The maxillary molar crown of an early fossil primate featured a trigone made of three main cusps, these cusps were_____________?
Correct answer: B. Mesiobuccal, Distobuccal and Mesiolingual
- A. Distrobuccal, distolingual and Mesiolingual
- B. Mesiobuccal, Distobuccal and Mesiolingual
- C. Distolingual, Mesiobuccal, and Linguo buccal
- D. Mesiolingual, Mesiobuccal and distolingual
Explanation
The primitive maxillary molar trigone consisted of the protocone, paracone, and metacone, corresponding to the mesiolingual, mesiobuccal, and distobuccal cusps. The distolingual cusp was not part of this original three-cusp group.
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