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Influence of the Dental Implant Abutment Screw Coating Materials on Joint Stability

ÀÓÇöÇÊ, ¹Ú¿µ¼±, ¹æ¸ù¼÷, ¾çÈ«¼Ò, ¹Ú»ó¿ø, À±¼÷ÀÚ,
¼Ò¼Ó »ó¼¼Á¤º¸
ÀÓÇöÇÊ ( Lim Hyun-Phil ) - Àü³²´ëÇб³ Ä¡ÀÇÇÐÀü¹®´ëÇпø º¸Ã¶Çб³½Ç
¹Ú¿µ¼± ( Park Young-Sun ) - Àü³²´ëÇб³ Ä¡ÀÇÇÐÀü¹®´ëÇпø º¸Ã¶Çб³½Ç
¹æ¸ù¼÷ ( Vang Mong-Sook ) - Àü³²´ëÇб³ Ä¡ÀÇÇÐÀü¹®´ëÇпø º¸Ã¶Çб³½Ç
¾çÈ«¼Ò ( Yang Hong-So ) - Àü³²´ëÇб³ Ä¡ÀÇÇÐÀü¹®´ëÇпø º¸Ã¶Çб³½Ç
¹Ú»ó¿ø ( Park Sang-Won ) - Àü³²´ëÇб³ Ä¡ÀÇÇÐÀü¹®´ëÇпø º¸Ã¶Çб³½Ç
À±¼÷ÀÚ ( Yoon Suk-Ja ) - Àü³²´ëÇб³ Ä¡ÀÇÇÐÀü¹®´ëÇпø Ä¡°ú¹æ»ç¼±Çб³½Ç

Abstract

º» ³í¹®ÀÇ ¸ñÀûÀº ÄÚÆÃó¸®ÀÇ ±â°èÀû ¼ºÁú°ú ÀÓÇöõÆ® Áö´ëÁÖ³ª»çÀÇ ÄÚÆÃ󸮰¡ °íÁ¤Ã¼¿ÍÀÇ °áÇÕ¾ÈÁ¤¼º¿¡ ¹ÌÄ¡´Â ¿µÇâÀ» ¿¬±¸ÇÏ°íÀÚ ÇÔÀÌ´Ù. À̸¦ À§ÇØ Megagen ÀÓÇöõÆ® ½Ã½ºÅÛ°ú Á÷°æ 15 mm, ³ôÀÌ 1 mmÀÇ Æ¼Å¸´½¿øÆÇÀ» »ç¿ëÇÏ¿´´Ù. Áö´ëÁÖ ³ª»ç¿Í ¿øÆÇ¿¡ TiN, TiCN, ¹× TiC¸¦ ÄÚÆÃÇÏ¿© ½ÇÇ豺À¸·Î, ÄÚÆÃó¸®ÇÏÁö ¾ÊÀº °ÍÀ» ´ëÁ¶±ºÀ¸·Î ÇÏ¿´´Ù. ½ÇÇ豺Àº Áö´ëÁÖ³ª»ç¸¦ 32 Ncm·Î ü°áÇÑ ÈÄ Ç®¸²È¸Àü·Â°ú Á¶ÀÓȸÀü°¢À» ÃøÁ¤ÇÏ°í, 10¸¸ ¹ø¾¿ ÀúÀÛ ¸ð¹æ ½ÃÇèÀ» ½Ç½ÃÇÏ¿© Ç®¸²È¸Àü·ÂÀÇ º¯È­¸¦ °üÂûÇÏ¿´´Ù. Á¶ÀÓȸÀü°¢Àº TiCN, TiCÄÚÆóª»ç¿¡¼­ ÄÚÆÃÇÏÁö ¾ÊÀº ³ª»çº¸´Ù Å©°Ô ³ªÅ¸³µ´Ù(p<0.05). ±×·¯³ª Ç®¸²È¸Àü·ÂÀº TiCN, TiCÄÚÆóª»ç¿¡¼­ ÄÚÆÃÇÏÁö ¾ÊÀº ³ª»çº¸´Ù ³·°Ô ³ªÅ¸³µ´Ù(p<0.05). ÀúÀÛ ¸ð¹æ ½ÃÇèÈÄ ÄÚÆÃÇÑ ³ª»ç¿¡¼­ ÄÚÆÃÇÏÁö ¾ÊÀº ³ª»çº¸´Ù Ç®¸² ȸÀü·ÂÀÌ ´õ ³ô°Ô ³ªÅ¸³µÀ¸¸ç Ç®¸²È¸Àü·ÂÀº °ÇÁ¶»óÅÂ¿Í ½ÀÀ±»óÅ »çÀÌ¿¡ À¯ÀÇÇÑ Â÷ÀÌ°¡ ¾ø¾ú´Ù. ÀÌ»óÀÇ °á°ú·Î TiC ÄÚÆñºÀº ÀúÀÛ ¸ð¹æ ½ÃÇè Àü¿¡´Â Ç®¸²È¸Àü·ÂÀÌ ³·¾ÒÁö¸¸ ÀúÀÛ ¸ð¹æ ½ÃÇè ÈÄ¿¡´Â ³·Àº ¸¶Âû°è¼ö·Î ÀÎÇÑ ³ôÀº Ç®¸²È¸Àü·Â°ú Á¶ÀÓȸÀü°¢À» °¡Á® ÀÓÇöõÆ® Áö´ëÁÖ³ª»çÀÇ °áÇÕ¾ÈÁ¤¼º¿¡ ¿µÇâÀ» ¹ÌÄ¡´Â È¿À²ÀûÀÎ ¹æ¹ýÀÓÀ» ½Ã»çÇÑ´Ù.

The aim of this study was to evaluate effect of implant abutment screw coating treatment on joint stability, investigating mechanical properties of these. For this study used ExFeel¢ç external hexed implant system and 15 §® ¡¿ 1 §® discs . Experimental group was 1 §­ TiN, TiCN, TiC coated abutment screws and discs .To know mechanical property, i evaluated adhesion strength, surface hardness, using disc, corrosion test using screw. The results were as follows : rotation angle of coated screws increased than that of non-coated screw because of lower friction coefficient, especially TiC coated screw group had the largest value, but removal torque decreased in all coated screws (p<0.05). Torque loss before and after fatigue test was the smallest in TiC-coated screws, and the largest in non-coated screws (p<0.05), and there was no statistically significant difference between dry condition and wet condition of screws because of higher surface hardness and lower friction coefficient. From the above results, TiN, TiCN, TiC coating group had high abrasion resistance, especially TiC coated group which had low torque-consuming, high rotation angle as low friction coefficient will be considered to influence on implant abutment screw joint stability positively.

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joint stability;removal torque;rotation angle;screw loosening

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