Table 1.

Cone beam CT scan pre-sets for energies in the range of 40 to 120 kVp

Image acquisition pre-sets
Subject position			Feet first prone (FFP)
Voxel pitch			0.1034 × 0.1034 × 0.1034 [mm3]
Mean protocol dose			30 [cGy]
Energy	Current	Frame rate	Rotational speed	Gain	Exposure
[kVp]	[mA]	[fps]	[rpm]		[mAs]
40	9.26	7.5	0.50	Mid	1111.2
50	5.59	10.0	0.50	Mid	670.8
60	3.18	10.0	0.40	Mid	477.0
70	1.54	7.5	0.25	Mid	369.6
80	2.50	5.0	0.50	Low	300.0
90	2.08	5.0	0.50	Low	249.6
100	1.78	5.0	0.50	Low	213.6
110	1.54	5.0	0.50	Low	184.8
120	1.36	5.0	0.50	Low	163.2

FFP, feet first prone;

For dual-energy CT protocols, the mean dose is 30 cGy for each energy.