Conclusion
A larger femoral head with a last generation ceramic on ceramic or metal on metal coupling is an useful recent introduction in THR. Most of the clinical advantages reported with the use of hip resurfacing (increased stability, improved ROM and lower dislocation rate) can be reproduced with large diameter joints and a conventional femoral implant. Some concerns still remains on the potential ions release by metal on metal in the long term.
At the present time, not all patients in our practise receive large diameter THR. Restriction of the use of these devices is mostly influenced by the high cost of these components. It is possible that, in the future, large diameter, either metal on metal or ceramic on ceramic, will completely replace the conventional 28mm THR.
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Santori, N., Giacomi, R., Potestio, D., Chilelli, F. (2006). Clinical advantages with large diameter heads. In: Benazzo, F., Falez, F., Dietrich, M. (eds) Bioceramics and Alternative Bearings in Joint Arthroplasty. Ceramics in Orthopaedics. Steinkopff. https://doi.org/10.1007/978-3-7985-1635-9_3
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