Radiation and CBCT
Radiation and CBCT
Radiation and CBCT
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medical/dental radiation<br />
Absorbed dose: fundamental quantity for describing<br />
effects of radiation in a tissue. It is the energy<br />
deposited in the volume of tissue the beam passes<br />
through divided by the mass of the tissue.<br />
(joules/kilogram) joules = xray energy, kilogram =<br />
mass or weight of tissue. 1 joule/kilogram = 1 gray<br />
(Gy)<br />
In older terms 1 Gy = 100 rad..<br />
1 Gy = 1,000,000 microsieverts
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