Permanent Maxillary Premolars Flashcards
1
Q
How many cusps do the maxillary premolars have? Which ones?
A
one facial and one lingual
2
Q
Compare the sizes of the major cusps.
A
two cusps are approximately equal in size and prominence. lingual cusp is approx. 1.0mm shorter than the facial cusp.
3
Q
The crowns from the occlusal aspect are larger in which direction: faciolingually or mesiodistally. by how much?
A
much wider (2.0mm) faciolingually than they are mesiodistally.
4
Q
In which direction is the incline from the height of contour to the cusp tip when seen as the facial profiles from the proximal aspect.
A
the facial profiles, when viewed from the proximal aspect, are only slightly inclined lingually from the height of contour to the cusp tip.
