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).
WebMD explains that stomatitis occurs inside any part of the mouth including the cheeks, gums, tongue, lips and palate. Mouth ulcers or aphthous ulcers, herpetic sores and mouth irritation usually cause stomatitis. In addition to gum disease, stomatitis from mouth irritation often stems from biting the cheek, tongue or lip.