how deep does a wound need to be for necessary skin graft?

Elizabeth

New member
My foot got parcially run over ..slowly, by a car..there is missing skin. its been about a week, the outer ridges of the wound is scabing up, but the center part doesnt really seem to be healing.

the wound is 2 by 1 inch wound that doesnt seem to be healing in the center. the center is white-ish with little veines i can see.

im wondering if i need to get a skin graft?
 
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