Bitewings
A Bitewing survey can be this # of images
What is 2 or 4
A periapical image shows ___________ of the tooth.
What is the full tooth and root structure?
The paralleling technique requires the use of an __________ kit.
What is XCP (extension cone paralleling)?
The Bisecting technique is based on the geometric principal of equally dividing a _________?
What is triangle?
What error causes overlap on a BW image?
What is incorrect horizontal angulation?
Bitewings can be taken in the horizontal position or in what other position?
What is vertical?
The dentist needs to see at least ___ mm around the apical area for the periapical to be diagnostic.
What is 2?
The paralleling technique requires that the tooth, image receptor and PID all be __________ to each other.
What is parallel?
The triangle created by the angle of the image receptor and the _________ of the tooth is what is divided (or where the PID should be aimed)?
What is the long axis of the tooth?
What happens when too much vertical angulation is used when creating a PA image?
What is foreshortening of the image?
Bitewings show the crowns of the max and mand teeth and the ________ area.
What is interproximal?
How many periapical images would be required to see the posterior teeth in quadrant 1?
What is 2?
The size __ sensor is used for the anterior PA exposures using the Paralleling technique.
What is size one?
When creating an FMS, the assistant should expose the ________ first.
What is the anterior periapicals?
What happens when too little (not enough) vertical angulation is used when creating a PA image?
What is elongation of the image?
Typically, there are ______ BWs in an 18 image FMS.
What is four?
When creating a PA image of the molars, what tooth should the sensor be centered on?
What is the second molar?
The paralleling technique is the recommended technique to use because it provides the most _____image?
What is accurate?
When creating the posterior PAs in an FMS, the assistant should expose the ________ first.
What is the maxillary premolar area?
What can happen if the dental assistant slides the image receptor along the patient's palate?
What is the patient may gag?
The recommended vertical angulation for a BW exposure is __________ degrees.
What is positive 10?
When creating a PA image of the central incisors, what area should the sensor be centered on?
What is the contact area between the centrals?
Why is the paralleling technique not used for every PA created?
What is patient cannot tolerate (small mouth, shallow palate)?
The major disadvantage of the Bisecting technique is that the image can be ____________?
What is dimensionally distorted?
What happens if the patient does not close completely on the sensor when a BW image is being created?
What is the crowns of the teeth on the max and mand may not be fully visible?