A surgical procedure to remove acne scars,nevi,tattoos,or fine wrinkles on the skin by using sandpaper,wire brushes,or other abrasive materials on an anesthetized epidermis is called ________.

Acne Scars

Markings or indentations on the skin resulting from the healing of acne.

Nevi

Pigmented skin lesions, also known as moles, which are usually benign but can sometimes develop into melanoma, a type of skin cancer.

Tattoos

Permanent marks or designs made on the skin by inserting pigment through punctures in the skin's top layer.