An air pollutant is a substance in the air that can have adverse effects on humans and the ecosystem. The substance can be solid particles, liquid droplets, or gases. A pollutant can be of natural origin or man-made. Pollutants are classified as primary or secondary.
How is gum graft surgery performed? During gum grafting surgery, a periodontist will commonly take connective tissue from the roof of the mouth (palate) and suture it to the affected gumline. This allows more tissue to grow and close the exposed root surface (gum recession).
It can be caused by topical steroids, cosmetics, toothpaste additives, and so on. Perioral Dermatitis, or periorificial dermatitis, is a facial rash that tends to occur around the mouth and/or nose and occasionally, the eyes. Perioral Dermatitis. Most often it is red and slightly scaly or bumpy.