True

False

Patient radiation dose may be reduced when using long PID (16 in)

Takes less time than trying to locate position of imaginary bisector

Minimizes superimposition of adjacent structures

Many choices of image receptors available

Produces images with minimal dimensional distortion

External aiming devices specifically designed to make paralleling simple and easy to learn

Long axis of tooth and recording plane of image receptor can be visually located

Works especially well on children and adults with small mouths

Long PID has potential to be difficult to maneuver and stabilize

Increased patient discomfort when image receptor impinges on oral tissues, when certain conditions exist (e.g. tori)

Limited choices of image receptor holders available

Parallel placement of image receptor may be difficult to achieve on certain patients (e.g. children, adults with small mouths, etc.)

True

False

True

False

False

True

First statement is true. Second statement is false.

First statement is false. Second statement is true.

Both statements are true.

Both statements are false.

False

True

True

False

True

False