Primary Tooth Morphology

Question 1

how many roots does the upper right first molar have?

Answer 1

2 buccal roots and 1 lingual (mesio-buccal root is wider cervically than the disto-buccal root)

Question 2

what cusp does the tubercle of zuckerkandl sit on on the upper first molar

Answer 2

mesio-buccal

Question 3

how many cusps does the upper right first molar have

Answer 3

4 cusps (large mesio-buccal and smaller disto-buccal)

Question 4

what tooth has a prominent tubercle?

Answer 4

lower right first molar

Question 5

how many cusps are on the lower right first molar?

Answer 5

4 - buccal leans lingually

Question 6

what other tooth does the upper second molar look like

Answer 6

permanent first molar

Question 7

how many roots does the upper second molar have

Answer 7

2 buccal roots and 1 lingual

Question 8

how can you tell the difference between the upper first and second primary molars?

Answer 8

second molar has a transverse ridge

Question 9

how many cusps does the lower second molar have?

Answer 9

5 (3 buccal and 2 lingual like permanent first)