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Dental Anatomy: Maxillary Second Premolar

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Dental Anatomy: Maxillary Second Premolar

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Questions and Answers

What is the shape of the crown of the maxillary second premolar from the buccal aspect?

Circular

Triangular

Rectangular

Trapezoidal (correct)

How many cusps does the maxillary second premolar have?

One

Two (correct)

Four

Three

Where is the mesial contact area located on the buccal surface of the maxillary second premolar?

At the junction between cervical and middle third

At the junction between occlusal and cervical third

At the junction between cervical and occlusal third

At the junction between middle and occlusal third (correct)

What is the shape of the lingual cusp of the maxillary second premolar compared to the facial cusp?

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What characterizes the lingual aspect of the maxillary second premolar?

<p>Lingual cusp at nearly same length as buccal cusp</p> Signup and view all the answers

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.

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Description

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.