摘要: Low-friction total hip arthroplasties. Evaluation of the success non-cemented porous and HA coated metal-UHMWPE hip. Alumina-alumina alimina-polythylene. Total replacement: metal-on-metal systems. A comparison artificial knee Shoulder implant system. Elbow joint Toe limb lengthening techniques. Success surgery on anterior cervical spine: Smith-Robinson technique vs internal plates. Ventilation tubes. Ossicular replacement prostheses. Longevity osseointegrated dental implants. Alveolar ridge maintenance