Halitosis, also known as bad breath, is a chronic oral problem that affects over 60 million people in the United States. Generally, there are two major factors that cause halitosis: tongue plaque and gum disease. It is estimated that tongue plaque is attributed to 90% of the cases of people with halitosis. Six common types of bacteria, which are known to be highly proportionate in the plaque among people with halitosis, are veillonella, actinomyes, streptococcus parasanguinis, camyplobacter concisus, megasphaera, and neisseria. It is likely that the putrefaction of these bacteria crea…