Scanning

Research Article

Prevalence and Morphology of C-Shaped Canals in Mandibular First and Second Molars of an Iranian Population: A Cone-Beam Computed Tomography Assessment

Prevalence of C-shaped canal configurations observed in mandibular molars, as reported in the previous studies.


Author (year)	Region	Tooth type	Number of teeth	Prevalence of C-shaped configuration

Madani et al. [27]	Iran	Man. 1st molar	147	1.2%
Madani et al. [27]	Iran	Man. 2nd molar	154	17.6%

Alfawaz et al. [28]	Saudi Arabia	Man. 1st molar	529	0.19%
Alfawaz et al. [28]	Saudi Arabia	Man. 2nd molar	681	9.1%

Martins et al. [23]	Portugal	Man. 1st molar	695	0.6%
Martins et al. [23]	Portugal	Man. 2nd molar	1088	8.5%

Shemesh et al. [24]	Israel	Man. 1st molar	1229	0.16%
Shemesh et al. [24]	Israel	Man. 2nd molar	1465	4.6%

Vaz de Azevedo et al. [25]	Brazil	Man. 1st molar	389	23%
Vaz de Azevedo et al. [25]	Brazil	Man. 2nd molar	422	21.32%

Demirbuga et al. [29]	Turkey	Man. 1st molar	823	0.85%
Demirbuga et al. [29]	Turkey	Man. 2nd molar	925	4.1%

Celikten et al. [22]	Turkey Cypriot	Man. 1st molar	384	0.5%
Celikten et al. [22]	Turkey Cypriot	Man. 2nd molar	421	1.9%

von Zuben et al. [9]	United States	Man. 2nd molar	400	11.3%
	South Africa		400	9.3%
	Mexico		400	14.2%

Abdalrahman et al. [30]	Iraq	Man. 2nd molar	368	17.4%

Gomez et al. [31]	Venezuela	Man. 2nd molar	190	19.5%

Park et al. [32]	Korea	Man. 2nd molar	710	41.3

Present study	Iran	Man. 1st molar	248	4.4%
Present study	Iran	Man. 2nd molar	478	3.7%

Mandibular.