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A study on the validity of reference points for edentulous patient

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¹ÚÁ¤Àç ( Park Jeong-Jae ) - ¼­¿ï´ëÇб³ Ä¡ÀÇÇдëÇпø
±è¸íÁÖ ( Kim Myung-Joo ) - ¼­¿ï´ëÇб³ Ä¡ÀÇÇдëÇпø Ä¡°úº¸Ã¶Çб³½Ç

Abstract

¸ñÀû: Çѱ¹ ¼ºÀÎ À¯Ä¡¾ÇÀÚ¸¦ ´ë»óÀ¸·Î Ä¡¾Æ¿Í ¾È¸ð »çÀÌÀÇ Å©±â ¹× ÇüÅÂÀûÀÎ »ó°ü°ü°è, ±¸°­ ³» ÇغÎÇÐÀû ±âÁØÁ¡µé°ú Ä¡¾Æ¹èÄ¡ ¾ç»ó »çÀÌÀÇ °ü°è¸¦ Á¶»çÇÏ¿© ÃÑÀÇÄ¡ Á¦ÀÛ ½Ã ¹«Ä¡¾Ç ȯÀÚ Ä¡·á¿¡ »ç¿ëµÇ´Â ±âÁØÁ¡µéÀÇ È¿¿ë¼ºÀ» Æò°¡ÇÏ°íÀÚ ÇÏ¿´´Ù.

´ë»ó ¹× ¹æ¹ý: ¼­¿ï´ëÇб³ Ä¡ÀÇÇÐ ´ëÇпø»ýÀ» ´ë»óÀ¸·Î »ó¾Ç 6ÀüÄ¡°¡ Á¤»óÀûÀ¸·Î ¹è¿­µÇ¾î ÀÖ´Â ¼ºÀÎ ³²¼º 270¸í ¿©¼º 280¸íÀ» ¼±Á¤ÇÏ¿© ¿¬±¸¸¦ ¼öÇàÇÏ¿´´Ù. ¾Ç¾È¸éºÎÀÇ ÇغÎÇÐÀû ±¸Á¶¸¦ Å©°Ô º¯È­½Ãų ¼ö ÀÖ´Â ¿Ü°úÀû Ä¡·á¸¦ ¹ÞÀº °æ¿ì, ±³Á¤Ä¡·á¸¦ ¹ÞÀº °æ¿ì, ¼±ÃµÀûÀ¸·Î »ó¾Ç ÀüÄ¡ºÎ Ä¡¾Æ ÇüÅ ¹× ¼ö¿¡ ÀÌ»óÀÌ ÀÖ´Â °æ¿ì, »ó¾Ç ÀüÄ¡ºÎ Ä¡°üÀÇ º¯ÇüÀ» ÃÊ·¡ÇÒ ¼ö ÀÖ´Â ¼öº¹Ä¡·á¸¦ ¹ÞÀº °æ¿ì´Â ¿¬±¸´ë»ó¿¡¼­ Á¦¿ÜÇÏ¿´´Ù. ¿¬±¸Ç׸ñÀº ¾È¸ðÀÇ ¿ÜÇü, Çù°ñ±Ã Æø°æ, ¾È¸ðÀÇ ±æÀÌ, »ó¾ÇÁßÀýÄ¡ÀÇ ÇüÅ ¹× Àå°æ, »ó¾Ç6ÀüÄ¡ÀÇ Ä¡°ü Æø°æ, °ßÄ¡°£ °Å¸®, ÀýÄ¡À¯µÎ Á߽ɿ¡¼­ ÁßÀýÄ¡ ¼ø¸é±îÁöÀÇ °Å¸®, ÀýÄ¡À¯µÎ Á߽ɿ¡¼­ ¾ç°ßÄ¡ ÷´ÜÀ» Áö³ª´Â ¼±±îÁöÀÇ ¼öÁ÷°Å¸®À̾ú´Ù. À̸¦ ¹ÙÅÁÀ¸·Î ¾È¸é°èÃøÇ׸ñ°ú ¸ðÇü°èÃøÇ׸ñ°£ÀÇ ºñÀ² ¹× »ó°ü°ü°è¸¦ Åë°èÀûÀ¸·Î ºÐ¼®ÇÏ¿´´Ù.

