Anatomy

Question 1

% of max 1st PM with 2 canals

Answer 1

87% have 2 canals
69% have 2 foramen
Vertucci

Question 2

% of max 2nd PM with 2 canals

Answer 2

51% have 2 canals
25% have 2 foramen
1% have 3 canals
Vertucci

Question 3

Max molars # MB2 canals

Answer 3

60% max 1st molars
35% max 2nd molars
Wolcott

Question 4

Man centrals

Answer 4

30% have 2 canals
3% have 2 foramen
Vertucci

Question 5

Man laterals

Answer 5

25% have 2 canals
2% have 2 foramen
Vertucci

Question 6

Man cannines

Answer 6

22% have 2 canals
6% have 2 foramen
Vertucci

Question 7

Man 1st PM with 2 canals

Answer 7

22.7% have 2 canals
- 17.5% have 2 foramen
69.3% have 1 canals
0.4% have 3 canals
Zillich and Dowson

Question 8

Man 2nd PM with 2 canals

Answer 8

11.7% have 2 canals
10.8% have 2 foramen
0.4% have 3 canals
Zillich and Dowson

Question 9

M root man 1st molars

Answer 9

93.3% have 2 canals
60% have 2 foramen
Skidmore and Bjorndahl

Question 10

D root man 1st molars

Answer 10

28.9% have 2 canals
40% have 2 foramen
Skidmore and Bjorndahl

Question 11

M root man 2nd molars with 2 canals

Answer 11

92% have 2 canals
40% have 2 foramen
 -52% (2-1) canals
 -40% (2-2) canals
4% only 1 canals
Weine

Question 12

D root man 2nd molars with 2 canals

Answer 12

1 canal 85.3%
2 canals- 10.6
 -2-1 9.3%  
 -2-2 1.3%
Weine

Question 13

Man 2nd molars C shaped

Answer 13

2.7%

Weine

Question 14

Presence of a middle mesial

Answer 14

12% but only 2% have a seperate formaen

Pomeranz