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Influence of Implant Abutment Systems on Detorque Value and Screw Joint Stability
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ÃÖÀ¯¼º ( Choi Yu-Sung ) - ´Ü±¹´ëÇб³ Ä¡°ú´ëÇÐ Ä¡°úº¸Ã¶Çб³½Ç
Á¶ÀÎÈ£ ( Cho In-Ho ) - ´Ü±¹´ëÇб³ Ä¡°ú´ëÇÐ Ä¡°úº¸Ã¶Çб³½Ç
KMID : 1004520100260020097
Abstract
¿¬±¸¸ñÀû : ¿¬±¸´Â ÀÓÇ÷£Æ® Áö´ëÁÖ¿¡ µ¿ÀûÇÏÁßÀ» °¡Çϱâ Àü, ÈÄÀÇ Ç®¸²ÅäÅ© º¯È¸¦ ÃøÁ¤ÇÔÀ¸·Î½á ¼öÁ¾ÀÇ Áö´ëÁÖ¿¡ °¡
ÇØÁø ´Ü±â°£ÀÇ ±³ÇÕ·ÂÀÌ ÀÓÇ÷£Æ®-Áö´ëÁÖÀÇ ¾ÈÁ¤¼º¿¡ ¿µÇâÀ» ¹ÌÄ¡´ÂÁö¸¦ ¿¬±¸ÇÏ°íÀÚ ÇÏ¿´´Ù.
Àç·á ¹× ¹æ¹ý: ÀÓÇ÷£Æ® °íÁ¤Ã¼´Â ¿ÜºÎÀ°°¢±¸Á¶¸¦ »ç¿ëÇÏ¿´°í, ƼŸ´½ÇÕ±Ý Áö´ëÁÖ, Áö¸£ÄÚ´Ï¾Æ Áö´ëÁÖ, ÁÖÁ¶ ±ÝÇÕ±Ý Áö´ëÁÖÀÎ UCLA plastic abutment¸¦ »ç¿ëÇÏ¿´´Ù. Ãʱâ Ç®¸²È¸Àü·ÂÀ» ÃøÁ¤ÇÏ°í, ÇÏÁßÀ» 105 ȸ °¡ÇÑÈÄ, Ç®¸²È¸Àü·ÂÀ» ÃøÁ¤ÇÏ¿´´Ù. Ãʱâ Ç®¸²È¸Àü·Â »ó½Ç·ü, ÇÏÁßÈÄ Ç®¸²È¸Àü·Â »ó½Ç·ü, µ¿ÀûÇÏÁß¿¡ ÀÇÇÑ Ç®¸²È¸Àü·Â »ó½Ç·üÀ» °è»êÇÏ¿´´Ù.
°á°ú : Ãʱâ Ç®¸²È¸Àü·Â, µ¿Àû ÇÏÁßÈÄ Ç®¸²È¸Àü·Â, Ãʱâ Ç®¸²È¸Àü·Â »ó½Ç·ü, µ¿Àû ÇÏÁßÈÄ Ç®¸²È¸Àü·Â »ó½Ç·ü, µ¿Àû ÇÏÁß
¿¡ ÀÇÇÑ Ç®¸²È¸Àü·Â »ó½Ç·üÀº °¢ Áö´ëÁÖ°£ À¯ÀÇÇÑ Â÷À̸¦ ³ªÅ¸³»Áö ¾Ê¾Ò´Ù. ¶ÇÇÑ, °¢ Áö´ëÁÖ ³»¿¡¼ µ¿Àû ÇÏÁßÀüÈÄÀÇ Ç®¸²È¸Àü·ÂÀº Åë°èÀûÀ¸·Î À¯ÀÇÇÑ Â÷À̸¦ ³ªÅ¸³»Áö ¾Ê¾Ò´Ù.
°á·Ð : Titanium, zirconia, UCLA Áö´ëÁÖÀÇ Ãʱ⠳ª»çÇ®¸²Àº Áö´ëÁÖ°£ À¯ÀÇÇÑ Â÷ÀÌ°¡ ¾øÀ½À» ¾Ë ¼ö ÀÖ¾ú°í, ÃʱâÀÇ ÀúÀÛ
·ÂÀº ÇÏÁßÀüÈÄ ³ª»çÇ®¸²¿¡ Å« ¿µÇâÀ» ÁÖÁö ¾Ê´Â´Ù°í »ý°¢µÈ´Ù. ¶ÇÇÑ, UCLA, zirconia, titanium
Purpose: This study was designed to evaluate the influence of implant abutment materials on detorque value and screw joint stability before and after dynamic fatigue test.
Materials and Methods : The external hexagonal fixture and three different groups of abutment (titanium abutments, zirconia abutments, and UCLA abutments) were used. The detorque value before loading and after loading (cyclic loading up to 105 cycles) of the abutment screw were measured.
Result:
1. There was no significant difference in detorque value before loading among the each group.
2. There was no significant difference in detorque value after loading among the each group.
3. Detorque values before and after cyclic loading in each group were not significantly different.
4. There was no significant difference in loss percentage of removal torque before loading among the each group.
5. There was no significant difference in loss percentage of removal torque after loading among the each group.
6. There was no significant difference in loss percentage of removal torque according to loading among the each group.
Conclusion:Short term screw loosening of three types of abutment was not significantly different. When bite force was applied, there was no significant difference in screw loosening between before loading and after loading.
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Screw loosening; Zirconia; Dynamic loading; Torque; UCLA; Titanium
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