Halitosis Explained: What Actually Causes Bad Breath
Halitosis is simply the medical word for persistent bad breath. It is extremely common, and it is almost always treatable once the cause is known. The problem is that most people, and many clinics, treat the smell instead of the cause. For additional information about the causes and management of bad breath, read the NHS guide to bad breath . If your bad breath keeps returning even after brushing, read our related article: Why Your Bad Breath Comes Back After Brushing . Oral causes (the majority) Research consistently finds that most cases of persistent bad breath start inside the mouth. The main sources are: Tongue coating. Bacteria, dead cells and food debris collect on the back of the tongue. This is the biggest single source in most patients. Gum disease. Bleeding gums, gum pockets and bone loss create low-oxygen spaces that odour-producing bacteria love. Dental decay and failing restorations. Cavities, cracked fillings and loose c...