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Table 2 Type and number of C-shaped root canal in maxillary first and second molars

From: Evaluation of C-shaped canals in maxillary molars in a Chinese population using CBCT

Type of C-shaped root canal

  

MFMs(n = 1488)

MSMs(n = 1547)

Type I

Fusion of 2 root canals

   
 

Subtype A: MB-P

0 (0.00%)

4 (4.94%)

 

Subtype B: DB-P

0 (0.00%)

6 (7.41%)

 

Subtype C: MB-DB

8 (100%)***

56 (69.14%)***

 

Subtype D: B-P

0 (0.00%)

2 (2.47%)

Type II

Fusion of 3 root canals

MB-P-DB

(V shape)

0 (0.00%)

13 (16.05%)

  1. MB-P: fusion of mesiobuccal and palatal canals; DB-P: fusion of distobuccal and palatal canals; MB-DB: fusion of mesiobuccal and distobuccal canals; B-P: fusion of buccal and palatal canals; MB-P-DB: fusion of mesiobuccal, palatal and distobuccal canals
  2. ***P < 0.0001, compared to the other types
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BMC Medical Imaging

ISSN: 1471-2342

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