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Microleakage Assessment of Resin Infiltration Combined Restoration in Artificial Decalcified-Cavitated Lesion

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ÀåÀºÁ¤ ( Jang Eun-Jeong ) - Pusan National University School of Dentistry Department of Pediatric Dentistry
¹Ú¼Ò¿µ ( Park So-Young ) - Pusan National University School of Dentistry Department of Pediatric Dentistry
½ÅÁ¾Çö ( Shin Jong-Hyun ) - Pusan National University School of Dentistry Department of Pediatric Dentistry
±è½Å ( Kim Shin ) - Pusan National University School of Dentistry Department of Pediatric Dentistry
Á¤Å¼º ( Jeong Tae-Sung ) - Pusan National University School of Dentistry Department of Pediatric Dentistry

Abstract

ÀÌ ¿¬±¸´Â ¿Íµ¿ÀÌ Çü¼ºµÈ Ãʱ⠿ì½Ä º´¼Ò¸¦ ÀçÇöÇÏ¿© ·¹Áø ħÅõ¹ý ó¸® ÈÄ º¹ÇÕ ·¹Áø°ú ·¹Áø °­È­Çü ±Û¶ó½º¾ÆÀÌ¿À³ë¸Ó ½Ã¸àÆ®·Î ¼öº¹À» ½ÃÇàÇÏ°í ±×¿¡ µû¸¥ ¹Ì¼¼´©ÃâÀÇ Á¤µµ¸¦ Æò°¡Çϱâ À§ÇØ ¼öÇàµÇ¾ú´Ù. °ÇÀüÇÑ 20°³ÀÇ ¹ßÄ¡µÈ Á¦3´ë±¸Ä¡¿¡ Àΰø ¿ì½ÄÀ» À¯¹ßÇÏ°í ¹«ÀÛÀ§·Î I±º°ú II±ºÀ¸·Î ³ª´©¾ú´Ù. °¢ Ä¡¾ÆÀÇ ±Ù¿ø½É¸é¿¡ °¢°¢ ¿Íµ¿À» Çü¼ºÇÏ¿© ¹«ÀÛÀ§·Î ½ÇÇ豺°ú ´ëÁ¶±ºÀ¸·Î ¼³Á¤ÇÏ¿´´Ù. ½ÇÇ豺¿¡´Â ·¹Áø ħÅõ¹ý Àü󸮸¦ ½ÃÇàÇÏ¿´°í ´ëÁ¶±º¿¡´Â Àüó¸® ¾øÀÌ ¼öº¹ÇÏ¿´À¸¸ç, I±ºÀº À¯µ¿¼º ·¹ÁøÀ», II±ºÀº ·¹Áø °­È­Çü ±Û¶ó½º¾ÆÀÌ¿À³ë¸Ó ½Ã¸àÆ®·Î ¼öº¹ÇÏ¿´´Ù. ¿­¼øȯ ¹× Áú»êÀº ħÁö ÈÄ ¥ì-CT·Î ¹Ì¼¼´©Ãâ ¾ç»óÀ» È®ÀÎÇÏ¿´´Ù. Áú»êÀº ħÅõ ±íÀÌ´Â I±º°ú II±º ¸ðµÎ¿¡¼­ ½ÇÇ豺ÀÌ ´ëÁ¶±º¿¡ ºñÇÏ¿© ³·¾ÒÀ¸³ª, Åë°èÀû À¯ÀǼºÀº II±º¿¡¼­¸¸ È®ÀεǾú´Ù. Àç·á º°·Î ºñ±³ ½Ã ½ÇÇ豺°ú ´ëÁ¶±º ¸ðµÎ I±º¿¡ ºñÇØ II±ºÀÇ Ä§Åõ ±íÀÌ°¡ Åë°èÀûÀ¸·Î À¯ÀÇÇÏ°Ô ³·¾Ò´Ù. ÀΰøÀûÀ¸·Î ÀçÇöÇÑ ¿Íµ¿¼º Ãʱ⠿ì½Ä º´¼Ò¿¡ ´ëÇÏ¿© ¼öº¹ Àü ·¹Áø ħÅõ¹ý Àü󸮸¦ ÇÏ´Â °ÍÀº Ä¡¸é°ú ¼öº¹¹° °è¸é¿¡¼­ÀÇ ¹Ì¼¼´©ÃâÀ» °¨¼Ò½ÃÄ×´Ù. ·¹Áø ħÅõ¹ý Àüó¸® ÈÄ ·¹Áø °­È­Çü ±Û¶ó½º¾ÆÀÌ¿À³ë¸Ó ½Ã¸àÆ®·Î ¼öº¹ÇÏ¿´À» ¶§ À¯µ¿¼º ·¹Áø¿¡ ºñÇÏ¿© ¹Ì¼¼´©ÃâÀÌ °¨¼ÒÇÏ´Â °á°ú¸¦ ¾ò¾úÀ¸¸ç ½ÇÇèÀûÀÎ ÇѰ踦 °í·ÁÇÒ ÇÊ¿ä°¡ ÀÖ´Ù.

This study was performed to evaluate the restoration combined with resin infiltration (RI) of early cavitated smooth surface caries lesion in terms of microleakage. Flowable resin and resin-modified glass ionomer cement (RMGIC) were compared. Sound 20 extracted 3rd molars were divided into 2 groups randomly. Artificial decalcified lesion was induced. Cavities were prepared on the mesial and distal surfaces, and randomly set as experimental and control group. RI was applied to the experimental group before cavity restoration. The control group was restored without RI. In group I and II, flowable resin and RMGIC was used for restoration respectively. After thermocycling and silver nitrate immersion, microleakage was assessed by ¥ì-CT. Depth of microleakage was lower in experimental group than control group only in group II (p = 0.05). Microleakage depth was lower in group II than group I in both experimental and control groups (p = 0.05). RI pretreatment before restoration of early cavitated caries lesions might reduce the microleakage and help long-term maintenance of restoration. In this study, RMGIC was less polymerization shrinkage. Restoration with RMGIC after RI pretreatment reduced the microleakage of the restoration compared to the flowable resin.

Å°¿öµå

Minimal invasive dentistry; Resin infiltration; Early cavitated caries lesion; Microleakage

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