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).
Cosmetic dentistry is all the rage in America where it's a sin to have bad teeth. And here in Britain we're catching on fast. The choice of treatments is huge. There are veneers, bridges, crowns and white fillings to choose from. There are even computerised smile analyses which look at the relationship between lips, gums and teeth. Here, we round up six types of cosmetic dentistry and explain what each treatment does, how long it takes and how much it costs.