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Modified resin-bonded fixed partial dentures utilizing tooth undercuts

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µµ·¹¹Ì, À̱ٿì,
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µµ·¹¹Ì ( Doh Re-Mee ) - ¿¬¼¼´ëÇб³ Ä¡°ú´ëÇÐ º¸Ã¶°úÇб³½Ç
À̱ٿì ( Lee Keun-Woo ) - ¿¬¼¼´ëÇб³ Ä¡°ú´ëÇÐ Ä¡°úº¸Ã¶Çб³½Ç

Abstract

¿¬±¸ ¸ñÀû: ÀüÅëÀûÀÎ ÃʱâÀÇ Á¢Âø¼º °íÁ¤¼º º¸Ã¶¹°ÀÌ °¡´ÉÇÑ º¸Á¸ÀûÀÌ°í °¡¿ªÀûÀÎ Ä¡·á¸¦ Ãß±¸ÇßÁö¸¸ À¯Áö·ÂÀÇ »ó½ÇÀÌ Å« ¹®Á¦°¡ µÇ¸é¼­ ÀÓ»óÀû ¼º°ø·üÀÌ ³·Àº ´ÜÁ¡ÀÌ ÀÖ¾ú´Ù. ÀÌ·¯ÇÑ ÇѰ踦 ±Øº¹ÇÏ°íÀÚ ÇÏ´Â ¿©·¯ ¿¬±¸µé Áß, ÀÚ¿¬ Ä¡¾ÆÀÇ ¾ð´õÄÆ°ú ±¸Á¶¹°ÀÇ °¢±â ´Ù¸¥ »ðÀԷθ¦ ÀÌ¿ëÇÏ¿© À¯Áö·ÂÀ» ¾ò´Â 3-pieceÇüÅÂÀÇ º¯ÇüµÈ Á¢Âø¼º °íÁ¤¼º º¸Ã¶¹°ÀÌ Á¦¾ÈµÇ¾ú´Ù. ÀÌ ¿¬±¸ÀÇ ¸ñÀûÀº º¯ÇüµÈ ÇüÅÂÀÇ Á¢Âø¼º °íÁ¤¼º º¸Ã¶¹°À» ÀÌ¿ëÇÏ¿© ¼öº¹ Ä¡·á¸¦ ¹ÞÀº ȯÀÚ¿¡ ´ëÇÑ ÈÄÇâÀû ¿¬±¸¸¦ ÅëÇÏ¿© ÀÓ»ó°¡µéÀÇ »ó½ÇÄ¡ ¼öº¹À» À§ÇÑ Ä¡·á °èȹ ¼ö¸³¿¡ µµ¿òÀ» ÁÖ°íÀÚ ÇÔÀÌ´Ù.

¿¬±¸ Àç·á ¹× ¹æ¹ý: ÇÑ °³ ȤÀº ±× ÀÌ»óÀÇ Ä¡¾Æ°¡ »ó½ÇµÇ¾î ¼öº¹À» ¿äÇÏ¿© 2007³âºÎÅÍ ¿¬¼¼´ëÇб³ Ä¡°ú´ëÇк´¿ø º¸Ã¶°ú¿¡ ³»¿øÇÏ¿© ÀÚ¿¬Ä¡¾ÆÀÇ ¾ð´õÄÆ°ú ±¸Á¶¹°ÀÇ °¢±â ´Ù¸¥ »ðÀԷθ¦ ÀÌ¿ëÇÏ´Â º¯ÇüµÈ ÇüÅÂÀÇ Á¢Âø¼º °íÁ¤¼º º¸Ã¶¹° ¼öº¹ Ä¡·á¸¦ ¹ÞÀº 23¸íÀÇ È¯ÀÚÁß ÁÖ±âÀû °Ë»ç°¡ °¡´ÉÇÑ 21¸íÀ» ´ë»óÀ¸·Î, ÈÄÇâÀûÀ¸·Î ÀÓ»ó ¹× ¹æ»ç¼± °Ë»ç °á°ú¸¦ Æò°¡ÇÏ¿´´Ù.

°á°ú ¹× °á·Ð: ÀÚ¿¬Ä¡¾ÆÀÇ ¾ð´õÄÆ°ú ±¸Á¶¹°ÀÇ °¢±â ´Ù¸¥ »ðÀԷθ¦ ÀÌ¿ëÇÑ Á¢Âø¼º °íÁ¤¼º º¸Ã¶¹°À» ÀÌ¿ëÇÑ 21¸í Áõ·Ê, 71 unitÀÇ ÃÖ´ë25°³¿ù (Æò±Õ 7°³¿ù)°£ÀÇ ÈÄÇâÀû ¿¬±¸¿¡¼­ ´ÙÀ½°ú °°Àº °á°ú¸¦ ¾ò¾ú´Ù. 1. ÀÚ¿¬Ä¡¾ÆÀÇ ¾ð´õÄÆ°ú ±¸Á¶¹°ÀÇ °¢±â ´Ù¸¥ »ðÀԷθ¦ ÀÌ¿ëÇÑ Á¢Âø¼º °íÁ¤¼º º¸Ã¶¹°Àº ´Ü±â°£ÀÇ follow-up ¿¡¼­ º¸Ã¶¹°ÀÇ Å»¶ô, ÆÄÀý µîÀÇ ±â°èÀûÀÎ ½ÇÆа¡ ÀϾÁö ¾Ê¾Ò´Ù. 2. º¸Ã¶¹° ÁÖº¯ÀÇ Ä¡ÁÖÁ¶Á÷Àº ºñ±³Àû ¾ÈÁ¤µÇ¾ú´Ù. 3. ¹æ»ç¼± »çÁø»ó À¯ÀǼº ÀÖ´Â °ñÈí¼ö¸¦ º¸ÀÌÁö ¾Ê¾Ò´Ù.

PURPOSE: The object of this clinical study was to evaluate the short-term outcome of modified resin-bonded fixed partial dentures which utilizes the original tooth undercuts and different path of insertion of components.

MATERIALS AND METHODS: 71 units of modified RBFPDs that were used in 21 patients at the Department of Prosthodontics, College of Dentistry, Yonsei University were evaluated. The follow-up period was up to 25 months, the mean being 7 months. Survival rate, mobility, percussion, probing depth, bleeding on probing, plaque index was recorded and radiographs were taken to monitor alveolar bone loss.

RESULTS AND CONCLUSION: Within the limits of this short term retrospective study, it was concluded that: 1. No mechanical failure such as debonding or fracture of the framework was found during the follow-up period. 2. The periodontal apparatus was stable and no clinical change was observed after prosthetic treatment. 3. No significant marginal bone loss was found in the radiographic evaluation.

Å°¿öµå

Á¢Âø¼º °íÁ¤¼º º¸Ã¶¹°; ÃÖ¼Ò»èÁ¦ º¸Ã¶¹°; Ä¡¾Æ ¾ð´õÄÆ; »ðÀÔ·Î
Modified resin-bonded fixed partial dentures; Minimally invasive restoration; Tooth undercut; Path of insertion

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