Mandibular Permanent Incisors: Development and Characteristics
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Questions and Answers

What is the shape of the incisal aspect of the mandibular lateral incisor?

  • Four-sided or diamond (correct)
  • Rectangular
  • Triangular
  • Oval

At what age is the root of the mandibular lateral incisor completed?

  • 7-8 years
  • 3-4 months
  • 10 years (correct)
  • 4-5 years

How many lobes does the mandibular lateral incisor have?

  • Four (correct)
  • Three
  • Five
  • Six

What is the function of the mandibular lateral incisor?

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

How many surfaces does the mandibular lateral incisor have?

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

What is the characteristic of the distal contact area of the mandibular lateral incisor?

<p>It is at the same level as the mesial surface (D)</p> Signup and view all the answers

What is the shape of the distal angle of the mandibular lateral incisor?

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

How does the mandibular lateral incisor relate to the central incisor?

<p>It makes contact mesially with the distal surface of the central incisor (A)</p> Signup and view all the answers

What is the characteristic of the mesial marginal ridge of the mandibular lateral incisor?

<p>It is longer than the distal marginal ridge (D)</p> Signup and view all the answers

How does the size of the mandibular lateral incisor compare to the mandibular central incisor?

<p>It is larger than the central incisor by about 0.5 mm in all dimensions (B)</p> Signup and view all the answers

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