[Bone cements and their uses in orthopedics and rheumatology. GRIBOI. Groupe de Recherche interdisciplinaire sur les Biomatériaux ostéo-articulaires injectables].

Acrylic cement has been used for total hip arthroplasty fixation for several years. Use of new cements for bony injections or for treatment of fractures is often misunderstood, in spite (or because?) of numerous paper in non-medical magazines. Acrylic cement continues to be the reference for bony cements. Most hip arthroplasties are still cemented, with good results in most cases, even after ten years. Other applications of acrylic cement are reported here, especially for percutaneous injection in metastatic vertebral lesions. New kind of cements are now available, especially pastes of carbonated apatite, and beta tricalcium phosphate-monocalcium phosphate monohydrate water mixtures. With this new family of injectable biomaterials we can hope the development of mini-invasive therapies for bone lesions, and first results appear to be very attractive. However continuous improvements of these materials and rigorous clinical evaluations are need.