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RINN XCP Instrumentation
The XCP (Extension Cone Paralleling) technique produces radiographs with minimal distortion and presents the objects being radiographed in their true anatomical relationship and size.
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- A long cone, of PID (position indicating device), or 12-16" should be used for the most accurate radiographs.
- To position the film parallel to the tooth and without distortion, the film holder and film may need to be moved away from the tooth being radiographed, into the center of the mouth.
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