http://www.oramd.com/gum-disease-treatment.htm Gum Diseases Dry Mouth - Your mouth is full of bacteria that both live on plaque and help it form. The bacteria ferment the sugar and starchy-food debris [...]

http://www.oramd.com/gum-disease-treatment.htm Gum Diseases Dry Mouth - Your mouth is full of bacteria that both live on plaque and help it form. The bacteria ferment the sugar and starchy-food debris found in plaque and produce acids and other toxins that harm the gums. Gum Diseases Dry Mouth conditions can occur.

In a healthy mouth there is a natural balance of bacteria but too many bacteria will produce harmful toxins resulting in the gum disease gingivitis.