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A RADIOGRAHIC STUDY ON THE MORPHOLOGY OF THE MAXILLARY SINUS

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Abstract

°ÇÁ¶ »ó¾Ç°ñ 20¿¹¸¦ ´ë»óÀ¸·Î skull P-A ÃÔ¿µ, Orthopantomogram ÃÔ¿µ ±¸³»Æ÷ÁØÃÔ¿µÀ»
½ÃÇàÇÏ¿© °¢ ¹æ»ç¼±»çÁø»ó¿¡¼­ »ó¾Çµ¿ÀÇ ÇüÅ ºÐ¼®À» ½ÃÇàÇÏ¿´°í Ä¡Á¶Á¦»óÅ ¹× ¹«Ä¡¾Ç »ó
ÅÂÀÇ °ÇÁ¶ »ó¾Ç°ñ °¢°¢ 2¿¹¸¦ ÀÌ¿ëÇÏ¿© Á¦ 2´ë±¸Ä¡ºÎ¿¡ »ó¾Çµ¿ÀÌ ³ëÃâµÇµµ·Ï »ó¾Ç°ñÀ» »èÁ¦
ÇÑ ºÎÀ§ÀÇ Çù, ¼³, Á߽ɺÎÀ§¿¡ 25°³ÀÇ Ã¶»ç ¼±À» À§Ä¡½ÃÄÑ µî°¢ÃÔ¿µ¹ýÀ» ÀÌ¿ëÇÑ ±¸³»Ç¥ÁØÃÔ
¿µ, Orthopantomogram ÃÔ¿µÀ» ½ÃÇàÇÏ¿© ÃÔ¿µ¹ý¿¡ µû¸¥ »ó ¼öÁ÷È®´ëÀ²À» ±¸ÇÏ¿´´Ù.
1. »ó¾Çµ¿ Àü¹æ¿¬ÀÇ È®Àå»óÅ´ orthopantomogram»ó¿¡¼­ °ßÄ¡ ¿ø½É 45.45%, °ßÄ¡ ±Ù½É
27.27%, Á¦ 1¼Ò±¸Ä¡ ±Ù½É 9.09%, ÃøÀýÄ¡ 9.09%, Á¦ 2¼Ò±¸Ä¡ ±Ù½É 9.08%ÀÇ ºóµµ¸¦ º¸¿´´Ù.
2. »ó¾Çµ¿Àú¿Í »ó¾Ç Á¦ 1´ë±¸Ä¡ Ä¡±Ù´Ü°úÀÇ Áßø°ü°è¿¡¼­ ÁßøÇüÀÌ 58.3%·Î °¡Àå ¸¹¾ÒÀ¸
¸ç, ±ÙÁ¢Çü 33.3%, ºÐ¸®Çü 8.4%ÀÇ ºóµµ¸¦ º¸¿´´Ù.
3. »ó¾Çµ¿ ÇÏ¿¬ÀÇ ÇüÅ´ ¹«Ä¡¾ÇÀÇ °æ¿ì Çù¼³·Î ´Ü¼øÇÑ V ¶Ç´Â UÇü ÇÏ¿¬À» °®°í ÀÖ¾ú°í
Ä¡Á¶¿Í°¡ ÀÖ´Â °æ¿ì V ¶Ç´Â ÇϺΰ¡ ³ÐÀº UÀÚ ÇüŸ¦ °®°í ÀÖ¾úÀ¸¸ç ¸ðµÎ Ä¡±Ù »ó¹æ¿¡ À§
Ä¡Çß°í ±× ¼³Ãø ¶Ç´Â ÇùÃøÇϺο¡ ±Ù´ÜÀÌ À§Ä¡Çß´Ù.
4. ÃÔ¿µ¹æ¹ý¿¡ µû¸¥ »óÀÇ Æò±Õ ¼öÁ÷Áï´ëÀ²Àº µî°¢ÃÔ¿µ¹ý 27.23%, orthopantomogram
12.35%¸¦ ³ªÅ¸³Â´Ù.
5. Skull P-A ÃÔ¿µ»ó¿¡¼­ ±¸Ä¡ºÎ¿Í ÀüÄ¡ºÎÀÇ »ó¾Çµ¿Àú¸¦ °áÁ¤ÇÏ´Â ±âÁØÀ» ¸¶·ÃÇÏ¿´´Ù.
#ÃÊ·Ï#
The purpose of this study is to improve the availabilities of radiographic technics as
diagnostic methods to evaluate maxillary sinus in dental clinic.
For the morphologic study of maxillary sinus, 20 dry maxillas were used and intraoral
standard views, orthopantomograms, and skull P-A views were taken.
For measuring the vertical image magnification rates, 5 sites in maxillary molar
regions of 5 dry mandibles were selected radndomly and 25 wires of the determined
sizes for selected portions were attached to the sites, after then, intraoral radiograms
with bisecting technic and orthopantomograms were taken.
The acquired results were as follows :
1. The anterior extension of the maxillary sinus on orthopantomogram was the distal
side of the canine in 45.45% of subjects, the mesial side of the canine in 27.27%, the
lateral incisor in 9.09%, the mesial side of the 1st premolar in 9.09%, and the mesial
side of the 2nd premolar in 9.09%.
2. The positional relationship between the floor of maxillary sinus and the apex of
alveolar socket revealed superimposed type in 58.3% of subjects, approached type in
33.3%, and separated type in 8.4%.
3. The morphology of inferior border of maxillary sinus was simple V or U shape in
edentulous stage and V or wide U shape in alveolar socket stage.
4. The vertical image length on intraoral film taken by bisecting technic was
magnified by 27.23% on the average and the length on orthopantomogram by 12.35%.
5. The inferior borders of maxillary sinus coinciding with each of the areas bearing
the anterior and the posterior teeth on skull P-A view were determined.

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