The Effects of Additional Filtration on Image Quality and Radiation Dose in Cone Beam CT: An In Vivo Preliminary Investigation

Table 3

Perceived usefulness ratings.

Perceived usefulness ratings (%)
	F0	F1	F2	F3	F4	F5	F6	F7
S1	100	40	40	0	0	0	0	0
S2	100	40	20	0	0	0	0	0
S3	80	20	40	0	0	0	0	0
S4	60	0	40	0	0	0	0	0
S5	60	0	0	0	0	0	0	0

Perceived usefulness ratings (%) and different dental specialties depended on filter settings F0-F7. S1: orthodontics; S2: oral surgery; S3: dental implantology; S4: periodontology; S5: endodontics.