Fig.3: The trajectory of the osteotomy is intended to be changed with the same drill (red) without success (white, 17 mm deep).  With measurement and calculation, the 3x17 mm implant is not expected to touch the root of the adjoining tooth.

In fact, the one piece implant has clearance from the lateral incisor (Fig.4).

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Xin Wei, DDS, PhD, MS 1st edition 03/23/2013, last revision 08/11/2018