A 82-year-old man has pain in the lower left bridge.  There is a buccal apical fistula associated with the tooth #17 (Fig.1).  The teeth #18 and 31 tilt mesially.

Implant As Upright Anchorage

Xin Wei, DDS, PhD, MS 1st edition 11/16/2016, last revision 11/16/2016