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The Bone & Joint Journal

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The Bone & Joint Journal
Vol. 104-B, Issue 6 | Pages 647 - 656
1 Jun 2022
Knudsen MB Thillemann JK Jørgensen PB Jakobsen SS Daugaard H Søballe K Stilling M

Aims

BoneMaster is a thin electrochemically applied hydroxyapatite (HA) coating for orthopaedic implants that is quickly resorbed during osseointegration. Early stabilization is a surrogacy marker of good survival of femoral stems. The hypothesis of this study was that a BoneMaster coating yields a fast early and lasting fixation of stems.

Methods

A total of 53 patients were randomized to be treated using Bi-Metric cementless femoral stems with either only a porous titanium plasma-sprayed coating (P group) or a porous titanium plasma-sprayed coating with an additional BoneMaster coating (PBM group). The patients were examined with radiostereometry until five years after surgery.