... help Reddit App Reddit … Posted by 1 year ago. Some serious medical conditions, such as diabetes, liver or kidney disease and even certain cancers can cause bad breath even after brushing. If it is not cleaned off, YOU WILL STILL HAVE BAD BREATH EVEN AFTER BRUSHING TEETH. Dental caries: If one is having a continuous bad breath even after brushing teeth or flossing regularly, it can be due to bacterial cavity. You can use cotton swabs to carefully remove them. These are also a not-uncommon culprit of bad breath. An inexpensive tongue scraper tool can be used to scrape all the residue left on the back of the tongue before or after brushing teeth. There are a few different things that could cause bad breath after brushing. Close. Check for any cavity in the teeth. Talk to your dentist. In this article, Dr Karmazin will share six possible reasons you’re experiencing that “not-so-fresh” feeling even after brushing, as well as a few ways to solve the problem. 20. My breath smells like ass even though I brush my teeth. You may be able to solve your bad breath by making sure you don’t miss an opportunity to take care of your teeth … 6 possible causes of bad breath … Broken tooth: Broken tooth and dental fillings can lock in food particles in the teeth… Archived. Working it into the regular brushing routine will resolve this problem for half the people suffering with bad breath. Cavities can inflamed the gums and emit bad breath. Also, if you use mouthwash, make sure you tilt your head back and gargle towards the back of your throat.