1
Who gives informed consent for a minor?
Legal guardian
What two methods are used for obtaining periapical images?
Bisecting and paralleling
Paralleling stated that the receptor must be parallel to the long axis of the tooth
If the PID was not properly aligned with the periapical receptor what would happen to your image?
The image would be cone cut
Microorganisms capable of causing disease are called what?
Pathogens
What is a panoramic xray used for?
An extraoral technique for dental image examinations
How does an unexposed film look?
Clear
Always separate exposed an unexposed film and PSP receptors to avoid?
Double exposure
Which surface on an xray machine must be covered or disinfected?
Tubehead, control panel, exposure button, PID
What could an occlusal xray be used to see?
The patients mandible arch
Why would a film appear black?
Exposure to light
What should be removed by the patient prior to taking xrays?
Jewelry, glasses, gum, dentures, and/or partials
What are two important facts about the gag reflex?
Once the gag reflex is stimulated, the patient may gag on receptors that could normally be tolerated
Whoever is taking the xrays should try not to stimulate the patient gag reflex
Incorrect horizontal angulation causes what?
Overlapping contacts
What xray image captures the crown, roots, and supporting bone of a tooth?
Periapical
On an xray film, where should the dot be placed in relation to a bite block?
In the slot
If the vertical angulation is excessive, what would happen to your image?
Teeth would appear short with blunted roots