Why do bad habits of bad breath cause evaporation?

Why do bad habits of bad breath cause evaporation? Why are bad habits of the smell of bad mouth (evaporation) under the protection of the question? The answer, if you do not clean your teeth with a brush and use the medical thread daily, pieces of food can remain in your mouth, encouraging the growth of bacteria between teeth, around the gums and tongue. It causes evaporation. In addition, bacteria that cause bad breath and food residues can cause evaporation if the industrial teeth are not properly cleaned. Smoking and chewing tobacco can also cause evaporation, stains on teeth, reduce your ability to distinguish flavors and cause gum tissue irritation.