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A COMPARATEVE STUDY OF TOMOGRAPHY WITH LATERAL OBLIQUE TRANSCRANIAL RADIOGRAPHY IN THE EVALUATION OF MANOIBULAR CONDYLAR POSITION

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Abstract

ÃøµÎÇϾǰüÀý ºÎÀ§¿¡ ÀÓ»óÁõ»óÀÌ ¾ø°í, º¸Ã¶, ±³Á¤Ä¡·á °æÇèÀÌ ¾øÀ¸¸ç Á¦ 3´ë±¸Ä¡¸¦ Á¦¿Ü
ÇÑ °á¼ÕÄ¡°¡ ¾ø´Â Á¤»óÀÎ 30¸í (60 ÃøµÎÇϾǰüÀý)À» ´ë»óÀ¸·Î À̵鿡 ´ëÇÏ¿© °¢°¢ Á߽ɱ³ÇÕ
À§, linch°³±¸½Ã¿Í ÃÖ´ë°³±¸½ÃÀÇ Á¿ìÃø Ãø¹æ´ÜÃþ»çÁø ¹× Ãø»çÀ§°æµÎ°³ »çÁøÀ» ÃÔ¿µÇÑ ÈÄ ÇÏ
¾Ç°úµÎÀ§Ä¡¿¡ °üÇÑ Ç׸ñµéÀ» ºñ±³ºÐ¼®ÇÏ¿© ´ÙÀ½°ú °°Àº °á°ú¸¦ ¾ò¾ú´Ù.
1. ÇϾǰúµÎÀÇ °í°æ°ú Æø°æ¿¡ ´ëÇؼ­´Â ´ÜÃþÃÔ¿µ »çÁø»ó¿¡¼­ °¢°¢ 6.82¡¾1.99§®(ÁÂÃø 6.16
¡¾0.86§®, ¿ìÃø 7.48¡¾2.51§®), 11.98¡¾1.28§®(ÁÂÃø 11.87¡¾1.48§®, ¿ìÃø 12.08¡¾1.03§®)À̾úÀ¸¸ç,
Ãø»çÀ§ °æµÎ°³ ÃÔ¿µ»çÁø»ó¿¡¼­ °¢°¢ 5.41¡¾0.79 (ÁÂÃø 5.50¡¾0.81§® ¿ìÃø 5.32¡¾0 77§®), 10.67
¡¾1.28§® (ÁÂÃø 10.79¡¾1.36§®, ¿ìÃø 10.56¡¾1.18§®)À̾ú°í °í°æ°ú Æø°æ ¸ðµÎ¿¡¼­ µÎ ÃÔ¿µ¹ý»ç
ÀÌ¿¡ Åë°èÇÐÀû À¯ÀǼºÀÌ ÀÎÁ¤µÇ¾ú´Ù(p<0.01).
2. °üÀý¿ÍÀÇ °í°æ°ú Æø°æ¿¡ ´ëÇؼ­´Â ´ÜÃþÃÔ¿µ»çÁø»ó¿¡¼­ °¢°¢ 10.19¡¾1.60§®(ÁÂÃø 9.93¡¾
1.40§®, ¿ìÃø 10.45¡¾1.73§®), 20,71¡¾2.98§®(ÁÂÃø 21,27¡¾2.06§®, ¿ìÃø 20.16¡¾3.59§®À̾úÀ¸¸ç,
Ãø»çÀ§°æµÎ°³ ÃÔ¿µ»çÁø»ó¿¡¼­´Â °¢°¢ 8.44¡¾1.65§®(ÁÂÃø 8.73¡¾1.38§®, ¿ìÃø 8.15¡¾1.85§®),
17.47¡¾2.58§®(ÁÂÃø 17.05¡¾2.89§®, ¿ìÃø 17.89¡¾2.13§®)À̾ú°í °í°æ°ú Æø°æ ¸ðµÎ¿¡¼­ µÎ ÃÔ¿µ
¹ý »çÀÌ¿¡ À¯ÀÇÇÑ Â÷À̸¦ º¸¿´´Ù(p<0.01).
3. Á߽ɱ³ÇÕÀ§¿¡¼­ °¢ °üÀý°øÆø¿¡ ´ëÇؼ­´Â ´ÜÃþÃÔ¿µ»çÁø»ó¿¡¼­ »ó¹æ 4.28¡¾1.09§®(ÁÂÃø
4.14¡¾1.05§®, ¿ìÃø 4.42¡¾1.11§®), Àü¹æ 2.84¡¾1.02 §® (ÁÂÃø 2.64¡¾0.86§®, ¿ìÃø 3.04¡¾1.12
§®), ÈĹæ 3.11¡¾1.19§®(ÁÂÃø 2.89¡¾1,08§®, ¿ìÃø 3.33¡¾1.25§®)ÀÌ ¾úÀ¸¸ç, Ãø»çÀ§°æµÎ°³ ÃÔ¿µ»ç
Áø»ó¿¡¼­ »ó¹æ 4.18¡¾1.28§®(ÁÂÃø 4.00¡¾0.98§®, ¿ìÃø 4.35¡¾1.49§®), Àü¹æ 2.53¡¾0.72§®(ÁÂÃø
2.51¡¾0.70§®, ¿ìÃø 2.55¡¾0.74§®), ÈĹæ 2.66¡¾0.89§®(ÁÂÃø 2.60¡¾0.78§®, ¿ìÃø 2.73¡¾0.99 §®)ÀÌ
¾ú°í, ÈĹæ°üÀý°øÆøÀÇ ¿ìÃø¿¡¼­ Åë°èÇÐÀûÀ¸·Î À¯ÀÇÇÑ Â÷À̸¦ ³ªÅ¸³»¾ú´Ù(p<0.05).
4. 1inch°³±¸½Ã ÇϾǰúµÎÀÇ °üÀýÀ¶±â·ÎºÎÅÍÀÇ º¯À§´Â ´ÜÃþÃÔ¿µ»çÁø»ó¿¡¼­ -0.35¡¾4.40§®·Î
ÈĹ溯À§¸¦ º¸¿´°í, -1.55¡¾1.24§®·Î ÇϹ溯À§¸¦ ³ªÅ¸³»¾ú´Ù. Ãø»çÀ§°æµÎ°³ ÃÔ¿µ»çÁø»ó¿¡¼­
´Â 0.45¡¾3.77§®·Î Àü¹æº¯À§¸¦ º¸¿´°í, -1.29¡¾1.26§®·Î ÇϹ溯À§¸¦ ³ªÅ¸³»¾ú´Ù. ±×·¯³ª µÎ
