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PHARYNGEAL AIRWAY WIDTH AND MANDIBULAR POSIT10N RELATIVE OT HYOID BONE POSIT10N IN CLASS I NORMAL OCCLUSION AND CLASS ¥²MALOCCLUSION

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Á¶¼º·¡/Sung-Lae Cho ¹Ú¼ººó/±è°æ¿í/¼ÛÀçö/ÀÌÀçÈÆ/Áøº´·Î/Sung-Bin Park/Kyung-Wook Kim/Jae-Chul Song/Jae-Hoon Lee/Byung-Rho Chin

Abstract

¥´.°á ·Ð
°ñ°Ý¼º ¥²±Þ ºÎÁ¤±³ÇÕÀÚµé°ú I±Þ Á¤»ó±³ÇÕÀÚµéÀÇ ¼ºº°¿¡ µû¸¥ ¼³°ñÀÇ À§Ä¡, ±âµµÅ©±â¸¦
Æò°¡ÇÏ°í ÀÌµé »çÀÌÀÇ ÇÏ¾Ç À§Ä¡¿ÍÀÇ »ó°ü°ü°è¸¦ ¾Ë¾Æº¸±â À§ÇØ ¿µ³²ÀÇ·á¿ø Ä¡°ú¿¡ ³»¿øÇÏ
¿© ¾Ç±³Á¤¼ö¼úÀ» ¹ÞÀº °ñ°Ý¼º ¥²±Þ ºÎÁ¤±³ÇÕÀ» °¡Áø 16¼¼ ÀÌ»óÀÇ È¯ÀÚ 30¸í°ú °æºÏ´ëÇб³
Ä¡°ú´ëÇп¡ ÀçÇÐÁßÀÎ Class I Á¤»ó±³ÇÕÀÚ 30¸íÀ» ´ë»óÀ¸·Î Ãø¸ð µÎºÎ¹æ»ç¼±±Ô°Ý»çÁøÀ» ÃÔ¿µ
ÇÏ¿© ¼³°ñÀ§Ä¡¿¡ ´ëÇÑ ÀüÈĹæ°ú ¼öÁ÷Àû °Å¸® ¹× °¢µµ, ±âµµÀÇ Å©±â¿Í ÇÏ¾Ç À§Ä¡ÀÇ »ó°ü°ü°è
¸¦ Åë°èÇÐÀûÀ¸·Î ºÐ¼®ÇÏ¿© ´ÙÀ½°ú °°Àº °á·ÐÀ» ¾ò¾ú´Ù.
1. 1±ÞÁ¤»ó±³ÇÕ±º°ú ¥²±Þ ºÎÁ¤±³ÇÕ±ºÀÌ A-APH, N-APH, S-AH¿¡¼­ Åë°èÇÐÀû À¯ÀÇÇÑ Â÷
À̸¦ º¸ÀÓÀ¸·Î½á, ¼³°ñÀº ¥²±Þ ºÎÁ¤±³ÇÕ±º¿¡¼­ ´õ Àü¹æ°ú ÇϹ濡 À§Ä¡ÇÏ¿´À¸¸ç, ¿¬Á¶Á÷
±âµµÀÇ ºÐ¼®¿¡¼­(PNS-ad) ¥²±Þ ºÎÁ¤±³ÇÕ±º¿¡¼­ I±Þ ºÎÁ¤±³ÇÕ±ºº¸´Ù ´õ ÀÛ°Ô ³ªÅ¸³µ´Ù.
2. 1±Þ Á¤»ó±³ÇÕ±º¿¡¼­ÀÇ ¼ºº°ºñ±³½Ã, ³²¼º¿¡¼­ ¼³°ñÀÌ ´õ ÇϹ濡 À§Ä¡ÇÏ¿´À¸¸ç, ¥²±Þ ºÎ
Á¤±³ÇÕ±º¿¡¼­´Â ³²³à°£ ¼öÁ÷Àû °Å¸®¿¡¼­ À¯ÀÇÇÒ ¸¸ÇÑ Â÷À̸¦ º¸¿´À¸¸ç, ³²¼º¿¡¼­ ¼³°ñ
ÀÌ ´õ¿í Àü¹æ¿¡ À§Ä¡ÇÏ¿´´Ù.
3. ±âµµÅ©±â¿Í ÇϾÇÀ§Ä¡°£¿¡´Â À¯ÀÇÇÒ¸¸ÇÑ »ó°ü°ü°è´Â ¾ø¾úÁö¸¸, ±âµµ Å©±â¿Í ¼³°ñÀÇ ¼ö
Æò,¼öÁ÷°Å¸®´Â ¼ø»ó°ü°ü°è¸¦ º¸¿´À¸¸ç, Wits apprais °ú ¼³°ñÀÇ ÀüÈĹæÀ§Ä¡°£¿¡´Â Åë°è
ÇÐÀûÀ¸·Î À¯ÀÇÇÑ »ó°ü°ü°è(A-APH, N-APH¿Í ¼ø»ó°ü°ü°è)¸¦ º¸¿´´Ù.
4. µÎ°³Àú¿¡ ´ëÇÑ ÇϾÇÀÇ µ¹Ãâµµ¸¦ ³ªÅ¸³»´Â SNPg´Â A-APH, N-APH¿Í ¿ª»ó°ü°ü°è¸¦
º¸¿´°í, Facial ratio´Â ¼³°ñÀåÃà°ú ÇϾÇÇÏ¿¬ÀÌ ÀÌ·ç´Â °ª(LAH-Mp)°ú ¿ª»ó°ü°ü°è¸¦
º¸¿´´Ù.
#ÃÊ·Ï#
Various studies have documented a variability of hyoid bone position in relation to
changed mandibular position or head position. The aim of this study was to evaluate the
hyoid bone position and inclination on the lateral cephalometric radoigraphs of two group
of patients exhibiting Class I normal occlusion and Class ¥² maloccluslon, so to verify
the relatlonships
between hyoid bone position, pharyngeal airway and relative mandibular position
In the class ¥° group, there were 16 femailes, while the Class ¥² group consisted of
males and females.
The results were as follows
1. By the length of A-Aph, N-APH, and GoP-PPH, the hyoid of Class ¥²group was
more anteriorly and inferiorly positioned than Class I group
2. On the analysis of soft tissue airway, the measurement(PNS-ad) of Class ¥² group
were smaller than Class ¥° group
3. In the comparison of the variances betwwen male and female, hyoid bone was
inferiority positioned and showed sinificantly more lager pharyngetal with of
haled tissue in the Class I male and In the Class ¥² male, same tendancy about
hyoid position and pharyngeal wldth was seen and more anteriorly positioned
4. There was no statiscally significances between pharyngeal airway measurements and
relative mandidular position, but statistical significance between wits appraisal and hyold
bone position was seen.
5. The S-N-Pog which shows relative mandibular protrusion inverse ratio in the in the
analysis with A-APH , N-APH and Facial ratio with LAH-Mp also showed Inverse
railo.

Å°¿öµå

Hyoid bone; Pharyngeal airway; mandibular positlon;

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