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Film and cylinder placement: maxillary incisor area | Up
Dental Technican, Volume 2 - Dentist training manual for military dentists | Next
BISECTING-ANGLE TECHNIQUE |
Figure 1-15.—Film and cylinder placement: maxillary cuspid area.
5. Adjust the locator ring and align the tubehead
cylinder.
6. Make the exposure.
Mandibular Bicuspid Area
1. Set the exposure time to the manufacturer's
suggested impulses.
2. Assemble the posterior paralleling device.
3. Position the paralleling device with film in
the patient's mouth. Position the film packet so that
it is centered on the second bicuspid and parallel
with its long axis (fig. 1-20).
4. Place a cotton roll on the upper surface of the
bite-block and have the patient close.
5. Adjust the locator ring and align the tubehead
cylinder.
6. Make the exposure.
Mandibular Molar Area
1. Set the exposure time to the manufacturer's
suggested impulses.
2. Assemble the posterior paralleling device.
3. Position the paralleling device with film in the
patient’s mouth. Position the film packet. Center the
film on the second molars, so the anterior edge of the
film includes at least the distal half of the second
bicuspid. The film should be parallel with the long
axis of the molars (fig. 1-21).
4. Place a cotton roll on the upper surface of the
bite-block and have the patient close.
5. Adjust the locator ring and align the tubehead
cylinder.
1-13
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