Before revision: The procedure described below relates specifically to the use of a collagen membrane, but recent advances now allow the use of non woven bio - degradable materials that were initially developed for cell culturing of chondrocytes to be employed.
After revision: , using the same surgical procedureThe procedure described below relates specifically to the use of a collagen membrane, but recent advances now allow the use of non woven bio - degradable materials that were initially developed for cell culturing of chondrocytes to be employed.