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Technical complications of cement-retained implant-supported single crowns and splinted crowns with zirconia frameworks

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À¯»óÃá ( You Sang-Choon ) - °¡Ãµ´ëÇб³ ±æº´¿ø Ä¡°úº¸Ã¶°ú
¹èÁ¤À± ( Bae Jung-Yoon ) - °¡Ãµ´ëÇб³ ±æº´¿ø Ä¡°úº¸Ã¶°ú

Abstract

¸ñÀû: Áö¸£ÄÚ´Ï¾Æ ÇÁ·¹ÀÓ¿öÅ©¸¦ ÀÌ¿ëÇÑ ½Ã¸àÆ® À¯ÁöÇü ÀÓÇöõÆ®-ÁöÁö ´ÜÀÏ Å©¶ó¿î°ú ¿¬°á Å©¶ó¿îÀÇ ¼º°ø·ü°ú º¸Ã¶Àû ÇÕº´ÁõÀ» ÀÓ»óÀûÀ¸·Î Æò°¡ÇÏ´Â °ÍÀÌ´Ù.

´ë»ó ¹× ¹æ¹ý: 67¸íÀÇ È¯ÀÚ¿¡¼­ 75°³ ¼öº¹¹°(´ÜÀÏ 51°³, ¿¬°á 24°³)À» Áö¸£ÄÚ´Ï¾Æ ÇÁ·¹ÀÓ¿öÅ©¸¦ ÀÌ¿ëÇÑ ½Ã¸àÆ® À¯ÁöÇü ÀÓÇöõÆ®-ÁöÁö ´ÜÀÏ Å©¶ó¿î ȤÀº ¿¬°á Å©¶ó¿îÀ¸·Î ¼öº¹Çß´Ù. ¸ðµç ¼öº¹¹°Àº Àӽà ½Ã¸àÆ®·Î ÇÕÂøÇß´Ù. º¸Ã¶Àû ÇÕº´Áõ°ú ¼º°ø·üÀ» Á¶»çÇÏ°í, ³ªÀÌ, ¼ºº°, º¸Ã¶¹°ÀÇ À§Ä¡, ´ëÇÕÄ¡, º¸Ã¶¹°ÀÇ À¯ÇüÀÌ º¸Ã¶Àû ÇÕº´Áõ¿¡ ¹ÌÄ¡´Â ¿µÇâÀ» Æò°¡Çß´Ù.

°á°ú:Æò±Õ 22.2°³¿ùÀÇ °üÂû °á°ú, ÃÖÁ¾ ´©Àû ¼º°ø·üÀº 66.9 (73.2 - 60.6)%¿´´Ù. À¯Áö »ó½ÇÀÌ 16°³ º¸Ã¶¹°(´ÜÀÏ 14°³, ¿¬°á 2°³)¿¡¼­ ³ªÅ¸³µ°í, Áö´ëÁÖ ³ª»ç Ç®¸²°ú ºñ´Ï¾î µµÀç ÆÄÀýÀº ´ÜÀÏ Å©¶ó¿î¿¡¼­¸¸ °¢°¢ 2°³ÀÇ º¸Ã¶¹°¿¡¼­ ³ªÅ¸³µ´Ù. ´ÜÀÏ Å©¶ó¿î°ú ¿¬°á Å©¶ó¿î¿¡ ´ëÇÑ Kaplan-Meier »ýÁ¸ºÐ¼® °á°ú, ÃÖÁ¾ ´©Àû ¼º°ø·üÀº °¢°¢ 58.9 (66.6 - 51.2)%, 87.5 (96.1 - 78.9)%¸¦ º¸¿© Åë°èÀûÀ¸·Î À¯ÀÇÇÑ Â÷ÀÌ°¡ ÀÖ¾úÁö¸¸, ´Ù¸¥ °í·Á ¿äÀεéÀº º¸Ã¶Àû ÇÕº´Áõ¿¡ Åë°èÀûÀ¸·Î À¯ÀǼºÀÌ ¾ø¾ú´Ù.

°á·Ð: º¸Ã¶Àû ÇÕº´ÁõÀº À¯Áö »ó½ÇÀÌ °¡Àå ¸¹¾Ò°í, Áö´ëÁÖ ³ª»ç Ç®¸² ¹× ºñ´Ï¾î µµÀç ÆÄÀýÀº ´ÜÀÏ Å©¶ó¿î¿¡¼­¸¸ ºñ±³Àû Àû°Ô °üÂûµÇ¾ú´Ù. ³ªÀÌ, ¼ºº°, º¸Ã¶¹°ÀÇ À§Ä¡, ´ëÇÕÄ¡¿¡ µû¸¥ º¸Ã¶Àû ÇÕº´Áõ¿¡ ¹ÌÄ¡´Â ¿µÇâÀº À¯ÀÇÇÑ Â÷ÀÌ°¡ ¾ø¾úÁö¸¸, »óºÎ º¸Ã¶¹°À» ¿¬°á Å©¶ó¿îÀ¸·Î Á¦ÀÛÇßÀ» ¶§, ´ÜÀÏ Å©¶ó¿îÀ¸·Î Á¦ÀÛÇÑ °æ¿ìº¸´Ù ³ôÀº ¼º°ø·üÀ» º¸¿´´Ù.

Purpose: This study was to assess clinically the success rates and technical complications of cement-retained implant-supported single crowns and splinted crowns with zirconia frameworks.

Materials and methods: 75 (single crowns: 51, splinted crowns: 24) cement-retained implant-supported single crowns and splinted crowns with zirconia frameworks which were restored in 67 patients were investigated for the evaluation of the success rates and technical complications. All restorations were cemented with temporary cement. Age, gender, restoration position, opposing teeth, restoration type were assessed as possible factors affecting technical complications.

Results: During the mean observation period of 22.2 months, cumulative success rates of all restorations were 66.9 (73.2 - 60.6)%. Retention loss was found in 16 restorations (single crowns: 14, splinted crowns: 2), abutment screw loosening and veneer porcelain fracture were found in each 2 single crowns, respectively. According to a Kaplan-Meier survival analysis of single crowns and splinted crowns, the cumulative success rates were 58.9 (66.6 - 51.2)%, 87.5 (96.1 - 78.9)%, respectively. There was a statistically significant difference. The other possible factors did not have a significant effect on the technical complications.

Conclusion: Retention loss was the most frequent technical complication. Abutment screw loosening and veneer porcelain fracture were found rarely in single crowns only. Age, gender, restoration position, and antagonist did not have significant effect on the technical complications. Splinted crowns had a higher success rate than single crowns.

Å°¿öµå

Áö¸£ÄÚ´Ï¾Æ ÇÁ·¹ÀÓ¿öÅ© ; º¸Ã¶Àû ÇÕº´Áõ ; ¼º°ø·ü
Zirconia framework ; Technical complications ; Success rate

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KCI
KoreaMed