Skip to main content

Table 4 Root anatomy and root canal morphology of mandibular teeth based on Vertucci’s classification

From: Root canal morphology of permanent teeth in a Malaysian subpopulation using cone-beam computed tomography

Mandibular Teeth

Number of Roots

Root Type

Vertucci’s Classification

Type I

Type II

Type III

Type IV

Type V

Type VI

Type VII

Type VIII

Central Incisor (n = 408)

1

–

387 (94.9%)

–

4 (1.0%)

–

17 (4.2%)

–

–

–

Lateral Incisor (n = 400)

1

–

351 (87.8%)

–

15 (3.8%)

1 (0.3%)

33 (8.3%)

–

–

–

Canine

(n = 411)

1

(n = 406)

–

386 (95.1%)

20 (4.9%)

–

–

–

–

–

–

2

(n = 5)

Buccal

5 (100.0%)

–

–

–

–

–

–

–

Palatal

5 (100.0%)

–

–

–

–

–

–

–

First Premolar (n = 359)

1

(n = 353)

–

292 (82.7%)

1 (0.3%)

5 (1.4%)

–

55 (15.6%)

–

–

–

2

(n = 6)

Mesial

6 (100.0%)

–

–

–

–

–

–

–

Distal

3 (50.0%)

–

–

3 (50.0%)

–

–

–

–

Second Premolar (n = 399)

1

–

397 (99.5%)

1 (0.3%)

–

1 (0.3%)

–

–

–

–

First Molar (n = 370)

2

(n = 290)

Mesial

7 (2.4%)

6 (2.1%)

–

270 (93.1%)

–

–

–

7 (2.4%)

Distal

220 (75.9%)

6 (2.1%)

–

63 (21.7%)

1 (0.3%)

–

–

–

3

(n = 80)

Mesial

2 (2.5%)

–

–

78 (97.5%)

–

–

–

–

Distobuccal

42 (52.5%)

–

1 (1.3%)

–

–

–

–

–

Distolingual

79 (98.8%)

–

–

–

1 (1.3%)

–

–

–

Second Molar (n = 376)

2

(n = 192)

Mesial

34 (17.7%)

8 (4.2%)

–

150 (78.1%)

–

–

–

–

Distal

186 (96.9%)

–

–

6 (3.1%)

–

–

–

–

3

(n = 1)

Mesial

–

–

–

1 (100.0%)

–

–

–

–

Distobuccal

1 (100.0%)

–

–

–

–

–

–

–

Distolingual

1 (100.0%)

–

–

–

–

–

–

–

C-shape

183 (48.7%)

–

–

–

–

–

–

–