Basic Principles of Plate Fixation
Undercut allows the unhindered inclination of lag screw up to 40 degrees Longitudinally and 7 degrees in the transverse plane. A proper compression across the fracture can be achieved through plate holes with the modularity of bi-directional Screws.
One more advantage of even distribution of holes is that in case of an exchange or Revision surgery of plates, the longer plate can be used without conflicting with Previously drilled holes.
As regards the surgeon’s factor, proper exposure of fracture, good surgical Technique, and choosing the proper length of the ortho implant (plate) also contributes to the excellent Final result. Choosing the short implant (plate) will make the construct unstable while Too long an implant (plate) will cause unnecessary damage to soft tissues and prolongs the operating time as well.
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