And there are 3 midline marks on upper arch and 1 middle mark on lower arch. Type: Round. Shape: natural form. 0.012 upper; 0.012 lower. 0.014 upper; 0.014 lower. 0.018 upper; 0.018 lower. 0.016 upper; 0.016 lower.
And there are 3 midline marks on upper arch and 1 middle mark on lower arch. Type: Round. Shape: natural form. 0.012 upper; 0.012 lower. 0.014 upper; 0.014 lower. 0.018 upper; 0.018 lower. 0.016 upper; 0.016 lower.