Tooth morphology

Question 1

U1

Answer 1

Sharper mesial corner/rounder distal corner.
One root (root curves distally but U2's root curves more).

Question 2

U2

Answer 2

Sharper mesial corner/rounder distal corner.
One root (curves distally)

Question 3

U3

Answer 3

Shorter mesial incisal edge.
More curved than lower.
One large root.
Has a cingulum (like a lump on the lower palatal crown surface)

Question 4

U4

Answer 4

Canine fossa mesially.
2 even sized cusps.
Usually 2 roots.
Oval shaped cross section

Question 5

U5

Answer 5

No canine fossa.
Usually 1 root.
2 even sized cusps.
Oval shaped cross section

Question 6

U6

Answer 6

4 cusps (+ Cusp of Carabelli on palatomesial surface)
2 even sized cusps buccally.
Smallest cusp distopalatal.
3 roots (curving distally), 2 buccal, 1 palatal.

Question 7

U7

Answer 7

4 cusps, 2 even sized buccally and smallest cusp distopalatal.
3 roots (2 buccal, 1 palatal)

Question 8

L1

Answer 8

Asymmetrical (sharper mesial corner)

1 root.

Question 9

L3

Answer 9

Shorter mesial incisal edge.
1 root.
No cingulum.

Question 10

L4

Answer 10

2 uneven sized cusps - larger buccally.
1 root.
Circular cross-section.

Question 11

L5

Answer 11

Looks like it has 3 cusps - 2 lingually, 1 large buccally
1 root
Circular cross-section.

Question 12

L6

Answer 12

5 cusps - 2 even sized lingually, 3 buccally.
2 roots.
Rectangular cross-section (bu more squashed distally).
Buccal surface is more bulbous, lingual is straighter.

Question 13

L7

Answer 13

4 even sized cusps (more squashed distally)
2 roots.
Rectangular cross section

Question 14

L2

Answer 14

Symmetrical (both corners rounded)

1 root.