歯科X線検査における被曝線量についての研究(1)頭部X線規格撮影

概要

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Patient exposure doses during cephalography were measured. Mg_2SiO_4 : Tbrods of thermoluminescence dosimeter were placed at 4 anatomical sites of a randophantom and exposed to a cephalographic X-ray machine operated under standard conditions. The results were as follows : The radiation dose to pediatric patients was 0.052mSv to the lenses of the eyes and 0.049mSv to the thyroid gland on lateral projection, and 0.008mSv to the lenses of the eyes and 0.034mSv to the thyroid gland on posteroanterior projection. The radiation dose to adults was 0.075mSv to the lenses of the eyes and 0. 050mSv to the thyroid gland on lateral projection, and 0.010mSv to the lenses of the eyes and 0.035mSv to the thyroid gland on posteroanterior projection. According to these results in this study, the patient doses were reduced to 46-79% compared with those measured in 1985.
福岡歯科大学学会の論文
1993-03-31