Maxillary second premolars Flashcards Preview

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Flashcards in Maxillary second premolars Deck (11)
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1
Q

Difference between this tooth and the maxillary first premolar

A

Less common and less prominent developmental grooves, leading to a less prominent buccal ridge and line angles and overall more rounded anatomy.

2
Q

Proportional to the maxillary first premolar what is the size of the lingual cusp, smaller or larger?

A

Larger

3
Q

The buccal and lingual cusps are almost the same size. T/F

A

True

4
Q

The mesial marginal groove and mesial concavity are prominent. T/F

A

False

5
Q

In what direction is the lingual cusp apex located?

A

Mesially

6
Q

The buccal cusp ridge was straight on the maxillary first premolar, what is its configuration on this tooth?

A

More rounded than the maxillary first premolar

7
Q

Is there central groove shorter or longer than the maxillary first premolar?

A

Shorter, as a result the pits are closer and sometimes are so close that it results in one single pit.

8
Q

Are there supplemental grooves on this tooth? If so, what type of appearance do the give on the occlusal surface?

A

Yes and they give wrinkled appearence

9
Q

Mesial and distal HOC

A

Between middle and occlusal thirds (distal HOC closer to cervical line than mesial HOC)

10
Q

Buccal HOC

A

Between middle and cervical third

11
Q

Lingual HOC

A

Middle third