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Fig.9: Since the 5x9 mm implant has insertion torque >40 Ncm, an angled abutment is placed immediately (A: 5 mm x 15 degree, 4 mm cuff). There are two purposes for the immediate abutment, to keep bone graft (Fig.10 *) and collagen membrane in place and to reduce suture tension.
Xin Wei, DDS, PhD, MS 1st edition 12/19/2016, last revision 08/03/2018