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A comparative study on the microleakage of preventive resin restoration using flowable composite resin

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¼Ò¼Ó »ó¼¼Á¤º¸
¹ÚÇåÁ¤ ( Park Heon-Jeong ) - ´Ü±¹´ëÇб³ Ä¡°ú´ëÇÐ ¼Ò¾ÆÄ¡°úÇб³½Ç
±èÁ¾¼ö ( Kim Jong-Soo ) - ´Ü±¹´ëÇб³ Ä¡°ú´ëÇÐ ¼Ò¾ÆÄ¡°úÇб³½Ç
±è¿ë±â ( Kim Yong-Kee ) - ´Ü±¹´ëÇб³ Ä¡°ú´ëÇÐ ¼Ò¾ÆÄ¡°úÇб³½Ç

Abstract

¼ºÀο¡ ºñÇØ Ä¡·á¸¦ °ßµô ¼ö ÀÖ´Â ½Ã°£ÀÌ »ó´ëÀûÀ¸·Î ªÀº ¼Ò¾Æ ȯÀÚ¿¡ ÀÖ¾î ½Ã¼ú ½Ã°£Àº Ä¡·á °á°úÀÇ Áß¿äÇÑ º¯¼ö·Î ÀÛ¿ëÇÏ°Ô µÈ´Ù. ÃÖ±Ù ¼Ò°³µÈ À¯µ¿¼º º¹ÇÕ ·¹ÁøÀ» ¿¹¹æÀû ·¹Áø ¼öº¹¼ú¿¡ »ç¿ëÇÏ°Ô µÉ °æ¿ì Àü»öÀç µµÆ÷ °úÁ¤À» »ý·«ÇÒ ¼ö ÀÖ¾î ½Ã¼ú ½Ã°£ÀÇ ´ÜÃà, ÆíÀǼº µîÀÇ ÀåÁ¡ÀÌ ÀÎÁ¤µÇ³ª ¹Ì¼¼´©Ã⠵ °üÇÑ ¿¬±¸ °á°ú´Â ¹ÌÈíÇÑ ½ÇÁ¤ÀÌ´Ù. º» ¿¬±¸ÀÇ ¸ñÀûÀº ÃÖ±Ù ¼Ò°³µÈ À¯µ¿¼º º¹ÇÕ ·¹ÁøÀ» »ç¿ëÇÑ ¿¹¹æÀû ·¹Áø ¼öº¹¹°°ú ±âÁ¸ÀÇ º¹ÇÕ ·¹Áø°ú Àü»öÀ縦 »ç¿ëÇÑ ¿¹¹æÀû ·¹Áø ¼öº¹¹° °£ÀÇ ¹Ì¼¼´©Ãâ ¹× ±âÆ÷¹ß»ý Á¤µµ¸¦ ºñ±³ÇÏ°íÀÚ ÇÔÀ̾ú´Ù.

