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The inner side of the provisional consists of 2 parts (Fig.9): corresponding to the socket gap (S) and the gingiva (G). This structure allows the provisional to close the socket securely (Fig.8) and prevent loss of the graft granules (Fig.11 *).
Xin Wei, DDS, PhD, MS 1st edition 05/18/2015, last revision 05/18/2015