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A 5x10 mm implant is intentionally placed distal at #19 using guided surgery (Fig.1). When it is osteointegrated, it will be used as an anchorage to upright the tooth #18 orthodontically. In fact the implant is mistakenly placed 1.5 mm deeper than planned without significant side effect (red dashed line: the superior border of the Inferior Alveolar Canal). The tooth #17 will be extracted before banding. The healing abutment dislodges (probably as related to deep placement of the implant) 20 days postop and is retightened. Incomplete seating of the abutment; profile drill is required.
Xin Wei, DDS, PhD, MS 1st edition 03/30/2018, last revision 01/03/2021