±³ÇÕ¸éÀÌ °ÇÀüÇÑ »ó¾Ç ¼Ò±¸Ä¡ 60°³¸¦ ´ë»óÀ¸·Î °í¼Ó¿ë 1/2 round bur¸¦ ÀÌ¿ëÇÏ¿© ±³ÇÕ¸é ¿­±¸¸¦ µû¶ó ±æÀÌ3.0 ¡¿Æø0.7 ¡¿±íÀÌ2.0mmÀÇ ¥°±Þ ¿Íµ¿À» Çü¼ºÇÏ°í °¢ ±º ´ç 20°³¾¿ ¹«ÀÛÀ§·Î ½ÃÆíÀ» ¹èºÐÇÏ°í, Á¦Á¶ÀÚÀÇ Áöħ¿¡ µû¶ó º»µùÀçÀÎ Scotchbond Multipurpose ¡à (3M dental product, U.S.A.)¸¦ Àû¿ëÇÏ°í À¯µ¿¼º º¹ÇÕ ·¹Áø ¼öº¹±ºÀÎ ¥°,¥±±º¿¡´Â °¢°¢ Revolution ¡à (Kerr, U.S.A.)°ú Arabesk Flow(VOCO, Germany), ´ëÁ¶±ºÀÎ ¥²±º(Åë»óÀû ¿¹¹æÀû ·¹Áø ¼öº¹±º)¿¡´Â Restorative Z-100 ¡à (3M dental product, U.S.A.)°ú Concise ¡à (3M dental product, U.S.A.)¸¦ Á¦Á¶ÀÚÀÇ Áö½Ã¿¡ µû¶ó ÃæÀü, Àû¿ëÇÏ¿´´Ù. 3,000ȸÀÇ ¿­ ¼øȯ ¹× »ö¼Ò ħÅõ ÈÄ ½ÃÆíÀ» Àý´ÜÇÏ¿© ÄÄÇ»ÅÍ¿¡ ¿µ»óÀ» ÀÔ·ÂÇÏ°í »ö¼ÒÀÇ Ä§Åõ ±æÀÌ ¹× ħÅõ ºñÀ²À» °è»êÇÏ°í ¹Ì¼¼´©Ãâ Æò°¡ ±âÁØÀ» ÀÌ¿ëÇÏ¿© °¢ ½ÃÆí¿¡ ´ëÇÑ ¹Ì¼¼´©Ãâ Á¤µµ¸¦ Æò°¡ÇÏ¿´´Ù. ¶ÇÇÑ, °¢ ±ºº°·Î Ư¡ÀûÀ¸·Î ³ªÅ¸³­ ±âÆ÷ÀÇ ¹ß»ý ¾ç»óÀ» º°µµÀÇ Æò°¡±âÁØ¿¡ µû¶ó Æò°¡ÇÏ¿´´Ù.

¹Ì¼¼´©ÃâÀº ¼öº¹Àç¿Í ¹ý¶ûÁúÀÇ °è¸éºÎ¿¡ ±¹ÇÑµÇ¾î °üÂûµÇ¾ú°í, ¿Íµ¿ ³»ºÎ±îÁö ħÅõµÈ °æ¿ì´Â ¾ø¾úÀ¸¸ç, À¯µ¿¼º º¹ÇÕ·¹Áø ¼öº¹±º(¥°, ¥±±º)ÀÌ ±âÁ¸ÀÇ ¿¹¹æÀû ·¹Áø ¼öº¹±º(¥²±º)¿¡ ºñÇØ ³·Àº ¹Ì¼¼ ´©Ãâ Á¤µµ¸¦ ³ªÅ¸³Â´Ù(p¡´0.05). ¹Ì¼¼´©Ãâ °á°ú ¿Ü¿¡, ´ëºÎºÐÀÇ ÃæÀü¹° ³»¿¡¼­ ´Ù¾çÇÑ ÇüÅÂÀÇ ±âÆ÷°¡ ¹ß°ßµÇ¾úÀ¸¸ç, ¥°, ¥±±º Ç¥º»¿¡¼­ ¥²±º¿¡ ºñÇØ Å©±â°¡ Å« ±âÆ÷°¡ ´õ¿í ¸¹ÀÌ °üÂûµÇ¾ú´Ù.

The purpose of this study was to compare the microleakage pattern of preventive resin restoration using conventional composite resin and allowable composite resin that recently developed. 60 sound premolar teeth were allocated to three groups. Flowable composite resin was used for the experimental groups(Group¥°,¥±) and conventional resin for the control group(Group ¥²) . After composite fi11ing and sealant application. all teeth were thermocycled and evaluated for microleakage under light microscope. Additionally, a variety of voids formed inside restorations were also evaluated. Data were analyzed statistically using Kruskal-Wallis test and/or Mann-Whitney U-test. The results of the present study were as fo11ows .

1.Microleakage found in all samples was only limited to the interface o( restoration margin and enamel.

2.The flowable composite resin groups (Group¥°, ¥±) generally showed less micoleakage than control groups

(conventional preventive resin restoration) (p¡´0.05)

3.Various types of voids were observed in most specimens. Especially, there was a tendency for more and larger voids to be found in group ¥°, ¥± than group ¥² (p¡´0.05).

Å°¿öµå

º¹ÇÕ·¹Áø;À¯µ¿¼º º¹ÇÕ ·¹Áø;¹Ì¼¼´©Ãâ;¿¹¹æÀû ·¹Áø ¼öº¹;Àü»öÀç
Composite resin;Flowable composie resin;Microleakage;Preventive resin restoration;Sealant;Voids

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