.8 ml) were collected from the container at every 24 hours, and the
amount of released chlorhexidine in the solutions was measured in an ultraviolet
spectrophotometer at 250mm. The container was refilled with distilled water every after
measurement. This procedure was repeated for 14 days. It was found that chlorhexidine
was continuously released from all of the 50 specimens during the experimental period.
And it was noted that the pattern of chlorhexidine release was a type of sustained
-release preparation, that is, the amount of the released chlorhexidine at the first day in
all 5 groups was high (p(0.0001), and then the release was decreased during the rest of
the experimental period (p(0.0001).

Å°¿öµå

Sustained-release; Chlorhexidine; Acrylic resin; Antimicrobial agent;

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