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Bitewing Examination

MOD 6 Chpt 14 Key Terms

Bitetab An extention, usually made of paper, attached to film packet to stabilize film during BW exposure.
Bitewing radiograph An intraoral radiograph that shows the crowns of both upper and lower teeth on the same x-ray.
Contact points Area of tooth surface that touches another tooth.
Embrasures The interproximal space under the contact points of adjacent teeth.
External aiming device Indicator ring on the XCP/RINN system.
Film loop Bitewing loop, cardboard loop used as a film holder in a BWX.
Horizontal bitewing radiograph Bitewing x-ray placed in the oral cavity horizontally.
Interproximal radiograph BWX's primarily for cavity detecting.
Negative angulation When the PID is tipped upward to direct the x-rays toward the ceiling. (-angulation)
Overlap Distoration of the tooth image when adjacent teeth are superimposed on each other. Incorrect horizontal angulation.
Point of entry Spot on the face in which radiation is directed when exposing intraoral x-rays.
Positive angulation When the PID is tipped downward to direct radiation toward the ground. (+angulation)
Vertical angulation Direction of the central beam in a vertical plane. (up or down)
Vertical bitewing radiograph BWX placed in the oral cavity vertically.
Horizontal angulation Direction of the central beam in a horizontal plane. (mesial or distal)
Created by: mgarrett