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Table 3: Reported Comparative Radiation Effective Dose () for Limited, “Focused” or Small FOV CBCT Systems.

Dose Absolute Comparative CBCT unit Ref. Technique Effective dose (Sv) Digital panoramic equivalent No. of days of annual per capita background Kodak 9000 3D [30] Mx Post/Mx Ant/Mn Post/Mn Ant 9.8/5.3/38.3/21.7 .7/.4/2.7/1.6 1.2/.6/4.7/2.6 PreXion 3D [18] Standard/High Res 189/388 13.5/27.7 23/47 ProMax 3D [18] Small/Large 488/652 35/47 59/79 3D Accuitomo [23] Ant ( cm/ cm) 20/43 1.4/3.1 2.5/5.2 [24] Min (Mn PM)—Max (Mn 3rd Mol) 11–77 .8–5.5 2.5–5.2 [19] Mx (Ant/PM/Mol) 29/44/29 2/3.2/2 3.5/5.3/3.5 Mn (Ant/PM/Mol) 13/22/29 .9/1.6/2 1.6/2.7/3.5 [17] II/FPD Large/FPD Small 30/102/50 2.1/7.3/3.6 3.6/12.4/6 Veraview [23] Ant ( cm/ cm/pan +  cm) 31/40/30 2.2/2.9/2.1 3.8/4.9/3.6 [25]  cm 2.9 .2 .06

Using 2007 ICRP calculations. Median of published effective dose for digital dental panoramic radiography  =  14 Sv. Annual per capita  =  3.0 mSv (3,000 Sv) per annum.