5 Questions
What is the shape of the crown of the maxillary second premolar from the buccal aspect?
Trapezoidal
How many cusps does the maxillary second premolar have?
Two
Where is the mesial contact area located on the buccal surface of the maxillary second premolar?
At the junction between middle and occlusal third
What is the shape of the lingual cusp of the maxillary second premolar compared to the facial cusp?
Longer
What characterizes the lingual aspect of the maxillary second premolar?
Lingual cusp at nearly same length as buccal cusp
Study Notes
Maxillary Second Premolar Characteristics
- The crown of the maxillary second premolar appears ovoid or egg-shaped from the buccal aspect.
- The maxillary second premolar has two cusps.
- The mesial contact area is located at the junction of the occlusal and middle thirds of the buccal surface of the maxillary second premolar.
- The lingual cusp is smaller than the facial cusp of the maxillary second premolar.
- The lingual aspect of the maxillary second premolar is characterized by a shallow, curved groove that separates the cusps.
Test your knowledge of the dental anatomy of the permanent maxillary second premolar with this quiz. Learn about its unique characteristics, including the shape of the crown, cusps, and roots.
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