There is enough space for restoration (Fig.11: occlusal mirror view).  >: unprepared distal margin of the implant, as compared to prepared buccal and lingual margins. 

As the tooth #1 is moved distally, it prematurely contacts the opposing tooth.  Prior to impression after preparation, occlusal equilibrium is done.

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Xin Wei, DDS, PhD, MS 1st edition 11/04/2014, last revision 01/19/2018