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Table 2 Distribution of root canal number among males and females

From: The morphology of permanent maxillary first molars evaluated by cone-beam computed tomography among a Yemeni population

Number of root canals

Male

Female

Total

n

%

n

%

n

%

Two Canals

0

0

1

0.5

1

0.3

Three Canals

23

14.2

41

19.4

64

17.2

Four Canals

2MB, 1DB, 1P

128

79

158

74.8

286

76.6

1MB, 2DB, 1P

0

0

1

0.5

1

0.3

1MB, 1DB, 2P

0

0

1

0.5

1

0.3

Total

128

79

160

75.8

288

77.2

Five Canals

3 MB, 1DB, 1P

4

2.5

1

0.5

5

1.3

2 MB, 2DB, 1P

7

4.3

7

3.3

14

3.8

2 MB, 1DB, 2P

0

0

1

0.5

1

0.3

Total

11

6.8

9

4.3

20

5.4

X2

P = 0.26

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