If the pulp of a single rooted tooth canal were triangular in cross section with the base of the triangle located facially and the apex lingually with a longer mesial side than distal side; the tooth most likely is_____________?

If the pulp of a single rooted tooth canal were triangular in cross section with the base of the triangle located facially and the apex lingually with a longer mesial side than distal side; the tooth most likely is_____________?

A. Maxillary central incisor
B. Maxillary second premolar
C. Mandibular lateral incisor
D. Mandibular central incisor

The maxillary molar crown of an early fossil primate featured a trigone made of three main cusps, these cusps were_____________?

The maxillary molar crown of an early fossil primate featured a trigone made of three main cusps, these cusps were_____________?

A. Distrobuccal, distolingual and Mesiolingual
B. Distolingual, Mesiobuccal, and Linguo buccal
C. Mesiobuccal, Distobuccal and Mesiolingual
D. Mesiolingual, Mesiobuccal and distolingual