Since primary stability is lower (<20 Ncm vs. 35 Ncm associated with the implant #29), an abutment is not placed, which may be favorable to healing, but it is difficult to achieve primary closure.  After bone graft (Fig.9 *) and 2 layers of PRF, Cytoplast is placed.

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Xin Wei, DDS, PhD, MS 1st edition 02/18/2020, last revision 02/18/2020