Progeny JB-70 - Page 22

Setting Pre-programmed Exposure Times JB-70
17
Times for 12 inch (30 cm) Cone in Seconds 60 Hz (50 Hz Times in Parenthesis)
Digital Receptor
D-speed Film
E/F Speed Film
Anatomy
Adult
Child
Adult
Child
Adult
Child
Incisor
0.233
(0.280)
0.117
(0.140)
0.600
(0.720)
0.300
(0.360)
0.367
(0.440)
0.183
(0.220)
Bicuspid
0.300
(0.360)
0.150
(0.180)
0.600
(0.720)
0.300
(0.360)
0.367
(0.440)
0.183
(0.220)
Bitewing
0.233
(0.280)
0.117
(0.140)
0.733
(0.880)
0.333
(0.400)
0.417
(0.500)
0.200
(0.240)
Lower
Molar
0.233
(0.280)
0.117
(0.140)
0.733
(0.880)
0.333
(0.400)
0.417
(0.500)
0.200
(0.240)
Upper
Molar
0.367
(0.440)
0.183
(0.220)
0.833
(1.00)
0.417
(0.500)
0.467
(0.560)
0.233
(0.280)
The above tables are a guide by which the user may change. If the suggested
exposure time does not produce the density desired, use table on next page to write the
best time for this office.