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An Experimental Study on the Shear Bond Strength of Fluoride-Containing Sealant and Non-Fluoride Containing Sealant

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Abstract

°á·Ð
ÇöÀç ÀÓ»ó¿¡¼­ ¸¹ÀÌ »ç¿ëµÇ°í ÀÖ´Â Åë»óÀÇ Àü»öÁ¦¿Í ºÒ¼ÒÀ¯¸® Àü»öÁ¦ÀÇ ÀüÅ»°áÇÕ°­µµ¿Í ÆÄ
Àý¾ç»óÀ» ºñ±³ ºÐ¼®ÇÒ ¸ñÀûÀ¸·Î ½ÇÇèÀ» ÇÏ¿´´Ù. ¿ìÄ¡ 80°³¸¦ ¹«ÀÛÀ§·Î 4±ºÀ¸·Î ³ª´©¾î¼­ ¹ý
¶ûÁú ¸éÀ» ³ëÃâ½ÃŲ ½ÃÆíÀ» Á¦ÀÛÇÏ¿© Á¦ 1±ºÀº Teethmate-A(Kuraray Co.), Á¦ 2±ºÀº
Teethmate-F(Kuraray Co.) Á¦ 3±ºÀº Helioseal(Vivadent Co.), Á¦ 4±ºÀº Helioseal-F
(Vivadent Co.)¸¦ Á¢Âø½ÃÄÑ Àç·á½ÃÇè±â¸¦ ÀÌ¿ëÇÏ¿© Àü´Ü °áÇÕ°­µµ¸¦ ÃøÁ¤ÇÏ°í ÀüÀÚÇö¹Ì°æÀ¸
·Î ÆÄÀý ¾ç»óÀ» °üÂûÇÏ¿© ´ÙÀ½°ú °°Àº °á·ÐÀ» ¾ò¾ú´Ù.
1. Àü´Ü°áÇÕ°­µµ´Â Teethmate-A±º¿¡¼­ °¡Àå ³ôÀº ¼öÄ¡¸¦ º¸¿´À¸¸ç(18.31MPa),
Helioseal(11.90MPa), Helioseal-F(11.75MPa), Teethmate-F(11.74MPa)¼øÀ¸·Î ³·°Ô ³ªÅ¸³µ
´Ù.
2. Teethmate-A±ºÀº Teethmate-A±ºº¸´Ù Àü´Ü °áÇÕ°­µµ°¡ Å©°í, Åë°èÇÐÀûÀ¸·Î À¯ÀÇÇÑ Â÷
À̸¦ º¸¿´À¸³ª, Helioseal±ºÀº Helioseal-F±ºº¸´Ù Àü´Ü °áÇÕ°­µµ°¡ ¾à°£ Å©°í Åë°èÇÐÀûÀ¸·Î
À¯ÀÇÇÑ Â÷ÀÌ´Â ¾ø¾ú´Ù(p<0.05).
3. ÁÖ»çÀüÀÚÇö¹Ì°æÀ¸·Î °üÂû½Ã, Teethmate-A±ºÀº cohesive failure¸¦ º¸¿´°í, Teethmate-F
±º°ú Helioseal±º¿¡¼­´Â cohesive failure¿Í adhesive failure°¡ È¥ÇÕµÈ ¾ç»óÀ» º¸¿´À¸¸ç,
Helioseal-F±º¿¡¼­´Â adhesive failure¸¦ º¸¿´´Ù.
#ÃÊ·Ï#
This study was to evaluate shear bond strength of fluoride-releasing sealant and
non-fluoride releasing sealant to enamel surface of bovine tooth. 80 extracted bovine
teeth were randomly assigned to four groups, and four kinds sealants including
Teethmate-A(Kuraray Co.), Teethmate-F(Kuraray Co.), Helioseal(Vivdent Co.),
Helioseal-F(Vivadent Cd.) were bonded to exposed enamel surfaces using silicon plate.
Shear bond strength was determined in an instron universal testing machine at a cros
shead speed of 1mm/min. Then, the fracture surfaces of test specimens were
investigated with scanning electron microscope. The obtained results were as follows :
1. The shear bond strength decreased in the following order : Teethmate-A(18.31MPa),
Teethmate-F(11.90MPa), Helioseal (11.74 MPa), Helioseal-F(10.64MPa).
2. The shear bond strength of Teethmate-A showed significantly higher than that of
Teethmate-F(P<0.05), but Helioseal and Helioseal-F didn't showed statistically
different(P<05).
3. According to the SSM, Teethmate-A group showed cohesive failure, and
Teethmate-A group & Helioseal group showed mixed pattern of cohesive and adhesive
failure and Helioseal-F group showed adhesive failure.

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