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Facial View Orthodontic Measurements Quiz
8 Questions
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Facial View Orthodontic Measurements Quiz

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@GentlePeachTree

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Questions and Answers

What is the purpose of observing a frontal view with a full smile in facial analysis?

  • To determine the location of the facial midline in relation to the maxillary dental midline
  • To evaluate tooth exposure at rest
  • To assess the parallelism between the interpupillary line and the occlusal plane
  • To assess lip anatomy in terms of symmetry and fullness (correct)

    • How can the parallelism between the interpupillary line and the occlusal plane be clinically visualized?

  • By determining the location of the facial midline
  • By using a length of floss (correct)
  • By assessing tooth exposure at rest
  • By evaluating lip anatomy in profile view

    • What determines whether a case should be 'built out' facially or not?

  • Location of the facial midline in relation to the maxillary dental midline
  • Parallelism between the interpupillary line and the occlusal plane
  • Degree of lip support (correct)
  • Tooth exposure at rest

    • According to Vig and Brundo’s study, what is the tooth exposure of a woman's maxillary central incisors at age 60 with the lip at rest?

    <p>No longer displayed</p> Signup and view all the answers

    What is the reason for the decrease in maxillary central display over time?

    <p>Loss of muscle tone, gravity, and wear of the incisal edges</p> Signup and view all the answers

    How is the amount of tooth display at rest assessed?

    <p>Asking patients to relax their lips and say the word 'Emma'</p> Signup and view all the answers

    What does a nasolabial angle of less than 90° indicate?

    <p>Prominent maxilla, requiring smaller and less dominant restorations</p> Signup and view all the answers

    What is the purpose of lengthening the incisal edges of patients' teeth?

    <p>To achieve a more youthful appearance</p> Signup and view all the answers

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