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Equivalent Dose, Effective Dose And Risk Assessment From Panoramic Radiography To The Critical Groans Of Head And Neck Region

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Abstract

¼ºÀΠȤÀº ¼Ò¾Æ ȯÀÚ¿¡ µû¶ó ³ëÃâºÎÀ§°¡ Á¶Àý µÇµµ·Ï ÇÁ·Î±×·¥È­µÈ ÃÔ¿µ±â¸¦ »ç¿ëÇÏ¿© ÆÄ
³ë¶ó¸¶ ÃÔ¿µÀ» ½ÃÇàÇÏ¿´À»¶§ÀÇ µÎ°æºÎ ÁÖ¿ä ±â°üÀÇ µî°¡¼±·®, À¯È¿¼±·® ¹× À§Çèµµ¸¦ Æò°¡ÇÏ
¿© ´ÙÀ½°ú °°Àº °á·ÐÀ» ¾ò¾ú´Ù.
1 ¼ºÀÎ ¹× ¼Ò¾Æ¸ðµå °øÈ÷ Ÿ¾×¼±¿¡¼­ °¡Àå ³ôÀº µî°¡¼± ·®°ú À¯È¿¼± ·®À» ³ªÅ¸³»¾ú´Âµ¥,
¼º Àθðµå´Â °¢°¢ 837 §Áv, 20.93 §Áv¿´À¸¸ç, ¼Ò¾Æ¸ðµå´Â °¢°¢ 462 §Áv, 11.54 §Áv¿´´Ù.
2. µÎ°æºÎ ÁÖ¿ä±â°ü¿¡¼­ ÃøÁ¤µÈ ÃÑ À¯È¿¼±·®Àº ¼ºÀÎ ¹× ¼Ò¾Æ¸ðµå¿¡¼­ °¢°¢ 34.21 §Áv¿Í
20.14 §Áv·Î È®·üÀû È¿°úÀÇ ¹ß»ý°¡´É¼ºÀº 2.50¡¿10-6, 1.47¡¿
10-6 À̾ú´Ù.
3. ƯÁ¤±â°ü¿¡¼­ Ä¡¸íÀû ¾ÏÀ» À¯¹ß½Ãų ¼ö ÀÖ´Â À§Çèµµ´Â ±âŸ ±â°ü¿¡¼­ ¹é ¸¸¸í´ç ¼ºÀÎ
°ú ¼Ò¾Æ¸ðµå¿¡¼­ °¢°¢ 4.5¸í, 2.7¸íÀ¸·Î °¡Àå ³ô¾Ò°í, °ñ¼ö¿Í °©»ó¼±¿¡¼­´Â ¹é¸¸¸í´ç ¼ºÀÎ ¹×
¼Ò¾Æ¸ðµå¿¡¼­ ¾à 0.1¸íÀ̾ú´Ù
#ÃÊ·Ï#
The purpose of this study was to evaluate the equivalent and effective dose, and
estimate radiation risk to the critical organs of head and neck region from the use of
adult and child mode in panoramic radiography.
The results were as follows.
1. The salivary glands showed the highest equivalent and effective dose In adult and
child mode. the equivalent effective dose in adult mode were 837 §Áv and 20.93 §Áv,
those in child mode were 462 §ÁV and 11.54 §ÁV respectively.
2. Total effective doses to the critical head and neck organs were estimated 34.21 §Áv
in adult mode, 20.14 §Áv in child mode. from these datas, the probabilities of stochastic
effect from adult and child mode were 2.50¡¿10-6 and 1.47¡¿
10-6
3. The other remainder showed the greatest risk of fatal cancer The risk estimate
were 4.5 and 2.7 fatal malignancies adult and child mode from million panoramic
examinations. The bone marrow and thyroid gland showed about 0.1 fatal cancer in
adults and child mode from these examinations.

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