Table 2.

Noise, uniformity, geometric distortion, and AAV obtained for different protocols on CS 9300 CBCT.

FOV ${\mathrm{cm}}^2$ ($\text{diameter}\times \text{height}$)	Patient type	Noise (%)	Uniformity (%)	Geometric distortion (mm)	AAV
$17\times 11$	Child	19.5	93.5	9.98	0.4
	Adult small	17.9	93.9	9.97	0.4
	Adult average	16.4	94.8	9.99	0.3
	Adult large	13.7	96.9	10.01	0.3
$17\times 6$	Child	9.9	98.5	9.97	0.3
	Adult small	9.1	99.1	9.99	0.3
	Adult average	8.2	99.7	9.98	0.2
	Adult large	7.5	98.8	9.98	0.3
$8\times 8$	Child	7.6	94.4	10.00	0.3
	Adult small	7.3	95.6	10.00	0.3
	Adult average	6.1	98.3	10.00	0.3
	Adult large	6.4	98.4	10.05	0.3
$10\times 10$	Child	9.5	93.6	10.01	0.3
	Adult small	8.8	94.2	10.02	0.3
	Adult average	8.2	94.3	10.04	0.3
	Adult large	7.1	96.0	9.95	0.3
$10\times 5$	Child	8.6	95.8	10.02	0.4
	Adult small	8.6	95.9	10.02	0.4
	Adult average	7.9	96.1	10.02	0.4
	Adult large	7.1	98.5	10.01	0.3
$5\times 5$	Child	12.5	97.5	10	0.4
	Adult small	10.8	96.6	10	0.4
	Adult average	9.4	96.6	10	0.4
	Adult large	8.5	95.3	10	0.4