Adult skeletal and dental effective doses

Procedure	Modality	Average effective dose (mSv)	Number of chest radiographs (PA/lateral) with equivalent radiation dose*
Hand or foot radiograph	Conventional radiography	0.001	0.01
Knee radiograph	Conventional radiography	0.005	0.05
Intraoral radiograph (restricted view)	Conventional radiography	0.005	0.05
Shoulder radiograph	Conventional radiography	0.01	0.1
Panoramic radiograph (full mouth view)	Conventional radiography	0.01	0.1
Dental CT	Computed tomography	0.2	2
Hip radiograph	Conventional radiography	0.7	7
Bone scan	Nuclear medicine	6.3	63

CT: computed tomography.
* PA and lateral chest radiograph = .1 mSv.

Data from:

Mettler, FA, Huda, W, Yoshizumi, TT, Mahesh, M. Effective doses in radiology and diagnostic nuclear medicine: a catalog. Radiology 2008; 248:254.
Smith-Bindman, R, Lipson, J, Marcus, R, et al. Radiation dose associated with common computed tomography examinations and the associated lifetime attributable risk of cancer. Arch Intern Med 2009; 169:2078.
Shrimpton, PC, Hillier, MC, Lewis, MA, Dunn, M. National survey of doses from CT in the UK: 2003. Br J Radiol 2006; 79:968.

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