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ADA NBDE National Board Dental Part I

Category - NBDE

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Which of the following teeth has the smallest and most ill-defined lingual cusp of any of the premolars?

Maxillary first premolar
Mandibular first premolar
Maxillary second premolar
Mandibular second premolar

Explanation

Answer: B - The mandibular first premolar has the smallest and most ill-defined lingual cusp of any of the premolars. A distinctive feature is the mesiolingual developmental groove.

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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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