FIGURE 17. Bivariate plot of posterior mental foramina position under a specific tooth locus or between loci to m1 length; dp4 = under dp4, m1 trig = under m1 trigonid, m1 tal = under m1 talonid, m1/m2 = between m1 and m2 loci, m2 trig = under m2 trigonid.