Progress: Self Correction

The photos in the first row were taken on November 19, 2012; 2nd row January 2, 2013; 3rd row June 10, 2013.

Teeth self correct after extraction?  Can ceph show that?  When the bi were extracted?  1 or 2 month? 

The spaces did close spontaneously quite a bit in the lower. This was probably due to the fact that the lip pressure helped.
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What is the mechanism of upper canine distalization?

Final results.

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Xin Wei, DDS, PhD, MS 1st edition 12/26/2014, last revision 12/27/2014