POSITIONING THE PATIENT
14 Prostyle Intra X-ray Unit
User's manual
Bite-wing exposures
In the bite-wing exposures the patient closes the teeth
during the exposure on the film’s tab or on the film/
sensor holder.
Occlusal exposures
In the intraoral occlusal exposures the film or sensor is
positioned between patients upper and lower teeth.
7.2 Positioning the cone
The angle of the cone is indicated on the scale located
on the vertical joint of the tube head.
Select the cone angle from the table below.
Table 1:Angle of inclination of the exposure cone to the horizontal plane
Teeth
Angle of
inclination
Maxilla Molars +35°
Premolars and
canine teeth
+45°
Incisors +55°
Occlusal exposure +75°
Mandible Occlusal exposure -60°
Incisors -20°
Premolars and
canine teeth
-10°
Molars -5°
Bite-wing exposure 5°
Scale for the cone angle
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