Fig. 2From: Evaluation of mandibular trabecular and cortical bone by fractal analysis and radiomorphometric indices in bruxist and non-bruxist patientsMeasurement of the mental index (MI) and panoramic mandibular index (PMI). MI; the cortical width at the mental foramen region (a), (PMI); the ratio of the mandibular cortical width to the distance between the lower border of the mental foramen and the inferior border of the mandible (a/b) (Ledgerton 1997)Back to article page