The zinc oxide paste in an Unna boot bandage helps with wound healing in several ways. Zinc oxide has antiseptic properties, which means it can kill or inhibit the growth of bacteria on the wound surface. This reduces the risk of infection, which is crucial for proper wound healing. It also has astringent properties, which can help reduce inflammation and swelling around the wound. The paste creates a moist environment. In a moist environment, cells can migrate more easily to close the wound, and the rate of cell proliferation is increased. Additionally, zinc is an essential trace element for many enzymatic reactions in the body, and its presence in the paste may also contribute to the overall wound - healing process at a cellular level.
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