Conversion coefficients for the estimation of effective doses in intraoral and panoramic dental radiology from dose-area product values

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Abstract
Conversion coefficients for the estimation of effective doses in intraoral and panoramic dental radiology from dose-area product (DAP) values were determined by measuring organ-absorbed doses and the corresponding DAP values. Measurements were performed for all standard intraoral radiological projections and standard panoramic examination at different exposure parameters. Organ-absorbed doses were measured using thermoluminescent detectors and an adult anthropomorphic phantom specially designed for dosimetric study in dental radiology. Different techniques for the calculation of effective doses were evaluated. Conversion coefficients derived from this study range from 0.008 to 0.132 µSv mGy−1 cm−2 for intraoral radiography and 0.055 to 0.238 µSv mGy−1 cm−2 for panoramic radiography.

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