Difference between the fourth generation biological type and bone cement type of Oxford single condyle

1. Different materials: the fourth generation biological type of Oxford single condyle is made of metal and polyethylene, and the bone cement type is made of polymethylmethacrylate (PMMA) bone cement.

2. Different fixation methods: the fourth generation biological form of Oxford single condyle is fixed by friction and pressure between metal and polyethylene, and the bone cement type is fixed by adhesion of bone cement.

3. Different indications: the fourth generation Oxford unicondylar biotype is suitable for unicondylar joint replacement surgery, and the bone cement biotype is suitable for various types of joint replacement surgery.

4. The difficulty of operation is different: the fourth generation biological type of Oxford single condyle requires higher surgical skills and experience, while the difficulty of bone cement operation is relatively low.