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. 2011 Sep 15;41(3):101–106. doi: 10.5624/isd.2011.41.3.101

Fig. 3.

Fig. 3

The types of the inferior mandibular cortex are subjectively classified as follows. A. Type 1: the cortical endosteal margin appears even and regular. B. Type 2: the endosteal margin appears semilunar defects or 1 to 2 layers of cortical endosteal residues. C. Type 3: the cortical layer has numerous (>3) endosteal residues and is clearly porous.