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ch41

QuestionAnswer
The bisecting-angle instrument (BAI) uses _____ to determine the correct PID angulation. aiming rings
When using a size #1 film/sensor for anterior images using the paralleling technique, _____ maxillary and _____ mandibular images are exposed. four; three
The exposure sequence for the posterior teeth should begin with the _____ right _____ view. maxillary; premolar
To minimize image distortion, the film must be positioned parallel to the long axis of the tooth.
One reason the bisecting technique is used is when patients have small mouths or low palatal vaults.
What is the usual number of posterior film sensor images taken in the parallel technique? 8
When taking radiographs using film, the white side of the film is always placed toward the teeth.
The American Dental Association recommends that films be mounted according to the labial mounting method.
The American Academy of Oral and Maxillofacial Radiology recommends using the paralleling technique because it provides the most accurate image with the least amount of radiation exposure.
The molar bitewing image should be centered over the second molar.
An intraoral full-mouth survey contains both periapical and bitewing images.
Each of the following statements is true about taking radiographs using the paralleling technique except the film sensor must be placed directly against the teeth being exposed.
Vertical angulation differs according to the technique being used. refers to the up-and-down plane. can be determined in degrees marked on the outside of the tubehead.
For the patient with a hypersensitive gag reflex, the teeth that should be exposed last are maxillary molars.
When taking a premolar bitewing image, the anterior edge of the film sensor should be placed on the distal half of the canine.
To correct an elongated image on an x-ray view, the vertical angulation needs to be increased.
When taking periapical x-rays, the patient’s head is _____ for maxillary films and _____ for the mandibular arch. upright; tilted back slightly
When mounting radiographs, it is important to know the anatomy of the maxilla and mandible. mount the films in the order of the teeth. label the mount with the patient’s name and date before mounting the films.
What size of dental film is used for imaging the anterior region of the mouth with the paralleling technique? #1
Angulation of the PID is critical to ensure that the central ray is perpendicular to the bisector line in which of the following techniques? Bisecting
When using a #2 film/sensor for anterior views using the paralleling technique, the number of anterior images taken is 6
The number of bitewing films needed is based on the curvature of the arch and the number of teeth present in the posterior areas.
Created by: ARIGON5248
 

 



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