°á°ú: º» ¿¬±¸ÀÇ ÇÑ°è ³»¿¡¼­ ´ÙÀ½°ú °°Àº °á°ú¸¦ ¾ò¾ú´Ù. 1) ¾È¸ðÀÇ ¿ÜÇü°ú »ó¾Ç ÁßÀýÄ¡ÀÇ ÇüÅ°¡ ÀÏÄ¡ÇÏ´Â ºñÀ²Àº ³²¼º 55.56%, ¿©¼º 46.43%, Àüü 50.91%À̾ú´Ù. 1) Çù°ñ±Ã Æø°æ°ú »ó¾ÇÁßÀýÄ¡ Æø°æ, »ó¾Ç6ÀüÄ¡ ¿¬ÇÕÆø°æÀÇ ºñÀ²Àº °¢°¢ 16.8 : 1, 3.0 : 1À̸ç Åë°èÀûÀ¸·Î ¾çÀÇ »ó°ü°ü°è°¡ ÀÖ¾ú´Ù. 2) »ó¸ðÇлó ¾È¸ðÀÇ ±æÀÌ(Trichion-Gnathion)¿Í »ó¾ÇÁßÀýÄ¡ Ä¡°ü Àå°æ, ÄڻѸ®Á¡-Åγ¡À¶±âÁ¡°£ °Å¸®(Nasion-Gnathion)¿Í »ó¾ÇÁßÀýÄ¡ Àå°æ°úÀÇ ºñÀ²Àº °¢°¢ 19.7 : 1, 11.6 : 1À̾ú°í ³²¼º¿¡¼­´Â ÄڻѸ®Á¡-Åγ¡À¶±âÁ¡°£ °Å¸®°¡, ¿©¼º¿¡¼­´Â ¾È¸ðÀÇ ±æÀÌ°¡ ´õ Å« »ó°ü°ü°è°¡ ÀÖ¾ú´Ù. 3) ÀýÄ¡À¯µÎ Á߽ɰú ¾ç °ßÄ¡ ÷´ÜÀ» ¿¬°áÇÏ´Â ¼± »çÀÌÀÇ ¼öÁ÷°Å¸®´Â 1.33¡¾1.08 mmÀ̾ú´Ù. 4) ÀýÄ¡À¯µÎ Á߽ɿ¡¼­ ÁßÀýÄ¡ ¼ø¸é±îÁöÀÇ °Å¸®´Â 9.23¡¾1.20 mmÀ̾ú´Ù.

°á·Ð: ÃÑÀÇÄ¡ Á¦ÀÛ¿¡ »ç¿ëµÇ´Â ±âÁØÁ¡µéÀº Çѱ¹ ¼ºÀÎ À¯Ä¡¾ÇÀÚÀÇ °æ¿ì¿¡µµ Åë°èÀûÀ¸·Î È¿¿ë¼ºÀ» °¡Áö¸ç, Áß¿äÇÑ ÇغÎÇÐÀû ÁöÇ¥°¡ ÀÓ»óÀûÀ¸·Î ÀÇ ¹Ì¸¦ °¡Áø´Ù°í ÇÒ ¼ö ÀÖ´Ù. ±×·¯³ª Åë°èÀûÀ¸·Î ¼öÄ¡¿¡¼­ Â÷À̸¦ º¸ÀÌ°í °³º°ÀûÀÎ ÆíÂ÷¸¦ °¡Áö¹Ç·Î ÀΰøÄ¡¾ÆÀÇ ¼±ÅÃÀ̳ª ¹è¿­ ÈÄ È¯ÀÚÀÇ µ¿ÀǸ¦ ¹Þ´Â °úÁ¤ÀÌ ÇʼöÀûÀ̶ó°í ÇÒ ¼ö ÀÖ´Ù.

Purpose: The purpose of this study was to evaluate the validity of reference points for edentulous patient by examining the correlation of teeth and face, and intraoral anatomic landmarks.

Materials and methods: We examined a facial outline, length, bizygomatic width, nasion - gnathion length, glabella - nasion distance in 270 men and 280 women satisfied with inclusion criteria from Seoul National School of Dentistry. The shape of maxillary central incisor, mesiodistal crown width and length of maxillary 6 incisors, distance from incisive papilla to labial surface of maxillary central incisor, and perpendicular distance from incisive papilla to intercanine line were measured in the stone model. We analyzed the ratio and relevant relation statistically.

Results: The probability on having the same shape of face and the relative same shape maxillary incisor was 55.56% and 46.43% for men and women. The facial length proved to be a more valuable measurement in women in the tooth selection. The ratio of bizygomatic width to mesiodistal width of maxillary central incisor, and the ratio of bizygomatic width to width of maxillary 6 incisors were 16.8 : 1 and 3.0 : 1 and were positively correlated with each other. The distance of the canines from the maxillary incisal papilla was 1.33¡¾1.28 mm. The distance between the center of the incisal papilla and the labial surface of their maxillary central incisor was 9.23¡¾1.20 mm.

Conclusion: It was showed that anatomical reference points in tooth selection and arrangement for edentulous patient are useful and have validity in our limited study.

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ÇغÎÇÐÀû ±âÁØÁ¡ ¾È¸ðÀÇ ÇüÅ ġ¾ÆÀÇ ±Ù¿ø½É Æø°æ ¹× Àå°æ »ó°ü°ü°è È¿¿ë¼º
Anatomic landmark; Facial outline; Clinical crown length & width; Correlation efficiency; Validity

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