FIELD: medicine.
SUBSTANCE: method involves placing head in a way that sagittal plane of the head takes perpendicular relation with respect to table plane. The X-ray picture is taken with cranium sagittal plane being arranged in perpendicular to radiographic cassette plane and roentgen beam is directed vertically to its center tangentially to nose dorsum of patient.
EFFECT: reduced amount of radiation load.
3 dwg
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