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Effects of conventional and self-etching adhesive systems on bond strength of orthodontic attachments bonded to erupted and unerupted teeth
Metin Nur, Tancan Uysal, Yesilyurt Cemal, Mehmet Bayram,
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( Metin Nur ) - Karadeniz Technical University Ä¡°ú±³Á¤Çб³½Ç
( Tancan Uysal ) - Erciyes University Faculty of Dentistry Department of Orthodontics
( Yesilyurt Cemal ) - Turkey Karadeniz Technical University Department of Operative Dentistry
( Mehmet Bayram ) - Karadeniz Technical University Ä¡°ú±³Á¤Çб³½Ç
KMID : 0361920100400040267
Abstract
À̹ø ¿¬±¸ÀÇ ¸ñÀûÀº ¸ÍÃ⠶Ǵ ¹Ì¸ÍÃâµÈ Ä¡¾Æ¿¡ ±³Á¤¿ë ¹öÆ°À» ºÎÂø ÈÄ ÀÚ°¡ºÎ½Ä Á¢ÂøÁ¦(self-etching adhesive)ÀÇ »ç¿ë À¯¹«¿¡ ´ëÇÑ Àü´Ü°áÇÕ°µµ(shear bond strength)¿Í Å»¶ô ¸ðµå¸¦ ºñ±³ÇÏ°íÀÚ ÇÔÀÌ´Ù. °¢°¢ 84°³ÀÇ ¸ÍÃ⠶Ǵ ¹Ì¸ÍÃâµÈ Á¦3´ë±¸Ä¡¸¦ »ç¿ëÇÏ¿´´Ù. °¢°¢ Ä¡¾ÆÀÇ ÇùÃø¸éÀ» ´ÙÀ½ÀÇ ºÎÂø ½Ã½ºÅÛ ±×·ìÀ¸·Î ÇÒ´çÇÏ¿´´Ù. A, ±âÁ¸¹æ½Ä: 1, Transbond XT (3M Unitek); 2, Prime & Bond NT (Dentsply/Caulk); 3, Single Bond (3M ESPE`); B, ÀÚ°¡ºÎ½Ä Á¢ÂøÁ¦; 4, Clearfil SE Bond (Kuraray); 5, Transbond Plus (3M Unitek); 6, Clearfil S3 (Kuraray); 7, G Bond (GC). ºÎÂø¹°ÀÇ Àü´Ü°µµ¿Í Á¢ÂøÁ¦ ÀÜ·ùÁö¼ö¸¦ ÃøÁ¤ÇÏ¿´À¸¸ç °á°ú°ªÀº ANOVA¿Í independent t-test ¹× chi-square °ËÁõÀ» ÅëÇØ ºÐ¼®µÇ¾ú´Ù. ¸ÍÃ⠶Ǵ ¹Ì¸ÍÃâµÈ Ä¡¾ÆÀÇ Àü´Ü°áÇÕ°µµ¸¦ ºñ±³ÇÏ¿´À» ¶§ Clearfil SE¿Í G Bond¿¡¼ À¯ÀÇÇÑ Â÷ÀÌ°¡ °üÂûµÇ¾ú´Ù. Single Bond¸¦ Á¦¿ÜÇÑ ¸ðµç Á¢Âø½Ã½ºÅÛ¿¡¼ ¸ÍÃ⺸´Ù´Â ¹Ì¸ÍÃâ Ä¡¾Æ¸é¿¡¼ ³ôÀº Á¢Âø°µµ°¡ °üÂûµÇ¾ú´Ù. ±âÁ¸ Á¢ÂøÁ¦¸¦ »ç¿ëÇÏ´Â °æ¿ì ¸ÍÃ⠶Ǵ ¹Ì¸ÍÃâ Ä¡¾Æ¿¡ ´ëÇÑ Á¢Âø°µµ¿¡´Â Â÷ÀÌ°¡ ¾øÀ» ¼ö ÀÖ´Ù. ±×·¯³ª ÀÓ»óÀÇ»ç´Â »ç¿ë Àü¿¡ self-etching systemÀÇ Á¾·ù¸¦ °í·ÁÇÒ ÇÊ¿ä°¡ ÀÖ´Ù.
Objective: The aim of this study was to evaluate and compare the shear bond strength (SBS) and failure-mode of orthodontic buttons bonded to erupted and unerupted teeth with conventional and self-etching adhesive systems.
Methods: Eighty-four erupted and 84 unerupted, human third-molar teeth were used. For both groups, the buccal surfaces of each tooth were assigned one of the following type of adhesive systems (n = 12). A, Conventional systems: 1, Transbond XT (3M Unitek, Monrovia, CA, USA); 2, Prime & Bond NT (Dentsply/Caulk, Milford, USA); 3, Single Bond (3M ESPE, Minnesota, USA); and B, Self-etching adhesives; 4, Clearfil SE Bond (Kuraray, Okayama, Japan); 5, Transbond Plus (3M Unitek, Monrovia, CA, USA); 6, Clearfil S3 (Kuraray, Tokyo, Japan); 7, G Bond (GC, Tokyo, Japan). The SBSs of the attachments and the adhesive remnant index (ARI) scores were recorded. Data were analyzed with analysis of variance (ANOVA), independent-sample t-test and chi-square tests.
Results: When the SBSs of erupted and unerupted teeth were compared, only the Clearfil-SE Bond and G-Bond were significantly different. Bond strengths of all adhesive systems were higher in unerupted teeth than erupted teeth, except the Single-Bond system.
Conclusions: When using conventional adhesives, bonding to erupted and unerupted teeth may not be significantly different. However, clinicians need to take into consideration the types of self-etching systems before usage.
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Bonding; Bracket; Resin; Adhesive
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