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A 4.5x9(1) mm Magicore is placed with 35 Ncm (insertion torque) after 4.3 mm Magic Drill; a 4.5 mm healing abutment (Fig.7 H). An error occurs because of using 1 mm cuff of the Magicore. Ideally 3 or 4 mm cuff should have been used because of reduction in the ridge by ~ 3 mm (Fig.2). The result of the error is failure of placing the implant at the desirable depth (<9 mm). The coronal threads are exposed and have to be covered by bone graft (autogenous bone and allograft (.5-1.5 mm) (Fig.8), followed by collagen dressing.
Xin Wei, DDS, PhD, MS 1st edition 11/01/2016, last revision 09/16/2018