Radiology

How often are bitewings recommended every year for dentulous patients? for no high risk factor children (even if you can't see area)?

true or false. The recommendations for prescribing dental radiographs do not need to be altered because of pregnancy

If you are using 70 kVp, how much aluminum filtration is needed?

used to restrict the size and shape of the x-ray beam, and most importantly, reduce pt radiation exposure

type of collimator that restricts the size of the x-ray beam to an area lightly larger than a size 2 film

which is better: circular or rectangular collimator, 8 inch length PID or 16 inche length PID?

true or fase. They thyroid collar protects the highly radiosensitive tissue of the thyroid gland, and it also may be removable

What is the most significant method of reducing a patients exposure to radiation?

the radiographer must stand ________ or at a ___________ angle, and atleast ____ feet away from the beam

personal monitering device; obtained from a special company; worn at waist level whenever exposing films; stored in a radiation safe area when not worn; sent back to service company for evaluation

Maximum dose equivalent that a body is permitted to recieve in a specific period of time; the dose of radiation that the body can endure with little or no injury

MPD for occupationally exposed persons

MPD for nonoccupationally exposed persons and for an occupationally exposed pregnant woman

Radiation dose that an occupationally exposed person accumulates in their lifetime, and must not exceed

What does the ALARA concept state?

What does a dental radiograph detect that can't be detected clinically?

The primary benefit of radiographs is the detection of ________. And the benefit of ________ detection ________ ______ the risk of small doses of radiation

true or false. Radiographs can also confirm suspected diseases, and assist in locating lesions and foreign objects, also can sho changes secondary to trauma, caries, and periodontal disease

true or false. A very effective way of avoiding the gagging stimuli of a pt is to demonstrate film placement

What can be used if intraoral films are impossible?

What is a good way to help distract from gagging?

true or false. The best way to communicate with a pt who is blind is to use clear verbal explanations and always keep the pt informed

a substantial impairment of mental or physical functioning that occurs before the age of 22 and is of indefinite duration

for an edentulous pt, the film should be positioned so that approximately ______ of it extends byond the edentulous ridge