Dr Andrew Noble examines the role of design rationale and coating in total hip arthroplasty, and how to choose the right solution. Overviewing different cemented and cementless designs, he assesses how implant types influence factors such as subsidence, fixation and stability. Using evidence and patient case studies, Dr Noble shares a detailed review of the ANTHOLOG™, SYNERGY™ and POLARSTEM™ implants, before concluding with a summary of tips for implant choice.