Once an abutment is placed at #5 (Fig.2 A, 5) for temporary crown (Fig.4 T) , the guide may be not seated again unless the crown is removed.  Osteogen plug (P) is placed in the socket of #4 before temporarization.

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Xin Wei, DDS, PhD, MS 1st edition 01/24/2019, last revision 02/05/2019