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EFFECT OF THE APPLICATION TIME OF SELF-ETCHING PRIMERS ON THE BONDING OF ENAMEL

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ÁøöÈñ, Á¶¿µ°ï, ±è¼ö¹Ì, ÀÌ¸í¼±,
¼Ò¼Ó »ó¼¼Á¤º¸
ÁøöÈñ ( Jin Cheul-Hee ) - Á¶¼±´ëÇб³ Ä¡°ú´ëÇÐ º¸Á¸Çб³½Ç
Á¶¿µ°ï ( Cho Young-Gon ) - Á¶¼±´ëÇб³ Ä¡°ú´ëÇÐ Ä¡°úº¸Á¸Çб³½Ç
±è¼ö¹Ì ( Kim Soo-Mee ) - ¼­³²´ëÇб³ ÀÇ°ú´ëÇÐ Ä¡°úÇб³½Ç
ÀÌ¸í¼± ( Lee Myeong-Seon ) - ¼­°­Á¤º¸´ëÇб³ Ä¡À§»ý°ú

Abstract

ÀÌ ¿¬±¸ÀÇ ¸ñÀûÀº 6Á¾ÀÇ ÀÚ°¡ºÎ½Ä ÇÁ¶óÀÌ¸Ó Á¢Âø½Ã½ºÅÛ¿¡¼­ Á¦Á¶»ç¿¡¼­ ÃßõÇÑ ÇÁ¶óÀÌ¸Ó Àû¿ë½Ã°£°ú 2¹èÀÇ ÇÁ¶óÀÌ¸Ó Àû¿ë½Ã°£¿¡ µû¸¥ ¹ý¶ûÁú¿¡ ´ëÇÑ ¹Ì¼¼Àü´Ü °áÇÕ°­µµ¿Í ÀüÀÚÇö¹Ì°æÀû ¼Ò°ßÀ» ºñ±³Çϱâ À§ÇÏ¿© ½ÃÇàÇÏ¿´´Ù. ÀÌ ¿¬±¸ÀÇ °á°ú ¹ý¶ûÁú¿¡ ´ëÇÑ ÀÚ°¡ºÎ½Ä ÇÁ¶óÀÌ¸Ó Á¢ÂøÁ¦ÀÇ °áÇÕ°­µµ´Â Á¦Á¶»ç¿¡¼­ ÃßõÇÑ ÇÁ¶óÀ̸ÓÀÇ Àû¿ë½Ã°£º¸´Ù ÇÁ¶óÀ̸ÓÀÇ Àû¿ë½Ã°£À» 2¹è Áõ°¡½ÃŲ °æ¿ì ³ô°Ô ³ªÅ¸³µÀ¸¸ç, ƯÈ÷ pH°¡ ³ôÀº ÇÁ¶óÀ̸Ӹ¦ »ç¿ëÇÏ¿´À» ¶§ Åë°èÇÐÀûÀ¸·Î ³ôÀº °áÇÕ°­µµ¸¦ ³ªÅ¸³»¾ú´Ù. ÀÌ´Â ¹ý¶ûÁú¿¡¼­ pH°¡ ³ôÀº ÇÁ¶óÀ̸Ӹ¦ »ç¿ëÇÒ °æ¿ì, Á¦Á¶»ç¿¡¼­ ÃßõÇÑ ½Ã°£º¸´Ù ´õ ±ä ½Ã°£µ¿¾È Àû¿ëÇÏ´Â °ÍÀÌ °áÇÕ°­µµ¸¦ Áõ°¡½Ãų ¼ö ÀÖÀ» °ÍÀ¸·Î »ý°¢µÈ´Ù.

The purpose of this study was to compare the normal and two times of application time of six self-etching primers applied to enamel using microshear bond strength (uSBS) test and the finding of scanning electronic microscope (SEM). Crown of sixty human molars were bisected mesiodistally and buccal and lingual enamel of crowns were partially exposed and polished with 600 grit SiC papers. They were divided into one of two equal groups subdivided into one of six equal groups (n = 10) by self-etching primer adhesives. After the same manufacture¡¯s adhesive resin and composites were bonded on the enamel surface of each group, the bonded specimens were subjected to uSBS testing and also observed under SEM. In conclusion, generally two times of primer application time increased the enamel uSBS, especially with the statistical increase of bond strength in adhesives involving high-pH primers.

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Application time;Self-etching primers;Microshear bond strength;SEM; Enamel

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