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).
The Human Mouth. 1  The Gingiva (Gums) is the pink soft tissue that surrounds teeth and covers the jaw bone. 2  The Periodontal Ligament is a layer of connective tissue fibers which hold the tooth anchored inside the alveolar socket of the jaw. 3  Alveolar process is the part of alveolar bone around the tooth sockets where teeth roots are anchored.