CASE REPORT opening for crowded out teeth. After space was gained, the case continued through the Tip-Edge stages. Case 3 Unilateral Protraction (Figs. 13-16) 13-year-old non-extraction case with #6 trapped out After the cuspid was in the arch, the case continued to Tip-Edge Stage 3. Fig. 7 Case 4 Unilateral Protraction to Treat a Class II Non-extraction Subdivision Case (Along with improvement of molar relationship, note midline improvement) (Figs. 17-21) 15-year-old female with a Class I right and a Class II left cuspid and molar relationship-very difficult to treat to ideal Protraction of the lower left side was stopped due to a shortage of overjet remaining. The lower left posterior teeth were then brought anterior (one tooth at a time). The case was then placed in Stage 3 to regain all tip and torque. Case 2 Bilateral Protraction (Figs. 8-12) 10.10 female with severe crowding but 2.5 mm behind Apo. Line Beads are added at each appointment to each quad-rant as needed to continue the protraction and space Fig. 10 Fig. 8 Fig. 11 Fig. 9 20 January/ y February 2013 JA OS January/February JAOS
Journal of the American Orthodontic Society January-February 2013: Page 20
