A Osteolysis and Loosening
Definition![Revision THR Osteolysis](/sites/default/files/TDwyer/Revision THR Gruen Zones 3 %26 5.jpg)
Biological response to particulate matter
- characterised by periprosthetic osteolysis
- stimulated by wear debris
- debris gains access to any area accessible by fluid
Sources of particulate debris
1. Wear
Mechanisms of wear