Table 6.
Reference | FOV position | Dose reduction (%)a |
---|---|---|
Current study | Anterior maxilla | 52 |
Hirsch et al6 | Anterior maxilla | 54 |
Current study | Lower molar | 32 |
Okano et al3 | Lower molar | 51 |
Relative reduction of the tube current exposure time product-normalized effective dose of a 4 × 4-cm FOV compared with a 6 × 6-cm FOV.