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Table 1 Previous report cases with 6 or more root canals in maxillary molars

From: Multiple root canals in the maxillary molar: an unusual case report

Root configuration

No. of canals

Root canal anatomy

Authors

Year

MB

DB

P

First maxillary molar

      

3 roots

6

3

2

1

Martínez-Berná et al. [3]

1983

3 roots

6

3

2

2

Bond et al. [4]

1988

3 roots

6

2

1

3

Maggiore et al. [5]

2002

4 roots (MB, MP, P, DB)

6

MB, MP, M, P, DP, DB

Adanir [6]

2007

3 roots

6

2

2

2

de Almeida-Gomes et al. [1]

2009

3 roots

6

2

2

2

Albuquerque et al. (3 cases) [7]

2010

3 roots

6

2

2

2

Karthikeyan et al. (4 cases) [8]

2010

3 roots

7

3

2

2

Kottor et al. [9]

2010

3 roots

8

3

3

2

Kottor et al. [10]

2011

3 roots

6

3

2

1

Sharath Chandra et al. [11]

2012

3 roots

7

3

2

2

Gautam et al. [12]

2014

3 roots

6

2

2

2

Present cases

2015

Second maxillary molar

      

3 roots

6

2

1

3

Pasternak et al. [13]

2007

3 roots

7

3

2

2

Present cases

2016