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Table 6 Curvature in the mesiodistal and buccolingual direction of the MMCs of mandibular first molars

From: Classification and morphology of middle mesial canals of mandibular first molars in a southern Chinese subpopulation: a cone-beam computed tomographic study

Age

Direction

Slight

(≤ 10°)

Medium

(10°–30°)

Severely

(> 30°)

Mean ± S

 < 40

Mesiodistal

5 (4.85%)

62 (60.19%)

36 (34.95%)

29.39 ± 8.53

n = 103

Buccolingual

29 (28.16%)

54 (52.43%)

20 (19.42%)

21.34 ± 10.41

 ≥ 40

Mesiodistal

2 (3.64%)

37 (67.27%)

16 (29.09%)

26.06 ± 8.50

n = 55

Buccolingual

8 (14.55%)

30 (54.55%)

17 (30.91%)

22.45 ± 10.67

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BMC Oral Health

ISSN: 1472-6831

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