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).
aphthous stomatitis-inflammation of the mouth with small, painful ulcers dental caries-tooth decay herpetic stomatitis-inflammation of the mouth by infection with the herpesvirus. oral leukoplakia-white plaques or patches periodontal disease-inflammation and degeneration of the gums, teeth and surrounding bone.