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Treatment planning of surgical access to the impacted 7 (Fig.1) before CT analysis include extraction of 8 (Fig.2) and removal of the bone coronal to 8 (Fig.3 red) so that there will be no bony block to 7 eruption (Fig.4).
Xin Wei, DDS, PhD, MS 1st edition 06/28/2020, last revision 06/30/2020