What causes bad breath?

Bad breath is a very common dental problem. Bad breath is also called halitosis in medical terms. There are many different things that can cause bad breath or halitosis, from not brushing your teeth regularly to a certain medical condition. But the most common cause of halitosis is poor oral hygiene, because when we leave food particles in our mouth, there pieces of food will eventually rot and cause a foul odor. Also, these food particles can collect any kinds of bacteria which can also be smelly also. Plus, buy not brushing your teeth regularly, a plaque will start to form in our gum line and soon it will become tartar that can also lead to halitosis.