Incidence and Anatomical Properties of Retromolar Canal in an Iranian Population: A Cone-Beam Computed Tomography Study

Table 5

Prevalence of retromolar canal as reported in previous studies.

Author(s)	Year	Population	Number of subjects	Study method	% Prevalence
Jamalpour et al. [31]	2016	Iran	179	CBCT	12.8
Motamedi et al. [19]	2016	Iran	136	Anatomic	40.4
Park et al. [14]	2016	S. Korea	140	Anatomic	36.6
Capote et al. [32]	2015	Brazil	500	Panoramic	8.8
Sisman et al. [15]	2015	Turkey	947 hemi mandibles	CBCT	26.7
				Panoramic	0.03
Alves and Deana [18]	2015	Chile	86	Anatomic	18.6
Potu et al. [28]	2014	India	94	Anatomic	11.7
Muinelo-Lorenzo et al. [33]	2014	Spain	225	CBCT	36.8
				Panoramic	16.8
Han and Hwang [16]	2014	S. Korea	446	CBCT	8.5
Rashsurenet al. [5]	2014	S. Korea	755 hemi mandibles	CBCT	11.5
Patil et al. [13]	2013	Japan	171 (88 unilateral)	CBCT	75.4
Lizio et al. [34]	2013	Italy	233 unilateral images	CBCT	14.6
Rossi et al. [17]	2012	Brazil	222	Anatomic	26.5
von Arx et al. [25]	2011	Switzerland	121 (100 unilateral)	CBCT	25.6
				Panoramic	0.05
Kawai et al. [35]	2011	Japan	90 hemi mandibles of 46 cadavers	CBCT	52% of mandibles, 37% of sides
Bilecenoglu and Tuncer [36]	2006	Turkey	40	Anatomic	25
Narayana et al. [37]	2002	India	242	Anatomic	21.9