PTM - Tutorial Flashcards
1
Q
What are the anatomical features of the primary tooth 65 (UL second premolar)? (5 points)
A
- Prominent transverse ridge
- Two buccal roots
- One palatal root
- Medial cusp largest
- More bulbous on buccal cusp
2
Q
Hoe many palatal roots does the tooth 65 have?
A
- 1 palatal root
3
Q
How many buccal cusps does the tooth 75 have?
A
- Three buccal cusps - morphology similar to the lower first permanent molar
4
Q
What are the features of the tooth 61? (5 points)
A
- Mesial edge of crown tends to be straighter
- Might get distal bend in root
- Upper are more bulbous than lower
- Central and lateral are similarly shaped but lateral tends to be a bit smaller
- Lowers tend to be slightly more triangular and smaller
5
Q
What is the difference between an upper primary incisor and an upper primary canine?
A
- Canine crown slightly more diamond shaped than incisor
6
Q
What is a prominent feature of the 64?
A
- Prominent mesio-buccal tubercle
- Sometimes so prominent that it actually looks like another cusp
7
Q
What is the crown shape like of a 64?
A
- Quite square shaped
8
Q
What is the fissure pattern of a 64 like?
A
- Slightly S-shaped
9
Q
What is the crown shape of an 84?
A
- A lot more rectangular
10
Q
What is a prominent feature of the 84?
A
- Has a tubercle on the mesio-buccal cusp
