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Table 2 Root anatomy and root canal morphology of maxillary first and second premolars according to gender and tooth side

From: Root canal morphology of permanent teeth in a Malaysian subpopulation using cone-beam computed tomography

 

Maxillary first premolar (n = 304)

Maxillary second premolar (n = 333)

One Root

Two Roots

Three Roots

One Root

Two Roots

One Canal

Two Canals

Two Canals

Three Canals

One Canal

Two Canals

Two Canals

Left

16

(10.5%)

86

(56.6%)

49

(32.2%)

1

(0.7%)

87

(52.4%)

66

(39.8%)

13

(7.8%)

Male

3

(2.0%)

37

(24.3%)

26

(17.1%)

1

(0.7%)

24

(14.5%)

38

(22.9%)

8

(4.8%)

Female

13

(8.6%)

49

(32.2%)

23

(15.1%)

–

63

(38.0%)

28

(16.9%)

5

(3.0%)

Right

19

(12.5%)

85

(55.9%)

48

(31.6%)

–

91

(54.5%)

62

(37.1%)

14

(8.4%)

Male

4

(2.6%)

35

(23.0%)

28

(18.4%)

–

23

(13.8%)

37

(22.2%)

10

(6.0%)

Female

15

(9.9%)

50

(32.9%)

20

(13.2%)

–

68

(40.7%)

25

(15.0%)

4

(2.4%)

Total

35

(11.5%)

171

(56.3%)

97

(31.9%)

1

(0.3%)

178

(53.5%)

128

(38.4%)

27

(8.1%)

 

155

(46.5%)

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