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
Sex
Total
Female
Male
n
Percent
MB2 present
23
17,0
25
34,7
48
MB2 absent
112
83,0
47
65,3
159
135
100,0
72
207