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To prevent and repair membrane injury, one or 2 pieces of PRF membrane will be inserted underneath the lifted structures (Fig.5 yellow), followed by bone graft (green circles). Cut 1 or 1/2 piece of PRF membrane into pieces to mix with allograft (2-4 carrriers) to make sticky bone if the original method does not work out. Take photos of the changes before and after formation of sticky bone in a rubber dappen dish.
Xin Wei, DDS, PhD, MS 1st edition 01/23/2019, last revision 02/17/2019