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One month post banding, the upper wire changes to .016' (niti), while the lower one remains .014' with LR2 bracket partially engaged (Fig.13). Intuitively, an elastic is placed between UR3 and LR3. It appears that these two teeth have been moved occlusally and distally quite a bit in 1 month.
Xin Wei, DDS, PhD, MS 1st edition 08/03/2016, last revision 10/01/2016