More than 80 million people suffer from chronic bad breath or bad breath. In most cases, it originated in the gums and tongue. This odor is caused by oral bacterial waste, decay of food particles, other debris in the mouth, and poor oral hygiene. Sulfur and debris produce sulfur compounds, causing unpleasant odor.
Bad breath is mainly caused by poor oral hygiene, but may also be caused by retained food particles or gum disease.