Table 7.

Effect of a reduced field of view (FOV) on effective dose (maxillofacial to full mandible)

Reference	FOV1 (cm)	FOV2 (cm)	Dose reduction (%)a
Current study	17 × 12	14 × 5	32
Davies et al5	16 × 13	16 × 6	26
Roberts et al12	16 × 13	16 × 6	33
Schilling and Geibel15	16 × 13	16 × 4	67
Pauwels et al2	16 × 13	16 × 6	46
Morant et al16	16 × 13	16 × 6	42

^aRelative reduction of the tube current exposure time product-normalized effective dose of FOV₂ compared with FOV₁.