Eight-month limited ortho including use of a 1-piece implant (Fig.3 P (ball type)) as a distal anchor increases the mesiodistal space of #14 from <4 mm to 6 mm (near premolar width). Dashed yellow line: sinus floor.  Increased pdl (periodontal ligament) space mesial to the tooth #15 is an indication of distalization.

Why Not Guide Last Next Xin Wei, DDS, PhD, MS 1st edition 12/14/2018, last revision 12/21/2018