Radiographic Examination and Interpretation in Dentistry
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Questions and Answers

Which cone angle is preferred for taking radiographs of maxillary anterior teeth?

  • No specific angle preference
  • Distal angle
  • Mesial angle
  • Straight facial angle (correct)
  • When taking radiographs of mandibular premolars, which cone angle is recommended?

  • Mesial angle (correct)
  • Distal angle
  • Straight facial angle
  • No specific angle preference
  • What is the suggested cone angle for capturing radiographs of mandibular molars?

  • No specific angle preference
  • Mesial angle
  • Straight facial angle
  • Distal angle (correct)
  • For which type of teeth should the mesial cone angle be utilized during radiographic examination?

    <p>Maxillary premolars and molars</p> Signup and view all the answers

    Which horizontal cone angulation should be employed when capturing radiographs of mandibular incisor teeth?

    <p>Distal angle</p> Signup and view all the answers

    What imaging technique provides anatomic features in 3D that intraoral and panoramic images cannot?

    <p>&quot;CBCT&quot; (Cone Beam Computed Tomography)</p> Signup and view all the answers

    What is recommended to prevent subjecting the patient to unnecessary radiation exposures?

    <p>Taking two pre-treatment images from different angulations</p> Signup and view all the answers

    In which case may additional exposures be necessary according to the text?

    <p>To determine the presence of multiple roots and canals</p> Signup and view all the answers

    Which technique involves placing the film parallel to the long axis of the teeth?

    <p>Paralleling technique</p> Signup and view all the answers

    What is the most practical source film distance used in most dental offices?

    <p>16 inches</p> Signup and view all the answers

    What is the main reason for using different angulations for pre-treatment images?

    <p>To minimize radiation exposure</p> Signup and view all the answers

    Why is it important to increase the object film distance in radiography?

    <p>To reduce radiation exposure</p> Signup and view all the answers

    What is one major advantage of using the paralleling technique for periapical radiography?

    <p>Improved accuracy of images</p> Signup and view all the answers

    Why is the paralleling technique difficult to use in patients with a shallow vault?

    <p>Challenges with positioning the X-ray sensor parallel to the tooth and film</p> Signup and view all the answers

    Which disadvantage is specifically associated with the bisecting angle technique for periapical radiography?

    <p>Cone cutting</p> Signup and view all the answers

    What does the bisecting angle rule state regarding the direction of the central ray in intraoral radiography?

    <p>Directed perpendicular to a line bisecting the angle formed by the plane of the long axis of the tooth and plane of the film</p> Signup and view all the answers

    How do radiographs assist in endodontics?

    <p>By helping identify abnormalities like root curvature and canal calcifications</p> Signup and view all the answers

    Which statement is true regarding periapical radiography techniques in endodontics?

    <p>Bisecting angle technique can cause superimposition of anatomic structures</p> Signup and view all the answers

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