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RESIN TAG FORMATION OF SELF-ETCHING ADHESIVES

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Abstract

º» ¿¬±¸´Â ÀÚ°¡ºÎ½Ä Á¢ÂøÁ¦ÀÇ Ä¡Áú·ÎÀÇ Ä§Åõ¿Í ·¹Áø tagÇü¼ºÀ» ¾Ë¾Æº¸°í ºÎ°¡ÀûÀÎ »êºÎ½ÄÀÌ ·¹Áø tag Çü¼º¿¡ ¹ÌÄ¡´Â È¿°ú¸¦ °üÂûÇϱâ À§ÇÏ¿© °èȹµÇ¾ú´Ù.
3Á¾ÀÇ ÀÚ°¡ºÎ½Ä Á¢ÂøÁ¦(SE bond, Ad bond and L Pop)¿Í one bottle adhesive(Single bond)¸¦ »ç¿ëÇÏ¿´°í ¹ß°ÅÇÑ ±¸Ä¡·Î ±³ÇÕ¸é ¹ý¶ûÁú°ú »ó¾ÆÁú ½ÃÆíÀ» Á¦ÀÛÇÏ¿´À¸¸ç °¢ ±º´ç 5°³¾¿ ³× °³ÀÇ ±ºÀ¸·Î ³ª´« ÃÑ 20°³ÀÇ ½ÃÆíÀ» ¾çºÐÇÏ¿© °¢°¢ Á¢ÂøÁ¦¸¦ Àû¿ëÇϱâ Àü 35% ÀλêÀ¸·Î »êºÎ½ÄÇϰųª »êºÎ½Äó¸®ÇÏÁö ¾Ê¾ÒÀ¸¸ç ÀÌÈÄ ·¹ÁøÀ» Àû¿ë½ÃÅ°°í ÁßÇÕÇÏ¿´´Ù ½ÃÆíÀº Silverstone microtomeÀ¸·Î Àý´ÜÇÑ ÈÄ HCI ¿ë¾×°ú NaOCl ¿ë¾×À¸·Î ó¸®ÇÏ°í °ÇÁ¶½ÃŲ ÈÄ ÀÌ¿ÂÀ¸·Î ÇǺ¹ÇÏ¿´À¸¸ç ÁÖ»çÀüÀÚÇö¹Ì°æÀ¸ÃÊ °üÂûÇÏ¿© ´ÙÀ½°ú °°Àº °á°ú¸¦ ¾ò¾ú´Ù.
1. ºÎ°¡Àû »êºÎ½Ä ó¸®ÇÑ »ó¾ÆÁúÀº ¸ðµç ÀÚ°¡ºÎ½Ä Á¢ÂøÁ¦±º¿¡¼­ »êºÎ½ÄÇÏÁö ¾ÊÀº »ó¾ÆÁúº¸´Ù resin tagÀÇ ±æÀÌ¿Í µÎ²²°¡ Áõ°¡ÇÏ´Â °ÍÀÌ °üÂûµÇ¾ú´Ù.
2. ¹ý¶ûÁú¿¡¼­´Â L PopÀ» Á¦¿ÜÇÏ°í ºÎ°¡Àû »êºÎ½ÄÇÑ ±º¿¡¼­ ·¹Áø tagÀÇ µÎ²²°¡ »êºÎ½ÄÇÏÁö ¾ÊÀº ±ºº¸´Ù ÄÇ°í º¸´Ù ¸íÈ®ÇÑ ºÎ½Ä¾ç»óÀ» °üÂûÇÒ ¼ö ÀÖ¾ú´Ù. L Pop¿¡¼­´Â ºÎ½Ä¹ý¶ûÁú°ú ºñºÎ½Ä¹ý¶ûÁú°£ÀÇ Â÷ÀÌ°¡ ¾ø¾ú´Ù.
º» ¿¬±¸ÀÇ °á°ú´Â ÀÚ°¡ºÎ½ÄÇü Á¢ÂøÁ¦°¡ ¹ý¶ûÁúÀ» ºÎ½Ä½ÃÅ°Áö ¾Ê°í »ó¾Æ¼¼°üÀ¸·Î ħÅõÇÏ´Â Á¤µµ°¡ »êºÎ½Ä±º¿¡ ¹ÌÄ¡Áö ¸øÇÑ´Ù´Â °ÍÀ» ÀǹÌÇÑ´Ù. ÀÌ¿Í °ü·ÃÇÏ¿© Á¢Âø°­µµ¿Í ¹Ì¼¼´©Ãâ ¹× ·¹Áø tag ÇüÅ¿¡ ´ëÇÑ ºÎ°¡Àû ¿¬±¸°¡ ÇÊ¿äÇÒ °ÍÀÌ´Ù.
The aims of the present study was to observe resin tag of the resin/enamel, dentin interface produced by self-etching adhesive systems and evaluate effect of additional acid etching on resin tag formation
Three self-etching primer(SE bond. AQ bond and L Pop) and an one bottle adhesive(Single bond) were used. Flat occlusal enamel and dentin disks were obtained from extracted human molars. A total of 20 surfaces were collected and divided into four groups of 5 samples. One-half of each specimen in each group was etched with 35% phosphoric acid prior to the application of each adhesive system, with the second half being kept unetched. Subsequently_ resin composite was placed¢¥, and polymerized. The samples were sliced and immersed into HC1 and NaOCI solutions, followed by drying and sputter coating for examination with a SEM.
The results were as follows;
1. Additional etching side of dentin displayed (anger and thicker resin tag than unetched side in all self-etching adhesive groups.
2. In enamel, additional etching side displayed deeper and more distinct etching pattern than unetched
side except L Pop. There is no difference between etched and unetched enamel in L Pop.
The results obtained suggest the self-etching al _hesive did not etch enamel and penetrate into dentinal tubule as deeply as did additional etching. Further research should include the evaluation of the relationship of boding strength, microleakage and resin za_ morphology.

Å°¿öµå

Self-etching;Resin tag;SEM;ÀÚ°¡ºÎ½Ä;·¹Áø tag;ÁÖ»çÀüÀÚÇö¹Ì°æ

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