Maxillary 1st Premolars

Question 1

ONLY permanent tooth where MESIAL CUSP ARM is LONGER than distal on the buccal cusp

Answer 1

Maxillary 1st Premolars

Question 2

Mesial developmental depression present

Answer 2

Maxillary 1st Premolars

Question 3

Mesial marginal ridge developmental groove present

Answer 3

Maxillary 1st Premolars

Question 4

Lingual cusp shorter and more pointed than buccal cusp; located mesially

Answer 4

Maxillary 1st Premolars

Question 5

Mesial concavity of crown and mesial developmental depressions on root

More grooves on mesial side than distal

Answer 5

Maxillary 1st Premolars

Question 6

Mesial and distal developmental pits and triangular fossae

Answer 6

Maxillary 1st Premolars

Question 7

Central developmental groove - demarcases lingual and buccal lobes

Answer 7

Maxillary 1st Premolars

Question 8

Buccal and lingual triangular ridges end at central fossa

Answer 8

Maxillary 1st Premolars

Question 9

Lingual ridge less prominent, not straight

Answer 9

Maxillary 1st Premolars

Question 10

2 roots 50% of the time (buccal and lingual)

Answer 10

Maxillary 1st Premolars

Question 11

Long root trunk - 1/2 to 2/3 length of root; extends from CEJ to bifurcation

Answer 11

Maxillary 1st Premolars