Table 2b: Prevalence (%) of Different Types of MB, DB,and Pcanals, Classified According to Vertucci (1984). The Number of Roots in each Category is given in Parenthesis

Mesiobuccal Root Distobuccal Root Palatal Root
MB1 canals MB2 canals
Type I 13.63(3) 95.65 (21) 90.90 (20)
Type II 18.18(4) 23.53 (4) - -
Type III 4.54(1) 5.88 (1) - -
Type IV 22.72(5) 29.41 (5 ) - -
Type V 9.09 (2) - 4.54 (1)
Type VI 13.6(33) 17.64 (3) - -
Type VII 4.54(1) 5.88 (1) - -
Type VIII - - - -
Unclassificable 13.63 (3) 17.64 (3) 4.54 (1) 4.54 (1)
Tot. 22 17 22 22

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