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MICROLEAKAGE OF VARIOUS DENTAL MATERIALS OF CLASS I CAVITY : IN VITRO STUDY

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Abstract

°á·Ð
ÀÓ»ó¿¡¼­ ¸¹ÀÌ »ç¿ëÇÏ´Â ´Ù¾çÇÑ Àç·á¿¡ ´ëÇÑ ±³ÇÕ¸é Á¦ ¥°±Þ ¿Íµ¿ÃæÀü¹°¿¡¼­ÀÇ º¯¿¬´©Ãâ
µµ¸¦ Æò°¡Çϱâ À§ÇÏ¿© ¹ß°ÅµÈ Ä¡¾Æ 175°³¸¦ ÀÌ¿ëÇÏ¿© ¾Æ¸»°¨, ±¤ÁßÇÕ º¹ÇÕ·¹Áø, glass
ionomer cement, IRM, Fermit-Nµî 5°¡Áö Àç·á¸¦ ÃæÀüÇÏ¿´´Ù. °¢ ±ºÀº ÃæÀüÈÄ 24½Ã°£ µ¿¾È
»ý¸® ½Ä¿°¼ö¿¡ º¸°ü ÇÏ¿´´Ù°¡ 5¡É¿Í 55¡ÉÀǹ°¿¡ ¹ø°¥¾Æ 30Ãʾ¿ 1000ȸÀÇ ¿Âµµ º¯È­¸¦ °ÅÄ£
´ÙÀ½ metylene blue dye¸¦ ÀÌ¿ëÇÑ »ö¼Ò ħÅõ¹ýÀ¸·Î º¯¿¬´©ÃâÀ» ÃøÁ¤ÇÏ¿´À¸¸ç °¢ ÃæÀü¹°´ç
Á߽ɰú marginºÎÀ§ µÎ ±ºµ¥¾Ö¼­ º¯¿¬´©ÃâÀ» °üÂûÇÏ¿© ´ÙÀ½ÀÇ °á·ÐÀ» ¾ò¾ú´Ù.
1. ±¤ÁßÇÕ ·¹Áø¿¡¼­ °¡Àå ³·Àº º¯¿¬´©ÃâÀ» º¸¿´À¸¸ç ¾Æ¸»°¨, IRM, Fermit-N, glass
ionmer cementÀÇ ¼ø¼­·Î º¯¿¬´©ÃâÀÌ Áõ°¡ÇÏ¿´À¸¸ç(SAS-6.0 system), Àç·á°£ÀÇ Åë°èÇÐÀû À¯
ÀÌÂ÷°¡ ÀÖ¾ú´Ù.(Kurskal-Wallis analysis, p<0.05).
2. ÃæÀü¹°ÀÇ Á߽ɺÎÀ§¿Í marginºÎÀ§¿¡¼­ÀÇ º¯¿¬´©ÃâÀº Åë°èÇÐÀû À¯ÀÇÂ÷°¡ ¾ø¾ú
´Ù.(Mann-Whitney analysis, p<0.05).
3. ¾Æ¸»°¨¿¡ ºñÇØ ·¹ÁøÀÇ ¹Ì¼¼´©ÃâÀÌ Àû¾úÀ¸³ª Åë°èÇÐÀû À¯ÀÇÂ÷´Â ¾ø¾úÀ¸¸ç
(Mann-Whitney analysis, p<0.05) glass ionomer cement¿¡ ºñÇØ Fermit-NÀÇ ¹Ì¼¼´©ÃâÀÌ
Àû¾úÀ¸³ª Åë°èÇÐÀû À¯ÀÇÂ÷´Â ¾ø¾ú´Ù.(Mann-Whitney analysis, p<0.05).
#ÃÊ·Ï#
Microleakage is a problem of all filling materials of looted teeth structure and is
clinically undetectable. Because marginal leakage may be responsible for pulp irritation,
pulp inflammation, necrosis and recurrent caries, it is essential to prevent and control it.
For the evaluations of microleakage of various class I filliilg materials, 175 extracted
teeth were filled with amalgam, light curing composite resin, glass inomer cement, IRM
and Fermit-N. After thermocycling, specimens were placed in 1% methylene blue dye
solution for 24 hours in an incubator set 37¡É. The teeth were sectioned at filling body
center and margin and degree of dye penetration was observed with a stereomicroscope.
The following results were obtained.
1. Light cured composite resin has the excellent result and microleakage is increased
In the order of amalgam, IRM, Fermit-N, glass ionomer cement.(SAS-6.0 system) and
there was a statistically significancy in marginal leakage for each filling
materials.(Kruskal-Wallis analysis, p<0.05)
2. Microleakage of the center and margin was statistically insignificant
(Mann-Whitney analysis P<0.05)
3. There was less microleakage for amalgam than light cured composite resin but was
statistically insignificant (Mann-Whitney analysis, p<0.05) and also showed less
marginal leakage for Fermit-N compared to glass ionomer cement but also was
statistically insignificant. (Mann-Whitney analysis, p<0.05).

Å°¿öµå

Microleakage; amalgam; Light cured composite resin; Glass ionomer cement; IRM; Fermit-N;

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