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Table 6 The presence of MB2 canals in second maxillary molars according to patient’s age

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

MB2 canal in maxillary second molar teeth

Age (Y)

Total

20–30

31–40

n

Percent

n

Percent

MB2 present

9

18,0

39

68,4

48

MB2 absent

41

82,0

18

31,6

59

Total

50

100,0

57

100,0

107

  1. chi2 = 27,382; p = 0,0000