Help docs! i'm trying to find out what causes bad breath and how to avoid it?

Poor Oral Hygiene or: The main cause is usually poor oral hygiene. There are lots of medical and dental causes. See: http://www.Smilesapartcosmeticdentist.Com/fresh-breath-control.Htm for more information. Consult with your own dentist who can refer you to a physician if he\she thinks it appropriate.

Many causes...: Bad breath or halitosis, can have several causes, and it is sometimes multi-factorial. Accumulation of plaque ; tartar in between ; behind the teeth, ; presence of cavities are common causes. Also, many people have more accumulation of germs and debris on top surface of their tongue (to be brushed daily too). Others:presences of "post nasal drainage", acid reflux/ digestive problems ;.