Dental Anatomy: Occlusal Surfaces
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Questions and Answers

What is the term used to describe traumatic injuries affecting the hard dental tissues and the pulp?

  • Trauma (correct)
  • Abrasion
  • Caries
  • Erosion

    • How are the areas of the mouth referred to?

  • By numbering system
  • By tooth name
  • By arch and side (correct)
  • By quadrant

    • What is the purpose of a tooth numbering system?

  • To identify the anatomical crown
  • To identify teeth in a quadrant
  • To distinguish between primary and permanent teeth
  • To record data and facilitate communication in clinical practice (correct)

    • How many teeth are there in a complete permanent dentition?

    <p>32</p> Signup and view all the answers

    What is the name of the tooth numbering system developed in 1968?

    <p>Universal system</p> Signup and view all the answers

    What does the first digit of the tooth number represent in the FDI tooth numbering system?

    <p>A quadrant</p> Signup and view all the answers

    Which tooth surface is towards the tongue?

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

    What is the term for the cutting edges of anterior teeth?

    <p>Incisal edges</p> Signup and view all the answers

    What is the term for the masticating surface of posterior teeth?

    <p>Occlusal surface</p> Signup and view all the answers

    What is the collective term for the mesial and distal surfaces of a tooth?

    <p>Proximal surfaces</p> Signup and view all the answers

    What is the term for the tooth surface near to the gingiva?

    <p>Gingival surface</p> Signup and view all the answers

    What is the term for the junction of two walls in cavity preparation?

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

    Which internal wall is towards the pulp and covers the pulp?

    <p>Pulpal wall</p> Signup and view all the answers

    What is the term for the small depression in enamel, usually located in a groove?

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

    Which wall of the cavity preparation extends to the external tooth surface?

    <p>External wall</p> Signup and view all the answers

    What is the term for the centrally located depression or concavity in a tooth?

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

    Which wall in cavity preparation is nearest to the pulp chamber and is approximately parallel to the long axis of the tooth?

    <p>Axial wall</p> Signup and view all the answers

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