What is the basic principle of orthopedic surgery?
but the skin and mouth should be prepared before surgery, surgery should be done at least do not exogenous source of infection into the surgical field
. In the face related to the nose, eyes, mouth and other parts of the operation, the local is not easy to be absolutely sterile
and a contaminated wound is treated as a clean wound so that the skin or flap can be completely survived to ensure the recovery of local function
When repairing or closing a fresh wound wound, the same requirements are strictly aseptic,
