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).
To apply a veneer, a very small amount of the original tooth enamel must be removed, usually less than a millimeter. This is essential as it creates room for the porcelain veneer to fit within the mouth and most accurately restore natural tooth function while creating an even better appearance than the original tooth.