BEST DENTIST IN CHENNAI! One of the top reasons why your breath may be a bit wonky is because of undigested food particles in and around your teeth. Regular brushing and flossing can reduce the amount of odor-causing bacteria in your mouth. If you suspect that your breath is off-putting to others, schedule a checkup. In just minutes we at Apple Dental can assess your oral hygiene and determine not only the cause of your bad breath, but provide a care plan to eliminate it.