Max. Premolars Flashcards
What is the crown shape of the maxillary first premolar from the buccal aspect?
Pentagon-shaped with a prominent buccal ridge.
Which cusp is shorter in the maxillary first premolar, the buccal or the lingual?
The lingual cusp is shorter.
What unique groove is present on the mesial aspect of the maxillary first premolar?
The mesial marginal developmental groove.
Where is the distal marginal ridge located relative to the mesial marginal ridge in the maxillary first premolar?
It is more cervical.
What is the outline shape of the occlusal surface of the maxillary first premolar?
Hexagonal.
How does the buccal ridge of the maxillary second premolar compare to the first premolar?
It is less prominent.
Where is the lingual cusp tip located in the maxillary second premolar?
It is mesial to the midline.
What is the height difference between the buccal and lingual cusps in the maxillary second premolar?
They are almost the same height.
Which root depression is deeper in the maxillary second premolar, mesial or distal?
The distal root depression is deeper.
What characterizes the occlusal surface of the maxillary second premolar?
It has a wrinkled appearance due to supplemental grooves.
