Fig.12: Mid-treatment pictures
The first refinement consisting of nine sets of aligners were ordered,
since the bite closure on the lateral incisor was inadequate. Bootstrap
mechanics was applied to the upper lateral incisors using palatally
placed lingual buttons and elastics running to the cleat on the aligners
in order to extrude them reliably. (Fig. 13) A final refinement
consisting of five sets of aligners were ordered to refine the
inclinations and angulations of all the teeth and settle the occlusion
in the best possible way. Aligners during the refinement stages were
worn at the rate of one aligner/week.