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ADA NBDE National Board Dental Part I

Category - NBDE

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

Maxillary first permanent molar
Maxillary second permanent molar
Mandibular first permanent molar
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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ADA NBDE National Board Dental Part I

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ADA NBDE National Board Dental Part I

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