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Bond strength of different bonding systems to the lingual surface enamel of mandibular incisors

Korean Journal of Orthodontics 2010³â 40±Ç 4È£ p.260 ~ 266
Turkoz Cagr©¥, Tuncer Balos Burcu, Ulusoy Cagr©¥ Mehmet,
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 ( Turkoz Cagr©¥ ) - Turkey Gazi University Faculty of Dentistry Department of Orthodontics
 ( Tuncer Balos Burcu ) - Turkey Gazi University Faculty of Dentistry Department of Orthodontics
 ( Ulusoy Cagr©¥ Mehmet ) - Turkey Gazi University Faculty of Dentistry Department of Orthodontics

Abstract

º» ¿¬±¸ÀÇ ¸ñÀûÀº ¼­·Î ´Ù¸¥ Á¾·ùÀÇ Á¢Âø½Ã½ºÅÛ°ú ¹ý¶ûÁú º¸È£Á¦ µîÀÌ ¼³Ãø ºê¶óÄÏÀÇ ÀÎÀå°­µµ¿¡ ¿µÇâÀ» ¹ÌÄ¡´ÂÁö ¾Ë¾Æº¸´Âµ¥ ÀÖ´Ù. 75°³ÀÇ ¹ßÄ¡µÈ ÇÏ¾Ç ÀüÄ¡¸¦ 5°³ÀÇ ±×·ìÀ¸·Î ÀÓÀÇ·Î ³ª´« ÈÄ ¼³Ãø ºê¶óÄÏÀ» ºÎÂøÇÏ¿´´Ù. Group 1Àº Transbond XT¸¦, Group 2´Â Transbond XT¿Í ÇÔ²² ºÒ¼Ò À¯¸®·¹Áø(Ortho-coat)À» Group 3´Â Transbond XT¿Í Chlorohexidine varnish (Cervitec Plus)¸¦ Group 4´Â ±¤ÁßÇÕ Á¢ÂøÁ¦(Aegis Ortho)¸¦ Group 5´Â antimicrobial self-etching primer(Clearfil Protect Bond)À» »ç¿ëÇÏ¿´´Ù. ºÒ¼ÒÀ¯¸® ·¹ÁøÀ̳ª Chlorohexidine varnishÀÇ »ç¿ëÀ¯¹«´Â Á¢Âø·Â¿¡ ¿µÇâÀ» ¹ÌÄ¡Áö ¸øÇÏ¿´´Ù. Group 5ÀÌ ´Ù¸¥ ±×·ì¿¡ ºñÇØ Á¢Âø·Â°ú Á¢ÂøÁ¦ ÀÜ·ùÁö¼ö(adhesive remnant index, ARI)°¡ Åë°èÀûÀ¸·Î À¯ÀÇÇÏ°Ô ³ô¾Ò´Ù (p £¼ 0.001). ¹ý¶ûÁú º¸È£Á¦ Àû¿ë ½Ã ¼³Ãø ºê¶óÄÏÀÇ Á¢Âø·Â¿¡ ºÎÁ¤ÀûÀÎ ¿µÇâÀ» ¹ÌÄ¡Áö ¸øÇÏ¿´´Ù. ÀÌ»óÀÇ °á°ú·Î À̹ø¿¡ »ç¿ëÇÑ Á¦Ç°µéÀº ¼³Ãø ±³Á¤Ä¡·á ±â°£ µ¿¾È ȯÀÚÀÇ ±¸°­À§»ýÀ» °³¼±½Ãų ¼ö ÀÖ¾î ȯÀÚ¿Í ¼úÀÚ¿¡°Ô µµ¿òÀ» ÁÙ ¼ö ÀÖÀ» °ÍÀÌ´Ù. ±×·¯³ª ¿¡³ª¸á ÃþÀÌ ¾ãÀº °æ¿ì Clearfil Protect BondÀÇ °úµµÇÑ Á¢Âø°­µµ¿¡ ´ëÇØ °í·ÁÇؾßÇÒ °ÍÀÌ´Ù.

Objective: The aim of this study was to determine whether different types of adhesive systems and enamel-protective agents will affect the tensile bond strength of lingual brackets.

Methods: A total of 75 extracted mandibular incisors were randomly divided into 5 groups and lingual brackets were bonded. Group 1 specimens received Transbond XT (3M Unitek, Monrovia, CA, USA), Group 2 required the application of a fluoride-releasing resin (Ortho-coat, Pulpdent, Watertown, MA, USA) with Transbond XT, Group 3 specimens received a chlorhexidine varnish (Cervitec Plus, Ivoclar Vivadent, Schaan, Lichtenstein) with Transbond XT. In Group 4, a light-cured orthodontic adhesive (Aegis Ortho, Bosworth, Skokie, USA) was applied and in Group 5, an antimicrobial self-etching primer (Clearfil Protect Bond, Kuraray, Osaka, Japan) was used.

Results: There were no significant differences in bond strength whether fluoride-releasing resin or chlorhexidine varnish were used or not. Group 5 had significantly higher bond strength and adhesive remnant index (ARI) values than other groups (p < 0.001). The application of enamel-protective products did not have an adverse affect on the bond strength of lingual brackets.

Conclusions: These products might provide benefits both for the patient and the clinician, by supporting the oral hygiene during lingual orthodontic treatment. The higher ARI score may be beneficial for Clearfil Protect Bond but its excessive bond strength should be considered in clinical practice, especially where the enamel is thin.

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¼³Ãø¸é; Á¢ÂøÁ¦; ·¹Áø; ¹ý¶ûÁú º¸È£Á¦
Lingual; Bonding; Resin; Adhesive

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SCI(E)
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