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A Study of Primary Enamel Pretreaends and their effects on Composite resin retention

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Abstract

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ÇÏÁö¾ÊÀº »óÅ·Π60ÃÊ, 90ÃÊ, 120Ãʼ½ 37% ÀλêÀ¸·Î ºÎ½Ä½ÃŲ ÈÄ º¹ÇÕ·¹ÁøÀ» ºÎÂøÇÏ°í, ³ª
¸ÓÁö Ä¡¾Æµé¿¡¼­´Â ¿¬¸¶ÇÑ »óÅ·Π60ÃÊ, 120Ãʾ¿ »êºÎ½Ä ÈÄ bonding agent¸¦ µµÆ÷Çϰųª
coupling agent¸¦ µµÆ÷ÇÑ ÈÄ º¹ÇÕ·¹ÁøÀ» ºÎÂøÇÏ¿© Àü´Ü°­µµ·ü ÃøÁ¤ÇÑ °á°ú ´ÙÀ½°ú °°Àº °á
·ÐÀ» ¾ò¾ú´Ù.
1. ¿îÄ¡¿Ü ¹ý¶ûÁú Ç¥¸é¿¡¼­ 60ÃÊ, 90ÃÊ, 120ÃÊ »êºÎ½ÄÇÑ °æ¿ì Á¢ÇÕ·ÂÀÇ Â÷ÀÌ°¡ ¾ø¾ú´Ù.
2. ¿¬¸¶¸¦ ½ÃÇàÇÑ ±º¿¡¼­ÀÇ Á¢ÇÕ·ÂÀÌ ½ÃÇàÇÏÁö ¾ÊÀº ±º¿¡¼­ÀÇ Á¢ÇÕ·Â º¸´Ù Å« °ªÀ» ³ªÅ¸
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3. °°Àº½Ã°£ »êºÎ½ÄÇÑ °æ¿ì bonding agent¸¦ »ç¿ëÇÑ ±º¿¡¼­ÀÇ Á¢ÇÕ·ÂÀÌ »ç¿ëÇÏÁö ¾ÊÀº ±º
¿¡¼­ÀÇ Á¢ÇÕ·Â º¸´Ù Å« °ªÀ» ³ªÅ¸¹ø´Ù.
4. °°Àº½Ã°£ »êºÎ½ÄÇÑ °æ¿ì, coupling agent¸¦ »ç¿ëÇÑ ±º°ú »ç¿ëÇÏÁö ¾ÊÀº ±º¿¡¼­ÀÇ Á¢ÇÕ
·Â °£¿¡´Â À¯ÀÇÂ÷°¡ ¾ø¾ú´Ù.
#ÃÊ·Ï#
The effects of various enamel pretreatments on bonding strength between Primary
enamel and composite resin were investigated by measuring the shear strength of
samples. Pretreatment included: Grinding of outer enamel surface, varied exposure time
to 37% Phosphoric acid, and the use of the bonding agent and coupling agent.
The results were as follows:
1. The mean bond strengths obtained after 3 different etching times were not
significantly different(p>0.05).
2. Grinding of outer enamel surface enhanced the bond strength between the enamel
surfaces and composite resins.
3. An use of bonding agent with composite resin, enhanced the bond strength between
the enamel surfaces and composite resins.
4. An use of coupling agent with composite resin, did not influence on bond strength
between the enamel and composite resin surfaces.

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