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Bond Strength of Band on Zirconia Crown with Compomer and Resin Cement

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±èÁöÈÆ ( Kim Ji-Hun ) - ¿¬¼¼´ëÇб³ ¿øÁÖ¼¼ºê¶õ½º±âµ¶º´¿ø ¼Ò¾ÆÄ¡°ú

Abstract

ÀÌ ¿¬±¸ÀÇ ¸ñÀûÀº Áö¸£ÄÚ´Ï¾Æ ±â¼º°ü¿¡ ´ëÇÑ ±³Á¤¿ë ¹êµåÀÇ Á¢ÂøÁ¦·Î¼­ ÄÄÆ÷¸Ó ½Ã¸àÆ®¿Í ·¹Áø ½Ã¸àÆ®¸¦ Æò°¡ÇÏ°íÀÚ ÇÏ¿´´Ù.
ÃÑ 30°³ÀÇ ½ÃÆíÀ» ÁغñÇÏ¿´´Ù. »ó¾Ç ¿ìÃø Á¦ 2À¯±¸Ä¡ÀÇ ½ºÅ×Àθ®½º ½ºÆ¿ ±â¼º°ü¿¡ ÄÄÆ÷¸Ó ½Ã¸àÆ®·Î ±³Á¤¿ë ¹êµå¸¦ Á¢ÂøÇÑ ¥°±º°úÁö¸£ÄÚ´Ï¾Æ ±â¼º°ü¿¡ ÄÄÆ÷¸Ó ½Ã¸àÆ®·Î ¹êµå¸¦ Á¢ÂøÇÑ ¥±±º, Áö¸£ÄÚ´Ï¾Æ ±â¼º°ü¿¡ ·¹Áø ½Ã¸àÆ®·Î ¹êµå¸¦ Á¢ÂøÇÑ ¥²±ºÀ¸·Î ³ª´©¾ú°í ¹êµåÀÇ °áÇÕ·ÂÀ» ÃøÁ¤Çϱâ À§ÇØ ÀÎÀå·ÂÀ» °¡ÇÏ¿´´Ù.
¥°±º, ¥±±º°ú ¥²±ºÀÇ °áÇÕ·ÂÀÇ Æò±Õ°ªÀº °¢°¢ 0.79 MPa, 1.09 MPa ±×¸®°í 1.56 MPa¿´´Ù. ¥±±ºÀÌ ¥°±ºº¸´Ù À¯ÀÇÇÏ°Ô ³ôÀº °áÇÕ·ÂÀ»º¸¿´°í, ¥±±º°ú ¥²±º ÀÇ °áÇշ¿¡´Â À¯ÀÇÇÑ Â÷ÀÌ°¡ ¾ø¾ú´Ù.
ÄÄÆ÷¸Ó ½Ã¸àÆ®¿Í ±â´É¼º ´Ü·®Ã¼¸¦ Æ÷ÇÔÇÑ ·¹Áø ½Ã¸àÆ®´Â À¯±¸Ä¡ Áö¸£ÄÚ´Ï¾Æ ±â¼º°ü¿¡ ´ëÇÑ ±³Á¤¿ë ¹êµåÀÇ ½Ã¸àÆ®·Î¼­ ¾çÈ£ÇÑ °áÇÕ·ÂÀ» º¸¿´´Ù.

The aim of this study was to evaluate the compomer cement and resin cement as an orthodontic band cement on zirconia crown.
A total of 30 specimens were prepared. Preformed stainless steel crowns and zirconia crowns of upper right second primary molar were used. Orthodontic bands were cemented on stainless steel crowns (Group ¥°, n = 10) and zirconia crowns (Group ¥±, n = 10) with compomer cement. The other bands were cemented on zirconia crowns with resin cement (Group ¥², n = 10). The tensile loads were applied to band to measure the bond strength.
The mean of bond strengths of group ¥°, ¥± and ¥² were 0.79 MPa, 1.09 MPa and 1.56 MPa respectively. Bond strength of group ¥± is significantly higher than group ¥°. There was no significant difference between group ¥± and ¥².
Compomer cement and resin cement containing functional monomers showed favorable bond strength of orthodontic bands.

Å°¿öµå

Bond strength; Orthodontic band; Preformed zirconia crown

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