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Table 7 Distribution of C-shaped canal configuration in mandibular first premolars according to the unilateral or bilateral presence of distolingual roots in mandibular first molars

From: Frequency of non-single canals in mandibular premolars and correlations with other anatomical variants: an in vivo cone beam computed tomography study

 

Mandibular first molar

With DLR

 

Bi-DLR

Uni-DLR

Non-DLR

Total

P value

C-shape canals in PM1 s

 Yes

12 (6.5)

2 (4.4)

18 (2.7)

32 (3.5)

.042*

 No

172 (93.5)

43 (95.6)

655 (97.3)

870 (92.5)

 

Total

184 (100)

45 (100)

673 (100)

902 (100)

 
  1. *The significance level is P = .05
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BMC Oral Health

ISSN: 1472-6831

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