Effects of Masticatory Forces on Teeth

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Questions and Answers

What effect does the separation of the jaw alter vertically have on the bite?

  • Opens the bite anteriorly (correct)
  • Contracts the bite anteriorly
  • Closes the bite posteriorly
  • Expands the bite posteriorly

How does the alteration in the balance between cheek and tongue pressure affect arch form?

  • Results in vertical expansion of arch form
  • Leads to widening of arch form
  • Causes narrowing of arch form (correct)
  • Has no effect on arch form

What is the consequence of placing the thumb between the teeth regarding tongue pressure?

  • Shifts tongue pressure to lower anterior teeth
  • Decreases tongue pressure against upper posterior teeth (correct)
  • No impact on tongue pressure
  • Increases tongue pressure against upper posterior teeth

Where are cheek pressures greatest when sucking, according to the text?

<p>At the corners of the mouth (D)</p> Signup and view all the answers

What is a possible consequence of thumb-sucking persisting after permanent teeth eruption?

<p>Increased overjet (A)</p> Signup and view all the answers

How might playing a wind instrument affect dentofacial development?

<p>Result in a class 3 malocclusion (A)</p> Signup and view all the answers

What can happen to maxillary teeth due to increased cheek pressure at the corners of the mouth?

<p>They become V-shaped (D)</p> Signup and view all the answers

What is a potential impact of playing a clarinet on dentofacial development?

<p>Anterior open bite (A)</p> Signup and view all the answers

How does the buccinator muscle affect maxillary teeth according to the text?

<p>It constricts them across canines (C)</p> Signup and view all the answers

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