Three weeks postop, the
diastema between #28 and 29 has closed (Fig.5).
In fact, the provisional has to be relined to re-establish the mesial and distal
contact and prevent rotation of the teeth #29 and 31 due to open coil spring.
1-Piece Implant Post-Ortho Last Next
Xin Wei, DDS, PhD, MS 1st edition 10/11/2016, last revision 12/07/2018