2. You can scrape your tongue
It’s not just about teeth. Bacteria can grow on all surfaces of your mouth including your inside cheeks, gums and your tongue. It is possible to remove some of the bacteria on your tongue by brushing it. However, this will not eliminate all of the agents that can cause bad breath. The irregular texture of your tongue can allow bacteria to hide and grow. This leads to bad breath.
Other infections, such as microscopic fungi, can also grow on your mouth, leading to bad breath. It is essential to clean your tongue. Dead cells can also accumulate. Use a tongue scraper a few times per day to keep it clean. You can use the tongue scraper that is on some toothbrushes. You can also use a spoon.