In which of the tooth is the mesiodistal measurements is greater lingually than facially________________?
Correct answer: D. Maxillary 1st molar
- A. Maxillary 1stpremolar
- B. Mandibular 2ndpremolar
- C. Mandibular 1st premolar
- D. Maxillary 1st molar
Explanation
The maxillary first molar is an exception in which the mesiodistal width on the lingual aspect may exceed that on the facial aspect. Its rhomboidal outline and oblique arrangement of cusps produce this characteristic relationship.
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