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THE PREVENTIVE EFFECT OF CHLORHEXIDINE VARNISH ON ENAMEL DEMINERALIZATION

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Abstract

°á·Ð
±³Á¤Ä¡·á¸¦ ¸ñÀûÀ¸·Î ¹ß°Å°¡ ¿ä±¸µÇ´Â 57°³ ¼Ò±¸Ä¡¸¦ ´ëÁ¶±º(N=10), ½ÇÇè 1±º(N=9) ½ÇÇè
2±º(N=19) ¹× ½ÇÇè 3±º(N=19)À¸·Î ³ª´©¾î.´ëÁ¶±ÙÀº Á¤»óÀûÀÎ ¼Ò±¸Ä¡·Î Ŭ·Î¸£Á¶ÀÎÀÇ Àû¿ëÀÌ
³ª ¹êµùÀ» ½ÃÇàÇÏÁö ¾Ê¾Ò°í. ½ÇÇè 1±ºÀº Ŭ·Î¸£Á¶ÀÎÀÇ Àû¿ëÀÌ ¾øÀÌ, ½ÇÇè 2±ºÀº Ŭ·Î¸£Á¶ÀÎ
À» 1ȸ Àû¿ë, ±×¸®°í ½ÇÇè 3±ºÀº Ŭ·Î¸£Á¶ÀÎÀ» ÀÏÁÖÀÏ °£°ÝÀ¸·Î 3ȸ Àû¿ëÇÑ ÈÄ Æ¯º°È÷ °í¾È
µÈ Ä¡ÅÂÃàÀû¿ë ¹êµå¸¦ ¸ðµç ½ÇÇ豺ÀÇ ¼Ò±¸Ä¡¿¡ 4ÁÖµ¿¾È ÀåÂø½ÃÅ°°í ŻȸÀÇ Á¤µµ¸¦ ÁÖ»çÀüÀÚ
Çö¹Ì°æ °üÂû°ú ¹Ì¼¼°æµµ(Vickss Hardness Number)¸¦ ÃøÁ¤ÇÏ¿© ´ÙÀ½°ú °°Àº °á·ÐÀ» ¾òÀ»
¼ö ÀÖ¾ú´Ù.
1. ÁÖ»çÀüÀÚÇö¹Ì°æ °üÂû¿¡¼­, ´ëÁ¶±º¿¡ ºñÇÏ¿© ½ÇÇè 1±º, 2±º ¹× 3±º ¸ðµÎ¿¡¼­ ¹ý¶ûÁú Å»
ȸÀÇ ¼Ò°ßÀ» °üÂûÇÒ ¼ö ÀÖ¾úÀ¸³ª, ½ÇÇè 2±º°ú 3±º¿¡¼­´Â Żȸ¼Ò°ßÀÌ ¹Ì¾àÇÏ°Ô °üÂûµÈ ¹Ý¸é,
½ÇÇè 1±ºÀÇ Å»È¸´Â ½ÉÇÏ¿´´Ù.
2. ´ëÁ¶±ºÀÇ Æò±Õ ¹Ì¼¼°æµµ´Â 333.9¡¾23.3kg/mm2 ¿´À¸³ª, ½ÇÇè 1±ºÀº 246.3
¡¾48.6§¸/cm2, ½ÇÇè 2±ºÀº 308.4¡¾72.0kg/mm2, ½ÇÇè 3±ºÀº 329.1
¡¾66.7kg/mm2·Î ³ªÅ¸³ª ´ëÁ¶±º°ú ½ÇÇè1±º°£¿¡´Â À¯ÀÇÇÑ Â÷ÀÌ°¡ ÀÖ¾úÀ¸³ª
(P<0.05), ´ëÁ¶±º°ú ½ÇÇè 2±º ¹× 3±º »çÀÌ¿¡´Â À¯ÀÇÇÑ Â÷ÀÌ°¡ ¾ø¾ú´Ù(P>0.05). ¶ÇÇÑ ½ÇÇè 1
±º°ú ½ÇÇè 2±º ¹× 3±º »çÀÌ¿¡´Â À¯ÀÇÇÑ Â÷ÀÌ°¡ ÀÖ¾úÀ¸³ª(P<0.05), ½ÇÇè 2±º°ú ½ÇÇè 3±º »ç
ÀÌ¿¡´Â À¯ÀÇÇÑ Â÷ÀÌ°¡ ¾ø¾ú´Ù(P>0.05).
3. ½ÇÇè 2±º ¹× 3±ºÀÇ »óÇÏ¾Ç ¼Ò±¸Ä¡°£ÀÇ ¹Ì¼¼°æµµ´Â À¯ÀÇ ÇÑ Â÷ÀÌ°¡ ¾ø¾ú´Ù(P>0.05).
#ÃÊ·Ï#
The intention of this study was to investigate the preventive effect of chlorhexidine
varnish on enamel demineralization. The sample consisted of 57 first premolars
scheduled to be extracted for orthodontic purposes. The control group (N=10) was left
untreated and the experimental groups were worn with specially designed stainless steel
orthodontic bands on premolar for plaque accumulation. The group 1 (N=9) was worn
band only, the group 2 (N=19) was applied with chlorhexidine varnish for one time, and
the group 3 (N=19) was applied with chlorhexidine varnish for 3 times once a week.
After 4 weeks of experimental periods, every specimen were examined by SEM and
lickers hardness test to evaluate and compare the degree of enamel decalcification.
The results were as follows :
1. Although SEM revealed various degree of enamel demineralization in every
experimental groups, the group 1 showed more severe demineralizations than the group
2 and 3.
2. The mean Vickers Hardness Numbers measured in this study seemed to reveal that
there was a statistically significant difference between the control group and the group 1
(P<0.05), and also a significant difference between the group 1 and the group 2, 3
(P<0.05). And there was no significant difference between the group 2 and the group
3(P>0.05).
3. The results of VHN did not deemed to show a statistically significant difference
between maxillary premolar and mandibular premolar in both group 2 and group 3
(P>0.05).

Å°¿öµå

Enamel Demineralization; Chlorhexidine Varnish; Vickers Hardness Number;

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KCI