Importance of tribology in a number of medical devices and surgical instruments is reviewed,
including artificial joints, artificial teeth, dental implants and orthodontic appliances …

We reviewed the literature on the currently available choices of bearing surface in total hip
replacement (THR). We present a detailed description of the properties of articulating …

High wear rates and high patient ion levels have been associated with high (> 55) cup
inclination angles for metal-on-metal surface replacements. Wear rates and patterns have …

A new instrumented hip joint prosthesis was developed which allows the in vivo
measurement of the complete contact loads in the joint, ie 3 force and 3 moment …

Ceramic-on-ceramic bearings have become of great interest due to the substantial
improvements in the manufacturing techniques and material properties and due to …

Background Large-diameter femoral heads for metal-on-metal THA hold theoretical
advantages of joint stability and low bearing surface wear. However, recent reports have …

In April 2010, a Medicines and Healthcare Products Regulatory Agency safety alert
concerning all metal-on-metal (MOM) hip replacements recommended measuring chromium …

Edge loading can negatively impact the biomechanics and long-term performance of hip
replacements. Although edge loading has been widely investigated for hard-on-hard …

Background and purpose Joint replacement with metal-on-metal (MOM) bearings have
gained popularity in the last decades in young and active patients. However, the possible …

Bioengineering reasons for increased wear and failure of metal-on-metal (MoM) bearings in
hip prostheses have been described. Low wear occurs in MoM hips when the centre of the …