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A ROENTGEINOGRAPHIC CEPHALOMETRIC STUDY OF CONDYLAR HEAD ON THE SUBIMEINTOVERTEX CEPHALOGRAM

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Abstract

ÀúÀÚ´Â ¾Ç°üÀýÀÌ Á¤»óÀÎ Çѱ¹¼ºÀÎÀÇ ³²³à °¢°¢ 50¸íÀ» ´ë»óÀ¸·Î Á᫐ ±³ÇÕ»óÅ¿¡¼­ ÃÔ¿µ
ÇÑ µÎºÎÃà¹æÇâ¹æ»ç¼±±Ô°Ý»çÁøÀ» Åä´ë·Î ÇϾǰúµÎ ¹× ÀÌ¿Í °ü·ÃµÈ µÎºÎÀÇ ÇغÎÇÐÀû ±¸Á¶¹°À»
14°¡ÁöÀÇ Ç׸ñº°·Î °èÃøÇÏ¿© Åë°èÇÐÀûÀ¸·Î ºÐ¼®ÇÑ ¹Ù ´ÙÀ½°ú °°Àº °á·ÐÀ» ¾ò¾ú´Ù.
1. ¿ÜÀ̵µ°£¼±¿¡ µ¥ÇÑ ÇϾÇÀÚµÎÀÇ ¼öÆò°æ»çµµ (EE-LA)ÀÇ Æò±ÕÄ¡´Â 18.5¡Æ(S, D.=7.9¡Æ)
À̾úÀ¸¸ç ÇϾǰúµÎÀÇ ¼öÆò°æ»çµµ¸¦ ³ªÅ¸³»´Â ¸ðµç °èÃøÇ׸ñ¿¡¼­ °³Àο¡ µû¸¥ °èÃøÄ¡ÀÇ Â÷ÀÌ
´Â ÄÇ´Ù.
2. ³²¡¤¿© °èÃøÄ¡ÀÇ ºñ±³¿¡¼­ ´ëºÎºÐÀÇ Ç׸ñÀÌ ³²³àÂ÷°¡ ÀÖ¾úÀ¸¸ç ÀÌÁß R-LA¿Í LA-LA
¸¸ ¿©ÀÚ°¡ ´õ Å©°í ±× ¿ÜÀÇ Ç׸ñÀº ³²ÀÚ°¡ ´õ ÄÇ´Ù.
3. Á¡¤¿ì °èÃøÄ¡ÀÇ ºñ±³¿¡¼­ ´ëºÎºÐÀÇ Ç׸ñÀÌ Á¿ìÂ÷°¡ ÀÖ¾úÀ¸¸ç ÀÌÁß PC-CC¸¸ ÁÂÃøÀÌ
´õ Å©°í ±× ¿ÜÀÇ Ç׸ñÀº ¿ìÃøÀÌ ´õ ÄÇ´Ù.
ÀÌ¿Í°°ÀÌ ÇϾǰúµÎÀÇ ¼öÆò°æ»çµµ¸¦ Æ÷ÇÔÇÏ¿© ´ëºÎºÐÀÇ °èÃøÇ׸ñÀÌ °³Àΰ£, ³²³à°£ ¹× ¾ç
Ãø°£¿¡¼­ ´Ù¾çÇÏ°Ô ³ªÅ¸³µÀ¸¹Ç·Î Á¤È®ÇÑ ¾Ç°üÀý ¹æ»ç¼±ÃÔ¿µÀ» À§Çؼ­´Â °¢ °³ÀÎÀÇ µÎºÎÃà¹æ
Çâ¹æ»ç¼±±Ô°Ý»çÁøÀ» ÀÌ¿ëÇÏ¿© ÃÔ¿µÁ¶°ÇÀ» °³º°ÀûÀ¸·Î Á¤ÇØ¾ß ÇÒ °ÍÀÌ´Ù.#ÃÊ·Ï#
The Purpose of this study was to observe the anatomic variation of condylar head
and the positional relationship between condylar head and other anatomic structures of
head by means of cephalometry using the submentovertex cephalogram from each
person in centric occlusion for producing a good quality of temporomandibular joint
radiograph.
The 100 submentovertex cephalograms of 100 Korean adults consisted of 50 females
ranged from 20 to 24 years age and 10 males ranged from 22 to 30 years age, were
studied and analyzed statistically.
The results were as follows ;
1. The mean of the horizontal angulation of condylar head to the transmeatal line
(EE-LA) was 18.5¡Æ (S.D. 7.9¡Æ), and all measurements that indicate the horizontal
angulation of con-dylar head showed considerable differences among individuals.
2. In the comparison of male vs. female in the measurements, statistically significant
differences were found in the majority of measurement items, and with exception of
R-LA and LA-LA, the rest of these measurements were larger in male than in female.
3. In the comparison of left vs. right in the measurements, statistically significant
differences were found in the majority of measurement items, and with exception of
PC-CC, the rest of these measurements were larger in right than in left.
As above, because the majority of measurements that involve the horizontal angulation
of condylar head varied among individuals, between male and female, and between left
and right, the condition of various temporomandibular joint radiography should be
determined by means of cephalometry using the submentovertex cephalogram for
producing the accurate radiographic image of temporomandibular joint.

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