A 58-year-old man has lost the teeth #18 and 31 with supraeruption of the opposing teeth and mesial tilt of the distal tooth (Fig.1,2 arrows).  Bone density distal to #15 is so low that a mini implant should be as long as possible.

Guide Prior to Intrusion Last Next

Xin Wei, DDS, PhD, MS 1st edition 05/14/2018, last revision 04/20/2020