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DECISION OF PROFFER PROJECTION ANGLE AND EVALUATION OF REPRODUCIBILITY IN TRANSCRANIAL RADIOGRAPH

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Abstract

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ÀúÀÚ´Â µÎºÎ±Ô°Ý¹æ»ç¼±»çÁø ÃÔ¿µ±â¿¡¼­ °ÇÁ¶ µÎ°³°ñ 10°³ÀÇ basal view¿Í lateral view»ó
¿¡¼­ ÃøµÎ°ñÀÇ Ãßü¿Í Á¢Çü°ñÀÇ ÈÄ»ó»óµ¹±â°¡ ¾Ç°üÀýºÎÀ§¿Í ÁßøµÇÁö ¾Ê´Â ¼öÆò¸é°ú ¼öÁ÷¸é
¿¡¼­ÀÇ ÀԻ簢À» ±¸ÇÏ¿´°í Denar»çÀÇ Accurad-100ÀÇ ÇüÅ´ë·Î Á¦ÀÛÇÑ °íÁ¤ÀåÄ¡¿Í
cephalos-tat¸¦ »ç¿ëÇÏ¿© ÃÔ¿µµÈ ¹æ»ç¼±»çÁøÀÇ ÀçÇö¼ºÀ» °ËÅäÇÏ¿© ´ÙÀ½°ú °°Àº °á°ú¸¦ ¾ò¾ú
´Ù.
Á߽ɹæ»ç¼±ÀÇ ÀԻ簢Àº ¼öÁ÷¸é¿¡¼­´Â 24.5¡¾4.1¡Æ, ¼öÆò¸é¿¡¼­´Â 3.0¡¾5.7¡Æ¿´À¸¸ç ÀçÇö¼º
À» °ËÁ¤Çϱâ À§ÇØ °ÇÁ¶µÎ°³°ñÀÇ ¾Ç°üÀýºÎÀ§¿¡ ÀÓÀÇÀÇ 3Á¡À» °èÃøÇÏ¿´µç ¹Ù Accurad-100ÀÇ
ÇüÅ´ë·Î Á¦ÀÛÇÑ °íÁ¤ÀåÄ¡¸¦ ÀÌ¿ëÇÑ °æ¿ì¿¡´Â AB°£ÀÇ °Å¸® 24.60¡¾0.25§®, AC°£ÀÇ °Å¸®
16.76¡¾0.27§®, BC°£ÀÇ °Å¸® 8.79¡¾0.18§®À̾ú°í cephalostat¸¦ ÀÌ¿ëÇÑ °æ¿ì¿¡´Â AB°£ÀÇ °Å
¸® 29.03¡¾0.14§®, AC°£ÀÇ °Å¸® 19.95¡¾0.24§®, BC°£ÀÇ °Å¸® 10.08¡¾0.07§®·Î ³ªÅ¸³µ´Ù. µû¶ó
¼­ À̵éÀº »ó´çÈ÷ ¾çÈ£ÇÑ ÀçÇö¼ºÀ» ³ªÅ¸³ÂÀ¸¸ç ƯÈ÷ cephalostat¸¦ ÀÌ¿ëÇÑ °æ¿ì ´õ¿í ÀçÇö¼ºÀÌ ÁÁ¾Ò´Ù.
#ÃÊ·Ï#
The purpose of this study was to decide the proper projection angle that could avoid
the superimposition of the petrous portion of temporal bone and posterior clinoid process
in cephalometric lateral and basal view of the 10 dry skulls and to analyze the
reproducibility of a modified Accurad-100 head holder device from Denar Co. and a
cephalostat head holder in 30 than-scranial radiographs of the dry skull.
The results were obtained as follows :
The vertical angle was 24.5¡¾4.1¡Æ to and the horizontal angle was 3.0¡¾5,7¡Æ. The
distances between arbitrary 3 Points which were on the TMJ area were as follows: AB
16.76¡¾0.27§®, BC 8.79¡¾0.18§® in the transcranial radiographs using modified
Accurad-100 head holder, AB 29.03¡¾0.14§®, AC 19.95¡¾0.24§®, BC 10.08¡¾0.07§® in the
transcranial radiographs using cephalostat.

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