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A STUDY ON THE CENTRAL PLANE OF IMAGE LAYER IN PANORAMIC RADIOGRAPH

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Abstract

ÀúÀÚ´Â Æijë¶ó¸¶¹æ»ç¼±ÃÔ¿µÀåÄ¡ÀÇ »óÃþÁ߽ɸéÀ» ¿¬±¸Çϴµ¥ À־ ¸ð¸®´Ùȸ»ç Á¦Ç°
PANEX-EC¸¦ »ç¿ëÇÏ¿© 4 ¡­5°³ÀÇ ½ÇÇè½ÇÀ» ²ÈÀº ÇÁ¶ó½ºÆ½¸ðÇüÆÇÀ» ÃÔ¿µÇÑ 33ÀåÀÇ ¹æ»ç¼±
»çÁø»óÀ» À°¾ÈÀû °Ë»ç ¹× Mitytoyo-A-221 Áø¿øµµ °Ë»ç±â¿Í Vernier caliper¸¦ ÀÌ¿ëÇÏ¿© ¾ò
Àº °á°ú¸¦ ºÐ¼®ÇÏ¿© ´ÙÀ½°ú °°Àº °ÝÁÖÀ» ¾ò¾ú´Ù.
1. º» ½ÇÇè¿¡¼­ °áÁ¤µÈ »óÃþÁ߽ɸéÀº Á¦Á¶È¸»ç°¡ Áö½ÃÇÑ »óÃþÁ߽ɸ鿡 ºñÇÏ¿© ¿ÜÃø¿¡ ÀÖ
¾ú´Ù.
2. »óÃþÁ߽ɸ鿡¼­ ¼öÆòÈ®´ëÀ²Àº Æò±Õ 9.25%¿´´Ù.
3 »óÃþÁ߽ɸ鿡¼­ ¼öÁ÷È®´ëÀ²Àº Æò±Õ 9.17%¿´´Ù.
#ÃÊ·Ï#
The purpose of this investigation was to locate the central plane of the image layer
on the panoramic machine relative to a specific point on the machine.
In the study of the central plane of the image layer of panoramic radiograph, using
the Morrita Company PANEX-EC a series of 33 exposures were taken with the 4-5
experimental pins placed in the holes of the plastic model plate, then evaluated by
human eye. The author analyzed the central plane of the image layer by
Mitutoyo-A-221 and calculated horizontal and vertical magnification ratio in the central
plane of the image layer determined experimentally.
The results were as follows:
1. The location of the central Plane of the image layer determined experimentally was
to lateral, compared with manufactural central plane .
2. Horizontal magnification ratio in the central plane of the image layer determined
experimentally was 9.25%.
3. Vertical magnification ratio in the central plane of the image layer determined
experimentally was 9.17%.

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