Third molar

Question 1

1.

Answer 1

not present in primary dentition and not always in secondary dentition

Question 2

2.

Answer 2

referred to as wisdom teeth

Question 3

3.

Answer 3

morphology varies widely

Question 4

4.

Answer 4

smaller crown size than the second molar usually

Question 5

5.

Answer 5

has occlusal surface arranged as three or four cusps with marginal ridges present

Question 6

6.

Answer 6

uppers usually have three roots but not always

Question 7

7.

Answer 7

lowers usually have two roots. but not always

Question 8

8.

Answer 8

furcation area present unless the roots are fused together

Question 9

9.

Answer 9

function is the same as for the first + second molars

Question 10

10.

Answer 10

often extracted if involved in recurrent bouts of disease, or impacted + associated with pericoronitis