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

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

<p>Universal system (A)</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 (C)</p> Signup and view all the answers

Which tooth surface is towards the tongue?

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

<p>Fossa (C)</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 (C)</p> Signup and view all the answers

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