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. 2010 Apr 1;1(1):e3. doi: 10.5037/jomr.2010.1103

Figure 3.

Figure 3

Anatomical variations of the mental foramen (MF) position in the horizontal plane in relation to the roots of teeth. Colours: blue = MIC, red = mental canal (the anterior opening of the mandibular canal) yellow = mandibular canal. 1 = distance from MF to midline of the mandible (approximate distance 28 mm); 2 = distance from MF to the inferior border of the mandible (14 to 15 mm); 3 = possible MF location zone in the horizontal plane in relation to the roots of teeth; 4 = the shape of MF can be round or oval, the diameter is 1.68 to 3.5 mm; 5 = prevalence location of MF in the horizontal plane for Caucasian population; 6 = prevalence location of MF in the horizontal plane for Mongoloids and African people.