Fig.2: The malpositioned #29 was distalized using #32 as an anchorage. Crowding exists around #27. To distalize #28 and 29 more effectively, an implant (4.5x12 mm) is placed at the site of #30. The patient refuses extraction of #32.
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Xin Wei, DDS, PhD, MS 1st edition 09/07/2014, last revision 09/07/2014