Practice Quiz

INBDE Integrated National Board Dental Exam Prep

Category - INBDE

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Which of the following teeth presents a pentagonal "home plate" occlusal outline that is distinctive for this tooth?

  1. Maxillary first permanent molar
  2. Maxillary second permanent molar
  3. Mandibular first permanent molar
  4. Mandibular second permanent molar
Explanation

Answer: C - The mandibular first permanent molar presents a pentagonal "home plate" occlusal outline that is present only in this tooth. The function of this molar is similar to that of all molars, with grinding being the principal action during mastication, commonly known as chewing. There are usually five well-developed cusps.

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