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Neutral zone approach for rehabilitation of severely atrophic maxillary and mandibular ridges: A case report

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ÀÌÀÚ¿¬, ÃÖ¼ø¿µ, ÀÌÁöÇö,
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ÀÌÀÚ¿¬ ( Lee Ja-Youn ) - ÇÑÀüÀÇ·áÀç´Ü ÇÑÀϺ´¿ø Ä¡°ú º¸Ã¶°ú
ÃÖ¼ø¿µ ( Choi Sun-Young ) - ÇÑÀüÀÇ·áÀç´Ü ÇÑÀϺ´¿ø Ä¡°ú º¸Ã¶°ú
ÀÌÁöÇö ( Lee Ji-Hyoun ) - ÇÑÀüÀÇ·áÀç´Ü ÇÑÀϺ´¿ø Ä¡°ú º¸Ã¶°ú

Abstract

½ÉÇÏ°Ô Èí¼öµÈ Ä¡Á¶Á¦¸¦ Áö´Ñ ȯÀÚ¿¡°Ô ÀûÀýÇÑ ÀÇÄ¡¸¦ Á¦°øÇϱâ À§ÇÑ ÇÑ °¡Áö ¹æ¹ýÀ¸·Î½á Á߸³´ë Àλó ±â¹ýÀ» ÀÌ¿ëÇÑ ÀÇÄ¡ÀÇ Á¦ÀÛÀ» °í·ÁÇØ º¼ ¼ö ÀÖ´Ù. Á߸³´ë ³»¿¡ Àΰø Ä¡¾Æ¸¦ ¹è¿­ÇÏ´Â °ÍÀº ´ÙÀ½ÀÇ µÎ °¡Áö ¸ñÀûÀ» ÀÌ·ç°íÀÚ ÇÔÀÌ´Ù. ù°, Ä¡¾Æ°¡ Á¤»óÀûÀÎ ±ÙÀ°ÀÇ ±â´ÉÀ» ¹æÇØÇÏÁö ¾Êµµ·Ï Çϱâ À§ÇÔÀ̸ç, µÑ°, ÀÇÄ¡¿¡ ÀúÇ×ÇÏ¿© °¡ÇØÁö´Â ±ÙÀ° Á¶Á÷ÀÇ ÈûÀÌ ¾ÈÁ¤°ú À¯Áö¿¡ ´õ À¯¸®ÇÏ°Ô ÀÛ¿ëÇÒ ¼ö ÀÖµµ·Ï Çϱâ À§ÇÔÀÌ´Ù. º» Áõ·ÊÀÇ È¯ÀÚ´Â ½ÉÇÑ ÀÜÁ¸ Ä¡Á¶Á¦ÀÇ Èí¼ö¸¦ º¸ÀÌ´Â 78¼¼ ¿©ÀÚ È¯ÀÚ·Î ¿À·£ ±â°£ ºÒ¾ÈÁ¤ÇÑ »ó?ÇÏ¾Ç ÃÑÀÇÄ¡¸¦ »ç¿ëÇÏ°í ÀÖ¾ú´Ù. ÀÇÄ¡ÀÇ ¾ÈÁ¤°ú À¯Áö¸¦ Çâ»ó½ÃÅ°±â À§ÇÏ¿© Á߸³´ë Àλó ±â¹ýÀ» ÅëÇÑ »õ·Î¿î ÀÇÄ¡ÀÇ Á¦ÀÛÀ» °èȹÇÏ¿´´Ù. Modeling compound¸¦ ÀÌ¿ëÇÏ¿© Á߸³´ë¸¦ ÀαâÇÏ¿´À¸¸ç Ä¡¾Æ ¹è¿­ ÈÄ external impressionÀ» ½ÃÇàÇÔÀ¸·Î½á Á¤È®ÇÑ ¿¬¸¶¸éÀ» Çü¼ºÇÒ ¼ö ÀÖ¾ú´Ù. ¿Ï¼ºµÈ »ó?ÇÏ¾Ç ÃÑÀÇÄ¡´Â º¸´Ù Çâ»óµÈ ¾ÈÁ¤°ú À¯Áö¸¦ º¸¿´À¸¸ç ȯÀÚ ¿ª½Ã »õ·Î Á¦ÀÛµÈ ÀÇÄ¡¿¡ ¸¸Á·°¨À» º¸¿´±â¿¡ À̸¦ º¸°íÇÏ°íÀÚ ÇÑ´Ù.

The neutral zone technique is an alternative approach for the construction of complete dentures on highly atrophic ridges with history of denture instability. This technique achieves two objectives. First, the teeth will not interfere with the normal muscle function, and second, the force exerted by the musculature against the denture is more favorable for stability and retention. In this case of a 78-years-old female patient with severely atrophic ridges who had been using unstable complete dentures, the neutral zone impression technique was used to increase the stability and the retention of dentures. The neutral zone for both arch was located with modeling compound. After the arrangement of artificial teeth within the neutral zone, the external impression was taken to determine the tissue surface. The final dentures showed enhanced stability and retention and the patient was satisfied with the new dentures with respect to functional and esthetic aspects.

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Á߸³´ë; ÃÑÀÇÄ¡ Èí¼öµÈ ÀÜÁ¸; Ä¡Á¶Á¦
Neutral zone; Complete dentures; Atrophic ridges

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