Table 2a: Prevalence (%) of Different Types of MB, DB, and Pcanals, Classified According to Weine et al. (1969). The Number of Roots in Each Category is Given in Parenthesis

Mesiobuccal Root Distobuccal Root Palatal Root
MB1canals MB2 canals
Type I 13.63(3) - 95.65 (21) 90.90 (20)
Type II 18.18(4) 23.53 (4) - -
Type III 22.72(5) 29.41 (5) - -
Type IV 9.09(2) - - 4.54 (1)
Unclassificable 36.36 (8) 47.05 (8) 4.54 (1) 4.54 (1)
Tot. 22 17 22 22

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