Research Article
Occurrence of the Retromolar Foramen in Dry Mandibles of South-Eastern Part of India: A Morphological Study with Review of the Literature
Table 3
Incidence of retromolar foramen and canal in different populations reported in the literature.
| Author | Year of study | Number of mandibles studied | Presence of retromolar foramen (%) | Population of the study |
| Schejtman et al. [4] | 1967 | 18 | 13 (72) | Argentine aborigines | Ossenberg [5] | 1987 | 86 | 7 (8.1) | Italian | 94 | 3 (3.2) | Japanese | 485 | 40 (8.2) | Eskimos | 11 | 1 (9.1) | Canadians of European descent | Sawyer and Kiely [6] | 1991 | 234 | 18 (7.7) | American | Kodera and Hashimoto [15] | 1995 | 41 | 8 (20) | Japanese | Pyle et al. [7] | 1999 | 475 | 37 (7.8) | Caucasian (n = 226) Afro-American (n = 249) | Narayana et al. [8] | 2002 | 242 | 53 (21.9) | Indian | Priya and Manjunath. [9] | 2005 | 157 | 20 (12.7) | Indian | Lagrana et al. [16] | 2006 | 50 | 9 (18) | Argentinean | Bilecenoglu and Tuncer [10] | 2006 | 40 | 10 (25) | Turkish | Suazo et al. [11] | 2008 | 294 | 38 (12.9) | Brazilian | von Arx et al. [12] | 2011 | 121 | 31 (25.6) | Swiss | Kawai et al. [13] | 2012 | 46 | 24 (52) | Japanese | Rossi et al. [14] | 2012 | 222 | 59 (26.6) | Brazilian | Lizio et al. [18] | 2013 | 233 (hemimandibles) | 34 (14.6) | Italian | Athavale et al. [19] | 2013 | 71 | 10 (14.1) | Indian | Orhan et al. [20] | 2013 | 126 | 14 (11.1) | Turkish | Our study
| 2014 | 94 | 11 (11.7) | Indian
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