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Digital X-ray Imaging in Dentistry

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Abstract

°á·Ð
ÀÌ»ó°ú °°Àº µðÁöÅÐ x-¼± ¿µ»óÀÇ Çϵå¿þ¾î¿Í ¼ÒÇÁÆ®¿þ¾îÀÇ ¹ß´Þ¿¡ ÈûÀÔ¾î, ´Ù°¡¿À´Â 21¼¼
±â¿¡ Ä¡°ú¿¡¼­ µðÁöÅÐ x-¼± ¿µ»óÀº º¸ÆíÈ­µÉ °ÍÀ¸·Î ¿¹»óµÈ´Ù. ÇöÀç °³¹ß ÁßÀÎ amorphous
seleniumÀ¸·Î ÀÌ·ç¾îÁø DR ¶Ç´Â Ortho-CT ¶Ç´Â TACT¿Í °°Àº »õ·Î¿î Á÷Á¢ µðÁöÅÐ ¹æ»ç
¼± ÃÔ¿µ±â±â µîÀÌ Áö±Ý±îÁöº¸´Ù ´õ ¸¹Àº Á¤º¸¸¦ º¸¿©ÁÖ´Â ´Ù¾çÇÑ ±â´ÉÀ» °¡Áö¸é¼­, ºñ½ÎÁö
¾Ê°í, »ç¿ëÀÚ¿¡°Ô Ä£¼÷ÇÑ ÇüÅÂÀÇ µðÁöÅÐ ¹æ»ç¼± ÃÔ¿µ±â±â·Î ¹ßÀüµÇ¾î Ä¡°úÀǻ翡°Ô Á¦°øµÉ
°ÍÀ̸ç, ÇÑÆí ÆÐÅÏ ÀÎÁö, Àΰø Áö´É, ÇÁ·¢Å» ºÐ¼®, ½Å°æ¸Á ÀÌ·Ð µîÀ» ÀÌ¿ëÇÑ ÄÄÇ»ÅÍ Áø´ÜÀÇ
¹ß´ÞÀÌ ÀÌ·ç¾îÁ®, Ä¡°úÀÇ»ç´Â Ä¡¾Æ ¿ì½ÄÁõ, Ä¡ÁÖ Áúȯ, °ñ´Ù°øÁõ°ú µÎºÎ°èÃø ¹æ»ç¼± »çÁø ºÐ
¼® µî¿¡ ÀÚµ¿ Áø´Ü ¹× ÀÓ»óÀû ÆÇ´Ü ÁöÁö ½Ã½ºÅÛ(clinical decision support system)À» »ç¿ëÇÒ
¼ö ÀÖÀ» °ÍÀÌ´Ù. Á÷Á¢ µðÁöÅÐ ¹æ»ç¼± ÃÔ¿µ±â±â¿¡ ÇÊ¿äÇÑ ¸ðµç Çϵå¿þ¾î ¹× ¼ÒÇÁÆ®¿þ¾î°¡ Åë
Çյǰí, ÀÌ ÅëÇÕ ½Ã½ºÅÛÀº º¸ÆíÀûÀΠǥÁØÈ­ ¹æ¹ýÀ¸·Î ´õ¿í ÀÚµ¿È­µÈ °øÁ¦ ºÐ¼®°ú È­»ó ó¸®
¿¡ ÀÇÇÑ ¿µ»óÀÇ ÁúÀÇ °³¼±À» °¡´ÉÇÏ°Ô ÇÒ °ÍÀÌ´Ù. ±Ã±ØÀûÀ¸·Î Çʸ§ÀÌ ÇÊ¿ä ¾ø´Â Ä¡°ú º´¿ø
ÀÌ Ç¥ÁØÀÌ µÉ °ÍÀ̸ç, ±×·¡ÇÈ »ç¿ëÀÚ È¯°æ(Graphic User Interface)ÀÇ Àß µðÀÚÀÎµÈ IMACS
·Î Áø´Ü, Ä¡·á °èȹ, íÆÃ, Ä¡·áÀÇ ±â·Ï, Áø·áºñ û±¸ ¹× °¢Á¾ ÇüÅÂÀÇ ¿µ»ó µî°ú °°Àº ¸ðµç
ÀÓ»ó Á¤º¸ ½Ã½ºÅÛÀÌ ÅëÇÕµÉ °ÍÀÌ´Ù. ¶ÇÇÑ È¯ÀÚÀÇ Áø·á ¹× Ä¡°úÀÇ»çÀÇ ±³À°¿¡ ¿ø°Ý Ä¡ÀÇÇÐ
½Ã½ºÅÛÀÇ È°¿ëÀÌ ÀϹÝÈ­µÉ °ÍÀÌ´Ù. ÀÌ·¯ÇÑ µðÁöÅÐ ¿µ»ó±â¼úÀÇ ¹ß´ÞÀº ¹æ»ç¼±ÇÐÀû Á¤º¸¸¦ ºü
¶ß¸² ¾øÀÌ Ä¡°úÀǻ翡°Ô Á¦°øÇØ ÁÙ °ÍÀ̸ç, ±âÁ¸ÀÇ Áø´ÜÀ» À§ÇÑ Á¢±Ù ¹æ½Ä±îÁö º¯È­½ÃÅ°°Ô
µÉ °ÍÀÌ´Ù.
#ÃÊ·Ï#
In dentistry, RadioVisioGraphy was introduced as a first electronic dental x-ray
imaging modality in 1989. Thereafter many types of direct digital radiographic system
have been produced in the last decade. They are based either on charge-coupled
device(CCD) or on storage phosphor technology. In addition, new types of digital
radiographic system using amorphous selenium, image intensifier etc. are under
development. Advantages of digital radiographic system are elimination of chemical
processing, reduction in radiation dose, image processing, computer storage, electronic
transfer of images and so on. Image processing includes image enhancement, image
reconstruction, digital subtraction, etc. Especially digital subtraction and reconstruction
can be applied in many aspects of clinical practice and research. Electronic transfer of
images enables filmless dental hospital and teleradiology/teledentistry system. Since the
first image management and communications system(IMACS) for dentomaxillofacial
radiology was reported in 1992, IMACS in dental hospital has been increasing.
Meanwhile, researches about computer-assisted diagnosis, such as structural analysis of
bone trabecular patterns of mandible, feature extraction, automated identification of
normal landmarks on cephalometric radiograph and automated image analysis for caries
or periodontitis, have been performed actively in the last decade. Further developments
in digital radiographic imaging modalities, image transmission system, imaging
processing and automated analysis software will change the traditional clinical dental
practice in the 21st century.

Å°¿öµå

digital dental radiographic system; image processing; IMACS; automated analysis software;

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