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An Esthetic Restoration of the Missing Maxillary Anterior Teeth with the Rotational Path RPD: A Case Report

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ÀÌÁöÇý ( Lee Ji-Hye ) - °­¸ª¿øÁÖ´ëÇб³ Ä¡°ú´ëÇÐ º¸Ã¶Çб³½Ç
ÀӼҹΠ( Lim So-Min ) - °­¸ª¿øÁÖ´ëÇб³ Ä¡°ú´ëÇÐ º¸Ã¶Çб³½Ç
Á¤ÇýÀº ( Jung Hye-Eun ) - °­¸ª¿øÁÖ´ëÇб³ Ä¡°ú´ëÇÐ º¸Ã¶Çб³½Ç
¹ÚÂùÁø ( Park Chan-Jin ) - °­¸ª¿øÁÖ´ëÇб³ Ä¡°ú´ëÇÐ º¸Ã¶Çб³½Ç
Á¶¸®¶ó ( Cho Lee-Ra ) - °­¸ª¿øÁÖ´ëÇб³ Ä¡°ú´ëÇÐ º¸Ã¶Çб³½Ç
±è´ë°ï ( Kim Dae-Gon ) - °­¸ª¿øÁÖ´ëÇб³ Ä¡°ú´ëÇÐ º¸Ã¶Çб³½Ç

Abstract

»ó½ÇµÈ »ó¾Ç ÀüÄ¡ºÎ´Â °íÁ¤¼º º¸Ã¶¹°À̳ª °¡Ã¶¼º º¸Ã¶¹° ¶Ç´Â ÀÓÇöõÆ® º¸Ã¶ µî ´Ù¾çÇÑ ¹æ¹ýÀ» ÅëÇÏ¿© ¼öº¹ÇÒ ¼ö ÀÖ´Ù. ÀÌ Áß ÀûÀýÇÏ°Ô Á¦ÀÛµÈ È¸Àü»ðÀÔ·Î ±¹¼ÒÀÇÄ¡´Â °æÁ¦Àû, ÇغÎÇÐÀû ÇѰ踦 °¡Áø ȯÀÚ¿¡¼­ ±â´ÉÀû, ½É¹ÌÀûÀ¸·Î ¿ì¼öÇÑ °á°ú¸¦ º¸ÀÏ ¼ö ÀÖ´Ù. ȸÀü»ðÀÔ·Î ±¹¼ÒÀÇÄ¡´Â ÀϹÝÀû ±¹¼ÒÀÇÄ¡ÀÇ ÀÏÁ÷¼± »ðÀԷοʹ ´Þ¸® ±¹¼ÒÀÇÄ¡ÀÇ ÇÑ ÂÊ À¯ÁöÀåÄ¡ºÎ°¡ ¸ÕÀú ÀåÂøµÈ µÚ ȸÀüÇϸ鼭 ¹Ý´ëÂÊÀÇ À¯ÁöºÎ°¡ »ðÀԵǾî ÀÇÄ¡°¡ ¾ÈÂøµÈ´Ù. ÀÌ ¶§ ¾ð´õÄÆ ¼Ó¿¡ À§Ä¡ÇÏ´Â °ß°íÇÑ ºÎ¿¬°áÀåÄ¡¿¡¼­ À¯Áö·ÂÀ» ȹµæÇÏ°í ȸÀü»ðÀÔ·Î¿Í ÆòÇàÇÏ°Ô ±ä ¼ö·ÎÇü ȤÀº ±¸¹ÌÇü(dovetail) ·¹½ºÆ® ½ÃÆ®¿¡¼­ ÁöÁö ¹× ÆÄÁö¸¦ ¾òÀ¸¹Ç·Î ÀϹÝÀûÀÎ °¡¿ä¼º À¯Áö¾Ï ¹× ÆÄÁö¾ÏÀ» »ý·«ÇÒ ¼ö ÀÖ¾î ½É¹ÌÀûÀ¸·Î ¿ì¼öÇÏ°í À§»ý °ü¸®¿¡µµ À¯¸®ÇÏ´Ù. ±×·¯³ª ȸÀü»ðÀÔ·Î ±¹¼ÒÀÇÄ¡¿¡¼­ Çѹø Á¦ÀÛµÈ °ß°íÇÑ À¯ÁöºÎ´Â Á¤±³ÇÑ Á¶ÀýÀÌ ºÒ°¡´ÉÇØ »ó´ëÀûÀ¸·Î ±â°øÀÛ¾÷ÀÌ ¾î·Æ°í Á¤¹ÐÇÑ º¸Ã¶¹° µðÀÚÀÎÀÌ ÇÊ¿äÇϹǷΠÀÓ»óÀûÀÎ ¼º°øÀ» À§Çؼ­´Â ȸÀü»ðÀÔ·Î ±¹¼ÒÀÇÄ¡ÀÇ ¿ø¸®¿¡ ´ëÇÑ ±íÀº ÀÌÇØ°¡ ÇÊ¿äÇÏ´Ù. À̹ø Áõ·Êº¸°í´Â ȸÀü»ðÀÔ·Î ±¹¼ÒÀÇÄ¡¸¦ ÀåÂøÇÑ ÈÄ Àå±âÀûÀÎ À¯Áö°ü¸®ÀÇ ¾î·Á¿òÀ» °ÞÀº Áõ·Ê¸¦ ¼Ò°³ÇÏ°í À̸¦ ¿¹¹æÇÒ ¼ö ÀÖ´Â ÀÌ·ÐÀû, ±â°øÀû ÁÖÀÇ»çÇ×À» º¸°íÇÏ°íÀÚ ÇÑ´Ù.

Missing anterior teeth can be replaced using any of a number of methods. Patients may choose to replace missing teeth with a prosthesis that is either removable, fixed, or retained with implants. For patients faced with financial, anatomical, and/or esthetic limitations, the edentulous region can be restored successfully and esthetically with a properly designed and fabricated rotational path RPD. The rotational path RPD is a partial removable dental prosthesis that incorporates a curved, arcuate, or variable path of placement allowing one or more of the rigid components of the framework to gain access to and engage an undercut area. The rigid retainer must gain access to the infrabulge portion of the tooth by rotating into place. Either a minor connector or proximal plate provides retention through its intimate contact with a proximal tooth surface. A specially designed dovetails or asymmetric rest seats provides support and embracing effects. Correctly designed and fabricated rotational path RPD can provide improved esthetics, cleanliness, and retention. But rotational path RPDs are technique sensitive since the rotational path RPD has little margin of laboratory error that rigid retainers cannot be adjusted like conventional clasps can, RPD framework must be remade once the retention is lost. The sufficient understanding of the concept for the rotational path RPD is required for clinically successful treatment. This clinical report describes in detail the theoretical, laboratory considerations and the treatment of a patient with an anterior maxillary edentulous area treated by an AP path rotational RPD that had a difficulty in long term maintenance and describes another clinical case in which more reasonable treatment procedures were approached after analyzing the former case.

Å°¿öµå

ȸÀü»ðÀÔ·Î ±¹¼ÒÀÇÄ¡;ÀüÄ¡ºÎ ½É¹Ì ¼öº¹;À¯Áö·Â Á¶Àý
rotational path RPD;esthetic anterior restoration;control of retention

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