<prompt> Which of the following is not a type of trait of the permanent maxillary second premolar?Buccal view: narrow shoulders margins of crown; mesio- and disto-occlusal angles.Occlusal table outline: ovoid.Mesiomarginal groove interrupts mesial marginal ridge.Lingual view: buccal profile is not visible.  <response>: No, or almost never does the mesial marginal developmental groove cross the mesial marginal ridge. 