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A RADIOGRAPHIC STUDY OF MANDIBULAR CONDYLE SHAPE AND POSITION : A COMPARISON OF TRANSCRANIAL RADIOGRAMS AND INDIVIDUALIZED CORRECTED TOMOGRAMS

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Abstract

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´ÉÀ» °¡Áø °üÀý·Î¼­, ÀÌÀÇ ±¸¼º¿ä¼ÒÀÎ ÇϾǰúµÎÀÇ ÇüÅÂ¿Í °üÀý¿Í¿ÍÀÇ À§Ä¡°ü°è¸¦ ÆľÇÇÏ´Â
°ÍÀº µÎ°³¾È¸éºÎ¿¡ ±¤¹üÀ§ÇÏ°í ´Ù¾çÇÑ ÀÓ»óÁõ»óÀ» À¯¹ß½ÃÅ°´Â ÃøµÎÇϾǰüÀýÀå¾ÖÀÇ Áø´Ü°ú
Ä¡·á¿¡ ¸Å¿ì Áß¿äÇÏ´Ù. ÀÌ¿¡ ÀúÀÚµéÀº ¹æ»ç¼±ÃÔ¿µ¹ý¿¡ µû¸¥ ÇϾǰúµÎÀÇ ÇüÅÂ¿Í °üÀý¿Í³»¿¡
¼­ÀÇ ÇϾǰúµÎÀÇ À§Ä¡¿¡ °üÇÑ ¹æ»ç¼±ÇÐÀû °üÂû±âÁØÀ» ¸¶·ÃÇÏ°íÀÚº» ¿¬±¸¸¦ ½ÃÇàÇÏ¿´´Ù. º»
¿¬±¸¿¡¼­´Â ÃøµÎÇϾǰüÀýÀå¾Ö°¡ ¾ø´Â ¼ºÀÎÀ» ´ë»óÀ¸·Î Accurad-200 µÎºÎ°íÁ¤ ÀåÄ¡ (Denar
Co., U.S.A.)°¡ ºÎÂøµÈ ±¸³»¹æ»ç¼±ÃÔ¿µ±â¸¦ ÀÌ¿ëÇÑ °æµÎ°³¹æ»ç¼±»çÁø°ú Sectograph(Denar
Co., U.S.A.)¸¦ ÀÌ¿ëÇÑ Ãø¹æ°³º°È­ ´ÜÃþ¹æ»ç¼±»çÁø¿¡¼­ ¹æ»ç¼±ÃÔ¿µ¹ý¿¡ µû¸¥ ÇϾǰúµÎÀÇ Çü
Ÿ¦ ºÐ·ùÇÏ°í, Á߽ɱ³Çսà ÇϾǰúµÎ¿Í °üÀý¿ÍÀÇ À§Ä¡°ü°è ¹× 1' °³±¸½Ã ÇϾǰúµÎ¿Í °üÀýÀ¶
±âÀÇ À§Ä¡°ü°è¸¦ ÃøÁ¤ ¡¤ºñ±³ÇÏ¿©, ´ÙÀ½°ú °°Àº °á°ú¸¦ ¾ò¾ú´Ù.
1. ÇϾǰúµÎÀÇ Ãø¸éÇüÅ´ °æµÎ°³¹æ»ç¼±»çÁø°ú Ãø¹æ °³º°È­ ´ÜÃþ¹æ»ç¼±»çÁøÀÇ ³»Ãø, Áß¾Ó
Ãø ¹× ¿ÜÃø ´ÜÃþ¸é ¸ðµÎ¿¡¼­ º¼·ÏÇüÀÌ °¡Àå ¸¹¾Ò´Ù.
2. Á߽ɱ³Çսà ÇϾǰúµÎ¿Í °üÀý¿ÍÀÇ À§Ä¡°ü°è´Â °æµÎ°³¹æ»ç¼±»çÁø¿¡¼­´Â ÈĹæ À§Ä¡ °ü°è
¸¦, Ãø¹æ °³º°È­ ´ÜÃþ¹æ»ç¼±»çÁøÀÇ ³»Ãø, Áß¾ÓÃø ¹× ¿ÜÃø ´ÜÃþ¸é¿¡¼­´Â Àü¹æ À§Ä¡°ü°è¸¦ º¸
¿´´Ù.
3. Á߽ɱ³Çսà Á ¡¤¿ìÃø ÇϾǰúµÎ¿Í °üÀý¿ÍÀÇ À§Ä¡ °ü°è´Â °æµÎ°³¹æ»ç¼±»çÁø°ú Ãø¹æ °³
º°È­ ´ÜÃþ¹æ»ç¼±»çÁøÀÇ ³»Ãø, Áß¾ÓÃø ¹× ¿ÜÃø ´ÜÃþ¸é ¸ðµÎ¿¡¼­ ºñ´ëĪÀûÀÎ À§Ä¡°ü°è¸¦ º¸¿´
´Ù.
4. 1'°³±¸½Ã ÇϾǰúµÎ¿Í °üÀýÀ¶±âÀÇ À§Ä¡°ü°è´Â °æµÎ°³¹æ»ç¼±»çÁø¿¡¼­´Â 1§® ÀÌ»ó Àü¹æ¿¡
À§Ä¡ÇÏ´Â °æ¿ì°¡, Ãø¹æ °³º°È­ ´ÜÃþ¹æ»ç¼±»çÁøÀÇ ³»Ãø°ú ¿ÜÃø ´ÜÃþ¸é¿¡¼­´Â 1§® ÀÌ»ó ÈĹæ
¿¡ À§Ä¡ÇÏ´Â °æ¿ì°¡, Áß¾ÓÃø ´ÜÃþ¸é¿¡¼­´Â 1§® ÀÌ»ó Àü¹æ¿¡ À§Ä¡ÇÏ´Â °æ¿ì°¡ °¡Àå ¸¹¾Ò´Ù.
#ÃÊ·Ï#
The purpose of this study was to observe mandibular condyle shape and position in
an asymptomatic population. In order to carry out this study, 142 temporomandibular
joints in 71 adults(35 males, 36 females), who were asymptomatic for temporomandibular
joint disorders and had no history of prosthodontic or orthodontic treatments, were
selected, and radiographed using the Accurd-200 head holder(Denar Co., U.S.A) for
transcranial radiograms and the Sectography(Denar Co., U.S.A.) for lateral individualized
corrected tomograms. Mandibular condyles were classified morphologically and evaluated
in positional relationships with articular fossae and articular eminences at centric
occlusion and 1 inch mouth opening.
The obtained results were as follows;
1. In the classification of mandibular condyle shape, the convex type was more
prevalent in transcranial radiograms and tomograms taken at medial, central, and lateral
locations.
2. In the mandibular condyle position at centric occlusion, the mandibular condyles
were placed posterior to the center of articular fossae in transcranial radiograms and
anterior to the center of articular (ossae in tomograms taken at medial, central, and
lateral locations.
3. In the mandibular condyle position in right and left TMJs at centric occlusion, the
mandibular condyles were placed bilateral asymmetric relationships to the articular
fossae in transcranial radiograms and tomograms taken at medial, central, and lateral
Bocations.
4. In the mandibular condyle position at 1 inch mouth opening, the mandibular
condyles were placed anterior to the articular eminences in transcranial radiograms and
tomograms taken at central location and posterior to the articular eminences in
tomograms taken at medial and lateral locations.

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