Mastering Horizontal Angulation in Dental Radiography
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Questions and Answers

Which areas are included in a bite-wing image?

  • The occlusal surfaces of maxillary and mandibular teeth
  • The roots of maxillary and mandibular teeth
  • The facial surfaces of maxillary and mandibular teeth
  • The crowns of maxillary and mandibular teeth (correct)

    • What is the primary reason for taking bite-wing images?

  • To monitor the progression of caries
  • To check existing restorations
  • To check gum disease
  • To detect interproximal caries (tooth decay) (correct)

    • What is the purpose of the bite-wing technique?

  • To examine the occlusal surfaces of teeth
  • To examine the lingual surfaces of teeth
  • To examine the interproximal surfaces of teeth (correct)
  • To examine the facial surfaces of teeth

    • Which plane does horizontal angulation refer to?

    <p>Frontal plane</p> Signup and view all the answers

    What happens when there is incorrect horizontal angulation?

    <p>The contact areas appear overlapped</p> Signup and view all the answers

    What is the recommended vertical angulation when using a bite-wing tab without a beam alignment device?

    <p>+10 degrees</p> Signup and view all the answers

    What is the purpose of stabilizing the bite-wing receptor when using the bite-wing technique?

    <p>To ensure parallelism</p> Signup and view all the answers

    Which direction is the long portion of the bite-wing receptor placed in a vertical bite-wing technique?

    <p>Vertical</p> Signup and view all the answers

    What color is the aiming ring of the Rinn XCP bite-wing instrument?

    <p>Red</p> Signup and view all the answers

    What size bite-wing receptor is recommended for adult patients?

    <p>Size 2</p> Signup and view all the answers

    Why is a size 3 receptor not recommended for bite-wing exposures in adult patients?

    <p>It results in overlapped contacts</p> Signup and view all the answers

    Where should the receptor be positioned for premolar bitewing placement?

    <p>On the mandibular second premolar</p> Signup and view all the answers

    What is an edentulous space?

    <p>An area where teeth are no longer present</p> Signup and view all the answers

    What is the purpose of placing a cotton roll in the area of a missing tooth?

    <p>To support the bite-wing tab or beam alignment device</p> Signup and view all the answers

    Which angulation is responsible for overlapped contact areas in a bite-wing image?

    <p>Incorrect horizontal angulation</p> Signup and view all the answers

    What is the recommended vertical angulation when using a bite-wing tab without a beam alignment device?

    <p>+10 degrees</p> Signup and view all the answers

    Which receptor placement rule states that the bite-wing receptor must be positioned parallel to the crowns of both maxillary and mandibular teeth?

    <p>Receptor position</p> Signup and view all the answers

    What is the consequence of using an excessive negative vertical angulation when exposing a bite-wing image?

    <p>Nondiagnostic image</p> Signup and view all the answers

    Which size bite-wing receptor is recommended for examining the posterior teeth of children with primary dentitions?

    <p>Size 0</p> Signup and view all the answers

    What is the recommended size of the bite-wing receptor for bite-wing exposures in adult patients?

    <p>Size 2</p> Signup and view all the answers

    In which direction is the long portion of a size 2 bite-wing receptor placed for most bite-wing exposures?

    <p>Horizontal</p> Signup and view all the answers

    What is the purpose of using a beam alignment device or a bite-wing tab in the bite-wing technique?

    <p>To stabilize the receptor</p> Signup and view all the answers

    Which one of these is the primary reason for taking bite-wing images?

    <p>To detect interproximal caries</p> Signup and view all the answers

    What is the purpose of the bite-wing technique?

    <p>To inspect the crowns of both maxillary and mandibular teeth</p> Signup and view all the answers

    What is the function of a bite-wing receptor?

    <p>To stabilize the patient's bite during the exposure</p> Signup and view all the answers

    Which teeth should the receptor be centered on for molar bitewing placement?

    <p>Mandibular second molar</p> Signup and view all the answers

    What is the purpose of using a vertical bite-wing image?

    <p>To examine the level of alveolar bone</p> Signup and view all the answers

    What is the recommended technique modification for bite-wing receptor placement in an edentulous space?

    <p>Place a cotton roll in the area of the missing tooth</p> Signup and view all the answers

    Which teeth should the receptor be centered on for premolar bitewing placement?

    <p>Mandibular second premolar</p> Signup and view all the answers

    What is the purpose of using a cotton roll in the area of a missing tooth during bite-wing exposures?

    <p>To support the bite-wing tab or beam alignment device</p> Signup and view all the answers

    What is the recommended size of the bite-wing receptor for posterior teeth in adult patients?

    <p>Size 2</p> Signup and view all the answers

    Which one of these is NOT included in a bite-wing image?

    <p>The roots of teeth</p> Signup and view all the answers

    What is the purpose of using a bite-wing tab in the bite-wing technique?

    <p>To stabilize the bite-wing receptor</p> Signup and view all the answers

    What is the primary reason for taking bite-wing images?

    <p>To detect interproximal caries</p> Signup and view all the answers

    Which angulation is recommended when using a bite-wing tab without a beam alignment device?

    <p>+10 degrees</p> Signup and view all the answers

    What is the recommended size of the bite-wing receptor for bite-wing exposures in adult patients?

    <p>Size 2</p> Signup and view all the answers

    What happens when there is incorrect horizontal angulation?

    <p>Contact areas appear overlapped</p> Signup and view all the answers

    What is the purpose of using a beam alignment device or a bite-wing tab in the bite-wing technique?

    <p>To direct the central ray through the contact areas between teeth</p> Signup and view all the answers

    Which of the following is true about overlapped contacts in a bite-wing image?

    <p>Overlapped contacts occur when the contact area of one tooth is superimposed over the contact area of an adjacent tooth</p> Signup and view all the answers

    What is the recommended size of the bite-wing receptor for examining the posterior teeth of children with primary dentitions?

    <p>Size 0</p> Signup and view all the answers

    Which direction is the long portion of a size 2 bite-wing receptor placed for most bite-wing exposures?

    <p>Horizontal</p> Signup and view all the answers

    Why is a size 3 receptor not recommended for bite-wing exposures in adult patients?

    <p>It results in overlapped contacts</p> Signup and view all the answers

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