Dental Assistant Radiology Flashcards
a coating attached to both sides of the film to give the film greater sensitivity to radiation?
emulsion
calcium tungstate screens emit _____ light?
blue light
what are the 4 sizes for extra oral film?
5x7, 6x12,5x12, 8x10.
what is the film emulsion made of?
gelatin and halide crystals
used to examine the crowns of both maxillary and mandibular teeth on a single film and primarily to detect decay between the teeth. also to detect crestal bone loss
bite-wing technique
what does the size of the focal point do for the film?
the size of the focal point makes the film more detailed.
_______allows viewing of and area in three planes.
computed tomography
the paralleling technique is also known as____
long cone right angle and extension cone
if a film appears light, it was:
under exposed, under developed, little MA, little KVP, not enough time.
what does REM and sivert measure?
they measure radiation that reaches the persons (operator)
what are the 2 units of measurement for radiation in air?
c/kg and roentgen
what does the aluminum filter do to the x-ray beam?
reduces expose to the patient.removes the long weak wave lengths.
narrow anterior film size?
size 1
lionizing types of radiation include?
gamma cosmic and x-rays.
when taking an FMX, where in the mouth do you stared?
anterior right canine #6
where should the thermometer be placed during manual processing?
In the developer solution