Figure 5: (a) Mean difference in the SIDIAN from the lower border of the mandible in the first molar region on the left side. (b) Mean difference in the SIDIAN from the lower border of the mandible in the first molar region on the right side. (c) Mean difference in the SIDIAN from the lower border of the mandible in the second molar region on the left side. (d) Mean difference in the SIDIAN from the lower border of the mandible in the second molar region on the right side