International Journal of Dentistry / 2009 / Article / Tab 2 / Review Article
Use of Cone Beam Computed Tomography in Endodontics Table 2 Reported Comparative Radiation Effective Dose (
) from Selected Medium and Full FOV CBCT Systems.
Dose
Absolute Comparative CBCT unit Ref. Technique Effective dose
(
Sv) Digital panoramic equivalent
No. of days of annual per capita background
CB MercuRay [16 ] 100 kVp 12-in/9-in/6-in 479/402/369 34/29/26 58/49/45 [16 ] 120 kVp 12-in/9-in/6-in 761/680/603 54/49/40 93/83/73 [17 ] Implant mode 511 36.5 62 [18 ] 19 cm (Max/Stand)/15 cm Pan/10 cm I 1073/569/560/407 77/41/40/20 131/69/68/50 Galileos [18 ] Default/Maximum 70/128 5/9.1 8.5/15.6 i-Cat Next Gen [18 ] (portrait-17 cm/landscape-13 cm) 74/87 5.3/6.2 9/10.6 i-Cat Classic [19 ] 22 cm/13 cm (40 s/10 s) 82/77/48 5.9/5.5/3.4 10/9.4/5.8 [20 ] 6 cm Mn (HR/LR) 189/96 13.5/6.86 23/11.7 [20 ] 6 cm Mx (HR/LR) 93/59 6.6/4.2 11/7.2 [20 ] 22 cm/full 206/134 14.7/9.6 25/16 [21 ] 13 cm 61.1 4.4 7.4 Iluma [18 ] 20 s/40 s 98/498 7/35.6 11.9/60.6 Newtom 9000 [21 ] 23 cm 56.2 4 6.9 Newtom 3G [22 ] 12-in (Male/female) 93/95 6.6/6.8 11.3/11.6 [18 ] 19 cm 68 4.9 8.3 [19 ] 6/9/12-in 57/191/30 4/13.6/2.1 6.9/23.2/3.7
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.