Biologic resurfacing is restoring a damaged joint surface using a biological technique rather than metal or plastic.

microfracture
For example, microfracture is a biologic resurfacing technique that picks holes through the damaged area into the underlying bone, allowing bleeding and inflow of pluripotential cells that help to cover the area with new fibrocartilage.
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Dr Sheila StroverĀ (Editor)
BSc (Hons), MB BCh, MBA

See biography...