In patients with osteoarthritis, one of the main treatments is arthroplasty or knee replacement.
Benefits of knee replacement
In arthroplasty, the cartilage surface of the femur, tibia and patella are replaced by prostheses made of metal alloys: titanium-chromocobalt. Materials such as oxinium are used in allergic patients. A plastic spacer is inserted between the metal components to create a...
Quartz is the most common mineral on earth. Starting from ordinary sea sand and ending with precious stones that rival diamonds in beauty. The variety of colors and shades of quartz is also impressive. It can be all colors of the rainbow, except maybe blue and green.
Quartz is composed of silicon dioxide and has a crystalline structure. Quartz crystals do not grow along, but across the ore...
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