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Table 2 Number of root canals in the maxillary first and second molars

From: The morphology of maxillary first and second molars analyzed by cone-beam computed tomography in a polish population

Number of root canals

Maxillary first molar

Maxillary second molar

n

Percent

n

Percent

C-shaped canal

–

–

4

1,9

1

–

–

2

1,0

2

–

40,5

8

3,9

3

75

59,5

145

70,0

4

110

–

48

23,2

5

–

100,0

–

–

Total

185

 

207

100,0

  1. chi2 = 52,601; p = 0, 0000