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TECHNICAL ERRORS IN COMPLETE MOUTH RADIOGRAPHIC SURVEYS ACCORDING TO RADIOGRAPHIC TECHNIQUES AND FILM MOLDING METHODS

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ÃÖ°©½Ä(õËË£ãÕ)/Karp-Shik Choi º¯Á¾¼ö(ܦñ£â³)/ÃÖ¼øö(õËâéôÉ)/Chong-Soo Byun/Soon-Chul Choi

Abstract

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75¸íÀÇ Ä¡°ú´ëÇÐ 4Çгâ»ýµéÀÌ ÃÔ¿µÇÑ 300¿¹ÀÇ ±¸³»Àü¾ÇÇ¥Áعæ»ç¼±»çÁøµéÀ» ÃÔ¿µ¹ý°ú Çʸ§
ÀÇ À¯Áö¹ý¿¡ µû¶ó Çʸ§À» ÇÇÃÔ¿µÀÚÀÇ ¾öÁö³ª °ËÁö·Î À¯ÁöÇÏ°í µî°¢¹ýÀ¸·Î ÃÔ¿µÇÑ °æ¿ì(¥°±º),
Çʸ§À» Rinn Snap-A-Ray±â±¸ÃÊ À¯ÁöÇÏ°í µî°¢¹ýÀ¸·Î ÃÔ¿µÇÑ °æ¿ì(¥±±º), Çʸ§À» Rinn
XCP±â±¸·Î À¯ÁöÇÏ°íShort cone¿¡¼­ ÆòÇà¹ýÀ¸·Î ÃÔ¿µÇÑ °æ¿ì(¥²±º), Çʸ§À» Rinn XCP ±â±¸
·Î À¯ÁöÇÏ°í Long cone¿¡¼­ ÆòÇà¹ýÀ¸·Î ÃÔ¿µÇÑ °æ¿ì(¥³±º) °¢ ±ºÀ¸·Î ºÐ·ùÇÏ¿© 75¿¹ÀÇ ±¸
³»Àü¾ÇÇ¥Áعæ»ç¼±»çÁøÀ¸·Î ±¸¼ºµÈ °¢ ±ºÀÇ ÀçÃÔ¿µÀ» Á¶»çÇÏ¿© °¢ ±º¿¡¼­ °¡Àå ¸¹ÀÌ ³ªÅ¸³­
½ÇÃ¥ÀÇ Á¾·ù¿Í ºÎÀ§, ±×¸®°í ±¸³»Àü¾ÇÇ¥Áعæ»ç¼±»çÁø 1ȸ´ç Æò±ÕÀçÃÔ¿µ¸Å¼ö¿¡ ´ëÇØ ¾Æ·¡ÀÇ
°á°ú¸¦ ¾ò¾ú´Ù.
¥°±º : Incorrect film placement(47.8%)¿¡ »ó¾Ç°ßÄ¡ºÎ (26.9%) ¿´À¸¸ç 0.89¸Å¿´´Ù.
¥±±º : Incorrect film placement (44.0%)¿Í »ó¾Ç´ë ±¸Ä¡ºÎ (28.6%) ¿´À¸¸ç 1.12¸Å¿´´Ù.
¥²±º : Incorrect film placement(79.1%)¿Í »ó¾Ç´ë ±¸Ä¡ºÎ (32.0%) ¿´À¸¸ç 2.05¸Å¿´´Ù.
¥³±º : Incorrect film placement(67.7%)¿Í »ó¾Ç´ë ±¸Ä¡ºÎ (30.7%) ¿´À¸¸ç 1.69¸Å¿´´Ù.
Æò±ÕÀçÃÔ¿µ¸Å¼ö¿¡¼­´Â °°Àº ÃÔ¿µ¹ýÀÎ ¥°±º°ú ¥±±º°£¿¡¼­¿Í, ¥²±º°ú ¥³±º°£¿¡¼­´Â À¯ÀÇÇÑ
Â÷°¡ ³ªÅ¸³ªÁö ¾Ê¾ÒÀ¸³ª(P>0.05), µî°¢ÃÔ¿µ¹ýÀÇ ±º (¥°+¥±)º¸´Ù ÆòÇàÃÔ¿µ¹ýÀÇ ±º(¥²+¥³)¿¡¼­
0.86¸Å ¸¹¾Ò´Ù (P<0.01).
#ÃÊ·Ï#
The purpose of this study was to investigate the numbers and causes of retakes in
300 complete mouth radiographic surveys made by 75 senior dental students.
According to radiographic techniques and film holding methods, they were divided into
4 groups:
Group ¥°: Bisecting-angle technique with patient's fingers.
Group ¥±: Bisecting-angle technique with Rinn Snap-A-Ray device.
Group ¥²: Paralleling technique with Rinn XCP instrument (short cone)
Group ¥³ Paralleling technique with Rinn XCP instrument (long cone)
The most frequent cause of retakes, the most frequent tooth area examined, of retakes
and average number of retakes per complete mouth survey were evaluated. The obtained
results were as follows:
Group ¥°: Incorrect film placement (47.8%), upper canine region, and 0.89.
Group ¥±: Incorrect film placement (44.0%), upper molar region, and 1.12.
Group ¥²: Incorrect film placement (79.2%), upper molar region, and 2.05.
Group ¥³: Incorrect film placement (67.7%), upper molar region, and 1.69.
The average number of retakes per complete mouth survey of paralleling technique
(Group ¥²+¥³) was higher than that of bisecting-angle technique (Group ¥°+¥±) (p<0.01).
There was no difference between Group ¥° and Group ¥±, and between Group ¥² and
Group ¥³ in the average number of retakes per complete mouth survey (p>0.05).

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