Tables of Exposure Times
70kV - 7mA
Maxillary
Mandibular
Bitewing
Occlusal
70kV - 4mA
Maxillary
Mandibular
Bitewing
Occlusal
1 August 2006
The following exposure time tables were established with a unit equipped
with a standard cone that corresponds to a focus-to-skin distance of 20 cm
(8 inches).
Table 19. Exposure times in seconds for type 6 films
Cone 20 cm (8 in.)
Child
Incisor
0.12
Bicuspid
0.12
Premolar
0.15
Molar
0.18
Incisor
0.10
Bicuspid
0.10
Premolar
0.11
Molar
0.12
Anterior
0.10
Posterior
0.12
0.20
Table 20. Exposure times in seconds for type 6 sensors
Cone 20 cm (8 in.)
Child
Incisor
0.06
Bicuspid
0.06
Premolar
0.08
Molar
0.09
Incisor
0.05
Bicuspid
0.05
Premolar
0.06
Molar
0.06
Anterior
0.05
Posterior
0.06
0.11
SM701_K2200_2_en
60kV - 7mA
Adult
Maxillary
0.18
Incisor
0.18
Bicuspid
0.23
Premolar
0.27
Mandibular
0.15
Incisor
0.15
Bicuspid
0.16
Premolar
0.18
Bitewing
0.15
Anterior
0.18
Posterior
Occlusal
0.31
60kV - 4mA
Adult
Maxillary
0.10
Incisor
0.10
Bicuspid
0.12
Premolar
0.14
Mandibular
0.08
Incisor
0.08
Bicuspid
0.09
Premolar
0.10
Bitewing
0.08
Anterior
0.10
Posterior
Occlusal
0.16
Cone 20 cm (8 in.)
Child
0.24
0.24
0.31
Molar
0.36
0.19
0.19
0.22
Molar
0.24
0.19
0.24
0.40
Cone 20 cm (8 in.)
Child
0.13
0.13
0.16
Molar
0.19
0.10
0.10
0.11
Molar
0.13
0.10
0.13
0.21
Adult
0.37
0.37
0.47
0.54
0.29
0.29
0.33
0.37
0.29
0.37
0.61
Adult
0.19
0.19
0.25
0.29
0.15
0.15
0.17
0.19
0.15
0.19
0.32
5-7