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).
Dental veneers. Dental veneers are a cosmetic dentistry procedure to help improve the colour, shape and position of teeth, including chipped teeth. The dental veneer is made from a thin layer of porcelain fitted over the front facing surface of tooth. The procedure has been likened to false nails being stuck on top of real nails.