Custom Total Knee Arthroplasty

As we reach the 50th anniversary of ‘modern TKA’, new technologies and new industrial processes render the manufacture of fully customized implants feasible. While this can be considered as a technological breakthrough, addressing several limitations of TKA, we may question whether this costly technology is worthwhile and beneficial for patients. Considering the wide range of TKA sizes now available—sometimes having millimetric-size increments—do we really need customized implants to reproduce the native anatomy?