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CT taken 3 weeks postop reveals that the 5x17 mm implant may invade the upper border of the Inferior Alveolar Canal/Nerve (N) (Fig.10 coronal section).
The primary stability of the implant depends on contact with septal struts (S) and apical new bone (between arrowheads).
A shorter implant (5x14 mm) may still be able to achieve primary stability by engaging mainly to the septal struts and 1 mm of apical new bone (Fig.11).
Xin Wei, DDS, PhD, MS 1st edition 05/14/2015, last revision 05/16/2015