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AN EXPERIMENTAL STUDY ON FLUORIDE RELEASE AND TENSILE STRENGTH OF DENIAL MATERIALS (FUJI ¥±, VITREBOND, XR-IONOMER)

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Abstract

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¼¼ Á¾·ùÀÇ glass ionomer cement¸¦ 1½Ã°£, 24½Ã°£, 30ÀÏ µ¿¾È Áõ·ù¼ö¿¡ º¸°üÇÏ¿© °¢ ±â°£
µ¿¾È À¯¸®µÈ ºÒ¼ÒÀÇ ¾ç ¹× À̶§ÀÇ ÀÎÀå °­µµ¸¦ ÃøÁ¤ÇÏ¿© ´ÙÀ½°ú °°Àº °á°ú¸¦ ¾ò¾ú´Ù.
1. ¼¼ Àç·á ¸ðµÎ °¢ ±â°£ µ¿¾È À¯¸®µÈ ºÒ¼ÒÀÇ ¾çÀº Áõ°¡ÇÏ¿´À¸¸ç ÀÌµé »çÀÌ¿¡´Â ÇöÀúÇÑ
Åë°èÇÐÀû À¯ÀÇÂ÷¸¦ º¸¿´´Ù(P<0.01).
2. Fuji ¥±, XR-monomerÀÇ °æ¿ì ½Ã°£ÀÌ °æ°úÇÒ¼ö·Ï ÀÎÀå °­µµ´Â ¾à°£ Áß°¡ÇÏ¿´À¸³ª ÀÌ
µé »çÀÌ¿¡¼­ Åë°èÇÐÀû À¯ÀÇÂ÷´Â ¾ø¾ú´Ù(P<0.01).
3. VitrebondÀÇ °æ¿ì ½Ã°£ÀÌ °æ°úÇÒ ¼ö·Ï ÀÎÀå °­µµ´Â ´Ù¼Ò °¨¼ÒÇÏ¿´°í 1½Ã°£°ú´Â Åë°èÇÐ
Àû Â÷À̸¦ º¸¿´À¸³ª 24½Ã°£°ú 30ÀÏ »çÀÌ¿¡¼­´Â Åë°èÇÐÀû À¯ÀÇÂ÷¸¦ º¼ ¼ö ¾ø¾ú´Ù(P<0.01).
ÀÌ»óÀÇ °á°ú·Î º¼ ¶§ glass ionomer cement´Â ½Ã°£ÀÌ °æ°úÇصµ ¾àÇØÁöÁö ¾Ê´Â ÀÎÀå °­µµ
¸¦ º¸¿´À¸¸ç ºÒ¼ÒÀÇ Áö¼ÓÀûÀÎ À¯¸®´Â ¿ì½Ä È°¼ºµµ°¡ ³ôÀº ¼Ò¾ÆȯÀÚÀÇ À¯Ä¡¼öº¹¿¡ ³Î¸® »ç¿ë
µÉ ¼ö ÀÖ´Â Àç·á¶ó »ç·áµÈ´Ù.
#ÃÊ·Ï#
In this study, three kinds of glass ionomer cement(Fuji ¥±, Vitrebond, XR-Ionomer)
were evaluated for fluoride release and change of tensile strength.
Measurements of fluoride concentration released in solution from disc(2.5¡¿4.0§®) made
of selected materials and tensile strength were performed 1hr, 24hrs and 30days after
the experiment.
The results of this study were as follows.
1. The amount of fluoride release from all of the three materials increased during the
experimental period, and there was a statistical significance between them.
2. Fuji ¥±, XR-Ionomer showed slight increase in tensile strength as time passed ;
however, no statistical significance was found between them(P<0.01).
3. Vitrebond showed a decrease in tensile strength as the time passed : the result
obtained after one hour showed a statistical significance, but none showed between the
result obtained after 24hours and 30days(P<0.01).
From these studies, glass ionomer cement showed tensile strength that did not
decrease through the time.
Also, its continuous release of fluoride qualifies glass ionomer cement as a useful
material to be used in restoration of primary dentition with high carious activity.

Å°¿öµå

Fluoride release; Tensile strength;

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