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The effects of salivary contamination on tensile bond strength of resin modified glass ionomer cements in bonding brackets

Korean Journal of Orthodontics 2000³â 30±Ç 1È£ p.83 ~ 89
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1ÀÌ°æ¾Æ/1Kyoung A Lee 2±Ç¿À¿ø/2Oh Won Kwon

Abstract

kabstract :
·¹Áø °­È­Çü ±Û·¡½º ¾ÆÀÌ¿À³ë¸Ó ½Ã¸àÆ®ÀÇ Á¢Âø °­µµ¸¦ ¾Ë¾Æº¸°í, Ÿ¾× ¿À¿°ÀÌ Á¢ÂøÁ¦ÀÇ
Á¾·ù¿¡ µû¶ó Á¢Âø °­µµ¿¡ ¾î¶°ÇÑ ¿µÇâÀ» ¹ÌÄ¡´ÂÁö °üÂûÇÏ¿© º½À¸·Î½á ÀÓ»óÀû È¿¿ë¼ºÀ» ¾Ë¾Æ
º¸±â À§ÇÏ¿© º» ¿¬±¸¸¦ ½ÃÇàÇÏ¿´´Ù.
±³Á¤ Ä¡·á¸¦ ¸ñÀûÀ¸·Î ¹ß°ÅµÈ ¼Ò±¸Ä¡¿¡ ±³Á¤¿ë º¹ÇÕ ·¹Áø Á¢ÂøÁ¦·Î Ortho-One, ·¹Áø °­
È­Çü ±Û·¡½º ¾ÆÀÌ¿À³ë¸Ó ½Ã¸àÆ®·Î´Â Fuji Ortho LC, Vitremer, Advance¸¦ »ç¿ëÇÏ¿© Åë»óÀû
ÀÎ °úÁ¤ÀÇ ºê¶óÄÏ Á¢ÂøÀ» ÇÏ¿´À¸¸ç, Ÿ¾× ¿À¿°±ºÀº Ÿ¾× ¿À¿°ÈÄ¿¡ °ÇÁ¶ ÇÑ µÚ ºê¶óÄÏÀ» Á¢
ÂøÇÑ ÈÄ Áõ·ù¼ö¿¡ ħÀûÇÏ°í 37¡É Ç׿ÂÁ¶¿¡¼­ 24½Ã°£ º¸°üÇÏ¿´´Ù. ¸¸´É½ÃÇè±â·Î ÀÎÀå Á¢Âø
°­µµ¸¦ ÃøÁ¤ÇÏ¿© ´ÙÀ½°ú °°Àº °á°ú¸¦ ¾ò¾ú´Ù.
1. Åë»óÀÇ ¹æ¹ýÀ¸·Î ºê¶óÄÏÀ» ºÎÂøÇÑ °æ¿ì ÀÎÀå Á¢Âø °­µµ´Â Ortho-One±º¿¡¼­´Â 7.68
1.76 À̾úÀ¸¸ç, Advance±º¿¡¼­´Â 7.87 2.80, Fuji Ortho LC±º¿¡¼­´Â 4.99 2.53,
Vitremer±º¿¡¼­´Â 2.80 0.88 MPa ³ªÅ¸³µ´Ù. Ÿ¾× ¿À¿°½ÃŲ °æ¿ì ÀÎÀå Á¢Âø °­µµ´Â
Ortho-One±º¿¡¼­´Â 4.12 1.67, Advance±º¿¡¼­´Â 5.37 0.68, Fuji Ortho LC±º¿¡¼­´Â
4.41 1.61, Vitremer±º¿¡¼­´Â 2.60 1.10 MPa·Î ³ªÅ¸³µ´Ù.
2. Ÿ¾× ¿À¿°½ÃŲ °æ¿ì Fuji Ortho LC¿Í Vitremer´Â °ÅÀÇ ¿µÇâÀÌ ¾ø¾ú°í (p>0.05),
Ortho-One°ú Advance´Â Å« ÆøÀÇ Á¢Âø °­µµ ÀúÇÏ Çö»óÀ» ³ªÅ¸³Â´Ù (p<0.05).
3. Advance¿Í Ortho-One, Fuji Ortho LC´Â ¸¸Á·ÇÒ ¸¸ÇÑ ÀÎÀå Á¢Âø °­µµ¸¦ ³ªÅ¸³»¾î ºê¶ó
ÄÏ Á¢Âø½Ã ÀÓ»óÀû À¯¿ë¼ºÀÌ ÀÖÀ¸¸®¶ó »ý°¢µÈ´Ù.

-Abstract-
The purposes of this study were to evaluate applicability of resin modified glass
ionomer cements and to determine the effect of salivary contamination on the tensile
bond strength. Fourty extracted human permanent premolars were prepared for bonding
and standard edgewise brackets were bonded with Ortho-One, Fuji Ortho LC, Vitremer
and Advance. Fourty extracted human permanent premolars were contaminated with
saliva, dried and bonded with same materials above. The tensile bond strength was
tested by Instron testing device after storage in normal saline at 37¡É for 24 hours from
bonding.
The results were as follow :
1. The tensile bond strength of Ortho-one group was 7.68 1.76, Advance group was
7.87 2.80, Fuji Ortho LC group was 4.99 ¡¾2.53, Vitremer group was 2.80 0.88
MPa. The tensile bond strength in contaminated condition of Ortho-One group was 4.12
1.67, Advance group was 5.37 0.68, Fuji Ortho LC group was 4.41 1.61,
Vitremer group was 2.60 1.10 MPa..
2. Salivary contamination did not affect the tensile bond strength when compared with
the uncontaminated enamel group in Fuji Ortho LC and Vitremer (p>0.05) and there
was great significant difference in the tensile bond strength of Ortho-One and Advance.
3. Advance, Ortho-One and Fuji Ortho LC seemed to have clinically a proper bond
strength.

Å°¿öµå

·¹Áø °­È­Çü ±Û·¡½º ¾ÆÀÌ¿À³ë¸Ó ½Ã¸àÆ®; Á¢Âø °­µµ; Ÿ¾× ¿À¿°; Resin Modified glass ionomer cement; Bond strength; Saliva contamination;

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