Permanent Mandibular Premolars

Question 1

mandibular blank premolars are often congenitally missing

Answer 1

second

Question 2

two common types of mandibular 2nd premolars

Answer 2

two cusp, three cusp

Question 3

two cusp has one blank and one blank cusp

Answer 3

buccal, lingual

Question 4

three cusp has blank buccal and blank lingual cusps

Answer 4

1, 2

Question 5

generally, crown is much narrower on the lingual than on the facial except the second premolar with 2 lingual cusps where it can be as wide or wider than the blank

Answer 5

facial (buccal)

Question 6

first premolar has a very blank lingual cusp

Answer 6

small

Question 7

second premolar with 2 lingual cusps will have a larger blank

Answer 7

mesiolingual cusp ridge

Question 8

in all teeth, facial HOC is in the blank third

Answer 8

cervical

Question 9

first premolar lingual HOC is in the blank third

Answer 9

middle

Question 10

first and second premolar tilt toward the blank side but not as much as first premolar

Answer 10

lingually

Question 11

first premolar has a blank ridge because of blank ridges

Answer 11

transverse, triangular

Question 12

second premolar does not have blank

Answer 12

transverse ridges

Question 13

second molar three cusps means three blank

Answer 13

fossae

Question 14

great amount of variation in blank

Answer 14

mandibular premolars