Which of the following has the lowest estimated effective dose range (microseiverts)?
A) CBCT with a small FOV
B) CBCT with a large FOV
C) 2-D panoramic radiograph
D) CT scan of maxilla and mandible
C
Explanation: A) The estimated effective dose of a conventional 2-D panoramic radiograph is approximately 7 µSv. The estimated effective dose from CBCT is generally lower than that of a medical CT scan but still significantly higher than the dose expected from 2-D extra- and intraoral radiographic examinations.
B) The estimated effective dose of a conventional 2-D panoramic radiograph is approximately 7 µSv. The estimated effective dose from CBCT is generally lower than that of a medical CT scan but still significantly higher than the dose expected from 2-D extra- and intraoral radiographic examinations.
C) The estimated effective dose of a conventional 2-D panoramic radiograph is approximately 7 µSv. The estimated effective dose from CBCT is generally lower than that of a medical CT scan but still significantly higher than the dose expected from 2-D extra- and intraoral radiographic examinations.
D) The estimated effective dose of a conventional 2-D panoramic radiograph is approximately 7 µSv. The estimated effective dose from CBCT is generally lower than that of a medical CT scan but still significantly higher than the dose expected from 2-D extra- and intraoral radiographic examinations.
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