Dental Anatomy and Tooth Description
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Questions and Answers

What is the main function of the upper and lower canines?

  • Esthetic
  • Growth of the jaws
  • Speaking
  • Mastication (correct)

    • How many lobes does the upper canine have?

  • Four lobes, three labially and one lingually (correct)
  • Four lobes, all labially
  • Three lobes, all lingually
  • Three lobes, two labially and one lingually

    • Which aspect of the lower canine is not shared with the upper canine?

  • Incisal
  • Labial
  • Lingual
  • Distal (correct)

    • What is the geometric outline of the crown for both upper and lower canines?

    <p>Trapezoid facially and lingually (B)</p> Signup and view all the answers

    Which part of the crown outline of the upper canine is convex till the contact area and then continues as concave till the cusp tip?

    <p>Mesial outline (B)</p> Signup and view all the answers

    What type of outline does the cervical part of the upper canine have?

    <p>Convex root wise (B)</p> Signup and view all the answers

    Which tooth has a crown that is shorter, narrower, and thinner compared to the other?

    <p>Lower 3 (B)</p> Signup and view all the answers

    Where is the cusp tip located in relation to the center of the crown in Upper 3?

    <p>Slightly mesial to the center (D)</p> Signup and view all the answers

    Where is the contact area located in relation to the incisal edge?

    <p>More cervically (B)</p> Signup and view all the answers

    Which tooth has a more prominent labial ridge?

    <p>Upper 3 (B)</p> Signup and view all the answers

    Which tooth has a root that is longer, slender, and conical?

    <p>Upper 3 (A)</p> Signup and view all the answers

    In which tooth does the lingual ridge extend from the cusp tip till the cingulum?

    <p>Upper 3 (D)</p> Signup and view all the answers

    What shape do the proximal aspects of the crowns have in both Upper 3 and Lower 3?

    <p>Triangular (D)</p> Signup and view all the answers

    Where is the crest of curvature on the labial outline of Upper 3?

    <p>At the cervical third (D)</p> Signup and view all the answers

    How is the lingual outline of Lower 3 different from Upper 3?

    <p>Concave in the middle (C)</p> Signup and view all the answers

    What distinguishes the root surface of Lower canine from that of Upper canine?

    <p><em>It has broad surface with longitudinal depression</em>The depression is shallower mesially than distally<em>It may have a deep depression causing root bifurcation</em>All of the above (A)</p> Signup and view all the answers

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