Maxillary 2nd molar arch traits Flashcards Preview

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Flashcards in Maxillary 2nd molar arch traits Deck (10):
1

at what age do they erupt?

12-13 years

2

at what age is the root completed?

14-16 years

3

What is the one major difference between the 1st and 2nd molar?

DB cusp is less prominent and narrower which makes the tooth seem overall smaller

4

Heights of contour from buccal view

Mesial: Junction of occlusal and middle 1/3
Distal: Middle 1/3

5

Root shape

less divergence and less curvature

6

Is there a cusp of carabelli?

no

7

Heights of Contour from the mesial view

buccal: cervical 1/3
lingal: middle 1/3

8

how are the roots oriented from the mesial view?

more parallel

9

From the distal view what portion of the tooth is more visible?

the occlusal table because there is a more apically placed DMR

10

Varitations that can be present

DL cusp can be absent
Buccal root can fuse together