ÃÔ¿µ¹ý »çÀÌ¿¡ Åë°èÇÐÀû À¯ÀǼºÀº ¾ø¾ú´Ù. ÃÖ´ë°³±¸½Ã ´ÜÃþÃÔ¿µ »çÁø»ó¿¡¼­ 5.39¡¾3.63§®·Î
Àü¹æº¯À§, -1.22¡¾1.67§®·Î ÇϹ溯À§¸¦ º¸¿´°í, Ãø»çÀ§°æµÎ°³ ÃÔ¿µ»çÁø»ó¿¡¼­ 6.35¡¾4.00§®·Î
Àü¹æº¯À§, -0.55¡¾1.98§®·Î ÇϹ溯À§¸¦ ³ªÅ¸³»¾úÀ¸¸ç, ÀüÈÄ, »óÇϿ½Ã µÎ ÃÔ¿µ¹ý »çÀÌ¿¡ Åë°èÇÐÀû À¯ÀǼºÀÌ ÀÎÁ¤µÇ¾ú´Ù(p<0.05).
#ÃÊ·Ï#
The author analyzed and compared tomographs with lateral oblique transcranial
radiographs of 60 temporomandibular joints from 30 asymptomatic young adults.
The results were as follows :
1. The mean height & width of condylar head were 6.82 ¡¾ 1.99§®, 11.98 ¡¾ 1.28§® in
tomegraphs and 5.41 ¡¾ 0.79§®, 10.67 ¡¾) 1.28§® in transcranial radiographs.
2. The mean height of articular fossa was 10.19¡¾1.60§® in tomographs and 8.44¡¾ 1.65
§® in transcrnial radiosgrahs. The mean width of articular fossa was 20.71¡¾2.98§® in
tomographs and 17.47¡¾2.58§® in transcranial radiographs. There were significant
differences in both the height and the width of articular fossa between two radiographic
techniques(p<0.01).
3. In centric occlusion, the superior joint spaces were 4.28¡¾1.09§®, 4.18¡¾1.28§®, the
anterior joint spaces were 2.84¡¾1.02§®, 2.53¡¾0.72§®, the posterior joint spaces were 3.11
¡¾1.19§®, 2.66¡¾0.89§® in tomographs and transcranial radiographs respectively.
There were significant differences in right posterior joint spaces (P<0.05), and
posterior joint spaces (P<0.05) between two radiographic techniques.
4. The condylar Position in articular fossa was displaced posteroinferiorly (-0.35¡¾ 4.40
§® posteriorly, -1.55¡¾1.24§® inferiorly) in tomographs and anteroinferiorly (0.45¡¾3.77§®
anteriorly, -1.29¡¾1.26§® inferiorly) in transcranial radiographs with 1 inch opening. In
maximum opening, it was displaced anteroinferiorly (5.39¡¾3.63§® anteriorly, -1.22¡¾ 1.67
§® inferiorly) in tomographs and anteroinferiorly (6.35¡¾4.00§® anteriorly, -0.55¡¾1.98§®
inferiorly) in transcranial radiographs. There was significant difference in svperoinferior
positions of both condyles with maximum opening between two radiographic techniques
(P<0.05).

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