Closing- versus opening-wedge
Closing-wedge osteotomy can be contrasted with 'opening wedge' osteotomy - the decision about which to do is usually made after assessing long-leg weight-bearing X-rays and feeding the information into a computer application.
Medial Closing-Wedge Distal Femoral Osteotomy for Genu Valgum With Lateral Compartment Disease. Wylie JD and Maak TG. Arthrosc Tech. 2016 Dec; 5(6): e1357–e1366.
Survival of opening versus closing wedge high tibial osteotomy: A meta-analysis. Kim J-H, Kim H-J and Lee D-H. Sci Rep. 2017; 7: 7296.