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Effect of fluoride releasing orthodontic sealants on enamel demineralization in vitro

Korean Journal of Orthodontics 1999³â 29±Ç 5È£ p.589 ~ 598
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±è±¤¿ø (  ) - Á¶¼±´ëÇб³ Ä¡°ú´ëÇÐ ±³Á¤Çб³½Ç
À±¿µÁÖ (  ) - Á¶¼±´ëÇб³ ´ëÇпø Ä¡ÀÇÇаú

Abstract

º» ¿¬±¸´Â ºÒ¼Ò°¡ À¯¸®µÇ´Â ±³Á¤¿ë Àü»öÁ¦ÀÇ ¹ý¶ûÁú Żȸ¿¡ ´ëÇÑ È¿°ú¸¦ ¹Ì¼¼°æµµ¹ýÀ» Åë
ÇØ ½ÇÇèÀûÀ¸·Î ±Ô¸íÇϱâ À§ÇØ 112°³ÀÇ Ä¡¾Æ¸¦ 7°³ÀÇ ±ºÀ¸·Î ³ª´©¾î ½ÇÇèÆíÀ» Á¦ÀÛÇÑ µÚ, 4
°³ÀÇ ±º¿¡ ±¤ÁßÇÕÇü (L1±º, L2±º) ¹× ÀÚ°¡ÁßÇÕÇü (S1±º, S2±º) ±³Á¤¿ë Àü»öÁ¦ÀÎ
FluoroBond ¸¦ ½ÇÇèÆí¿¡ µµÆ÷ÇÏ°í Àΰø¿ì½Ä¿ë¾×ÇÏ¿¡¼­ ½ÇÇèÀûÀ¸·Î ó¸® ¿Ï
·áµÈ ½ÇÇèÆí¿¡ Knoop indenter¸¦ ºÎÂøÇÑ Tukon microhardness tester¸¦ ÀÌ¿ëÇØ ¹Ì¼¼°æµµ¸¦
ÃøÁ¤ÇÏ¿´°í, À̸¦ KHN(Knoop hardness number)À¸·Î ȯ»êÇÏ°í Á¶Á÷ÀÇ º¯¼º ¿©ºÎ¸¦ °Ë»öÇÏ
¿© ´ÙÀ½°ú °°Àº °á°ú¸¦ ¾ò¾ú´Ù.
1. ¹ý¶ûÁú ±íÀÌ¿¡ µû¸¥ ¹Ì¼¼°æµµ´Â ¸ðµç±ºÀÇ 50§­ ±íÀÌ¿¡¼­ ÃÖ¼Ò¿´°í, 200§­¿¡¼­ ÃÖ°íÀÎ L2
±ºÀ» Á¦¿ÜÇÑ ¸ðµç±ºÀÇ 300§­±íÀÌ¿¡¼­ ÃÖ°íÀÇ ¼öÄ¡¸¦ º¸¿´À¸¸ç, L2, S2±ºÀ» Á¦¿ÜÇÑ ¸ðµç±º¿¡
¼­ ¹ý¶ûÁú ±íÀÌ°¡ Áõ°¡µÊ¿¡ µû¶ó ¹Ì¼¼°æµµÄ¡µµ Áõ°¡µÇ¾ú´Ù.
2. ±¤ÁßÇÕÇü ¹× ÀÚ°¡ÁßÇÕÇü ±³Á¤¿ë Àü»öÁ¦ ±º ¸ðµÎ ¾î´ÀÁ¤µµ Ä¡¾Æ¿ì½Ä¿¡ ÀúÇ×ÇÏ´Â ¿¹¹æÈ¿°ú
¸¦ °¡Áö°í ÀÖ¾úÀ¸³ª Åë°èÇÐÀûÀÎ À¯ÀǼºÀº ¾ø¾ú´Ù.(p>0.05)
3. ±¤ÁßÇÕÇü ±³Á¤¿ë Àü»öÁ¦´Â ¹ý¶ûÁú ±íÀÌ 100§­, 150§­, 200§­¿¡¼­ Ä¡¾Æ¿ì½Ä ÁøÇà ¾ïÁ¦È¿°ú
°¡ ÀÖ¾ú´Ù.(p<0.05)
4. ÀÚ°¡ÁßÇÕÇü ±³Á¤¿ë Àü»öÁ¦´Â ¹ý¶ûÁú ±íÀÌ 150§­¿¡¼­ Ä¡¾Æ¿ì½Ä ÁøÇà ¾ïÁ¦È¿°ú°¡ ÀÖ¾ú
´Ù.(p<0.05)
5. ±¤ÁßÇÕÇü±³Á¤¿ë Àü»öÁ¦ ±º°ú ÀÚ°¡ÁßÇÕÇü ±³Á¤¿ë Àü»öÁ¦ ±º»çÀÇ ¹ý¶ûÁú Żȸ¾ïÁ¦ È¿°úÀÇ
Â÷ÀÌ´Â ¾ø¾ú´Ù.(p>0.05)
#ÃÊ·Ï#
The purpose of this study was to evaluate the effects of fluoride releasing orthodontic
sealants, light-cured(Group L1 & L2) and self-cured (Group S1 & S2) FluoroBond
, on enamel microhardness under artificial carious solution in vitro 112
extracted human premolar teeth were collected for experiments and divided into seven
groups.
A Tukon microhardness tester equipped with a Knoop diamond indenter was employed
to determine microhardness. Tukon 23 program converted the number of microhardness
into KHN(Knoop hardness number).
The results were as follows : 1. The microhardness of enamel depth of all groups
were the least at the depth of 50§­ and that of all groups except L2 group, the greatest
at the depth of 200§­, were the greatest at the depth of 300§­. And as the enamel depth
of all groups except L2 and S2 group increased, the microhardness value also increased.
2. There was a little preventive effect in enamel decalcification both light-and self-cured
orthodontic sealant groups, but had no statistical significance between the
groups(p>0.05).
3. Light-cured ortodontic sealant groups had a progressive inhibiting effect in enamel
decalcification at the depth of 100§­, 150§­, and 200§­(p<0.05).
4. Self-cured ortodontic sealant groups had a progressive inhibiting effect in enamel
decalcification at the depth of 150§­(p<0.05).
5. There was no difference of the anti-enamel demineralization effect between light-and
self-cured orthodontic sealant groups(p>0.05).

Å°¿öµå

Fluorobond ; ¹Ì¼¼°æµµ; ºÒ¼ÒÀ¯¸® ±³Á¤¿ëÀü»öÁ¦; Àΰø¿ì½Ä¿ë¾×; FluoroBond ; Microhardness; fluoride releasing orthodontic sealant; artificial carious solution;

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