Primary Tooth Morphology

Question 1

Describe the roots of the upper first primary molar

Answer 1

2 buccal roots, 1 lingual

Mesiobuccal root is wider cervically than the distobuccal root

Question 2

How many cusps does an upper first primary molar have?

Answer 2

4

Question 3

Describe the cusps of an upper first primary molar

Answer 3

Large mesiobuccal and small distobuccal

Mirrored lingually

Question 4

What can be found on both the the upper and lower first primary molars?

Answer 4

Tubercle of Zuckerkandl on the mesiobuccal cusp

Question 5

How many cusps does the lower first primary molar have?

Answer 5

4

Question 6

Describe the cusps on the lower first primary molar

Answer 6

Mesial cusps are larger than distal

Buccal cusps lean lingually

Question 7

Describe the roots of the upper second primary molar

Answer 7

2 buccal roots and 1 lingual

Question 8

Which tooth is similar to the upper second primary molar?

Answer 8

Upper first permanent molar

Question 9

Describe the cusps of the upper second primary molars

Answer 9

Transverse ridge runs from the mesiolingual cusp to the distobuccal cusp

Question 10

Describe the cusps of the lower second primary molar

Answer 10

5 cusps, 3 buccal and 2 lingual

Buccal cusps lean lingually

Question 11

Which tooth is similar to the lower second primary molars?

Answer 11

Lower first permanent molars