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Change in shear bond strength of orthodontic brackets using self-etching primer according to adhesive types and saliva contamination

Korean Journal of Orthodontics 2005³â 35±Ç 6È£ p.433 ~ 442
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Abstract

º» ¿¬±¸ÀÇ ¸ñÀûÀº ºê¶óÄÏ Á¢Âø ½Ã »êºÎ½Ä°ú Àüó¸® °úÁ¤À» °áÇÕÇÏ¿© ÀâÂø ´Ü°è¸¦ ´Ü¼øÈ­½ÃŲ self-etching primer (SEP)¸¦ »ç¿ëÇÏ´Â °æ¿ì Á¢ÂøÁ¦ Á¾·ù¿Í Ÿ¾×ÀÇ Á¸Àç À¯¹«¿¡ µû¸¥ Àü´Ü°áÇÕ°­µµÀÇ Â÷ÀÌ¿¡ °üÇÏ¿© ºñ±³ ¿¬±¸ ÇÏ´Â °ÍÀÌ´Ù. ¼ÒÀÇ ÇÏ¾Ç ¿µ±¸ ÀüÄ¡¸¦ Æ÷¸ÅÇÏ¿© ¸¸µç ½ÃÆíÀ» Á¢ÂøÁ¦ÀÇ Á¾·ù¿¡ µû¶ó ·¹Áø Á¢ÂøÁ¦¿Í ·¹Áø °­È­Çü ±Û·¡½º ¾ÆÀÌ¿À³ë¸Ó Á¢ÂøÁ¦¸¦ ÀÌ¿ëÇÑ ±ºÀ¸·Î ³ª´©¾ú°í, °¢°¢ 37% ÀλêÀ¸·Î »êºÎ½Ä ÈÄ ±âÁ¸ÀÇ º»µù¿ë ÇÁ¶óÀ̸Ӹ¦ »ç¿ëÇÏ¿© Á¢ÂøÇÑ ±º°ú, SEP¸¦ »ç¿ëÇÏ¿© Á¢ÂøÇÑ ±ºÀ¸·Î ºÐ·ùÇÏ°í, Ÿ¾× ¿À¿° À¯¹«¿¡ µû¶ó ´Ù½Ã °¢ ±ºÀ» ºÐ·ùÇÏ¿© Àü´Ü°áÇÕ°­µµ¸¦ ÃøÁ¤ÇÏ¿´´Ù. ±× °á°ú ·¹Áø Á¢ÂøÁ¦·Î ºê¶óÄÏÀ» ºÎÂøÇÑ °æ¿ì SEP¸¦ »ç¿ëÇÏ¿© Á¢ÂøÇÑ ±ºÀÇ Àü´Ü°áÇÕ°­µµ´Â Àλê 󸮱º¿¡ ºñÇØ ³·Àºµ¥ ºñÇØ, ·¹Áø °­È­Çü ±Û·¡½º ¾ÆÀÌ¿À³ë¸Ó¸¦ »ç¿ëÇÑ °æ¿ì, Àü󸮹ý¿¡ µû¸¥ Àü´Ü°áÇÕ°­µµ´Â Åë°èÀûÀ¸·Î À¯ÀÇÇÑ Â÷°¡ ¾ø¾úÀ¸¸ç, Á¢ÂøÁ¦ÀÇ Á¾·ù¿¡ °ü°è¾øÀÌ Å¸¾× ¿À¿°ÀÌ Á¸Àç ½Ã¿¡´Â SEP¸¦ »ç¿ëÇÑ ±ºÀÌ Àλê 󸮱º¿¡ ºñÇØ ³ôÀº Àü´Ü°áÇÕ°­µµ¸¦ º¸¿´´Ù. ÀÌ»óÀÇ °á°ú¿¡¼­ SEP¸¦ »ç¿ë ½Ã ·¹Áø Á¢ÂøÁ¦¿Í ·¹Áø °­È­Çü ±Û·¡½º ¾ÆÀÌ¿À³ë¸Ó Á¢ÂøÁ¦ ¸ðµÎ ÀÓ»óÀûÀ¸·Î »ç¿ë °¡´ÉÇÑ Àü´Ü°áÇÕ°­µµ¸¦ º¸¿´À¸¸ç, ƯÈ÷ Ÿ¾×¿¡ ¿À¿°µÈ Ä¡¸é¿¡¼­µµ SEP¸¦ »ç¿ëÇÏ¿© ºê¶óÄÏÀ» Á¢ÂøÇÏ´Â °ÍÀº ÀûÀýÇÑ °áÇÕ°­µµ¸¦ ¾òÀ» ¼ö ÀÖÀ¸¹Ç·Î ÀÓ»óÀûÀ¸·Î À¯¿ëÇÒ °ÍÀ¸·Î »ý°¢µÈ´Ù.

The purpose of this study was to evaluate and compare the shear bond strength of orthodontic brachets depending on the variety of adhesives and whether saliva exists. by using self-etching primer (SEP). Groups were divided according to the type of adhesive into resin adhesive (Transbond XT) and resin-medified glass ionomer cement (Fuji Ortho LC). One group of resin adhesive used XT primer after etching with 37% phosphoric acid, and the other group used self-etching primer. One group of resin-modified glass ionomer cement only used etching for bonding, and the other group used SEP. Each of the group were also classified by whether saliva was contaminated or not. and then the shear bond strength was measured. The results showed that when using resing adhesive. the shear bond strength of SEP was lower than the XT primer. In the resin-medified glass ionomer cement groups, the shear bond strength which depends on the priming method, did not have a meaningful difference statistically. When saliva was contaminated. the group which used SEP, regardless of the adhesive variety, had a greater shear bond strength than the normal priming group. From these results, SEP showed a shear bond strength that is possible to be used clinically, regardless of the adhesive variety. It can especially be clinically useful to use SEP to bond brackets even on tooth surfaces contaminated with saliva, because it offers the appropriate bonding strength as well as shorter treatment time and easy application.

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Àü´Ü°áÇÕ°­µµ;Self-etching primer;Á¢ÂøÁ¦;Ÿ¾× ¿À¿°;Shear bond strength;Adhesive;Saliva contamination

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