JOINT REPLACEMENT PROSTHESES Fit Anatomy Function Kinematics; Range of Motion Fixation Bone cement, bone interdigitation with an irregular surface, bone ingrowth into a porous coating Tribology Friction. Wear and Lubrication Other effects Stress shieldingJOINT REPLACEMENT PROSTHESES JOINT REPLACEMENT PROSTHESES • Fit – Anatomy Anatomy • Function Function – Kinematics; Range of Motion Kinematics; Range of Motion • Fixation Fixation – Bone cement, bone Bone cement, bone interdigitation interdigitation with an irregular with an irregular surface, bone surface, bone ingrowth ingrowth into a porous coating into a porous coating • Tribology Tribology – Friction, Wear, and L Friction, Wear, and L ubrication brication • Other Effects Other Effects – Stress Shielding Stress Shielding