Skip to main content

Table 2 Number and percentage of canal system types in 174 single-rooted mandibular first premolars

From: Cone-beam computed tomography study of root and canal morphology of mandibular premolars in a western Chinese population

Root canal configurations

 

Type I 1

Type II 2-1

Type III 1-2-1;

Type IV 2

Type V 1-2

Type VI 2-1-2

Type VII 1-2-1-2

Type VIII 1-3

C-shaped

Number

151

0

3

0

17

0

0

1

2

Percentage

86.8

0

1.7

0

9.8

0

0

0.6

1.1