Any person trying to improve the quality of their breath should always start off by establishing a regimen of thorough tongue cleaning (either brushing or scraping).
In most cases, it's likely that this will be the only cure that's needed.
If not, it at least makes a giant first step.
By scrapping or scrubbing the dorsal surface of your tongue (meaning its top side, the side you can see).
► See also: ORAL PIERCINGS : Dental Dangers
You're ridding it of what's probably the largest refuge of odor producing bacteria in your mouth, along with the nutrients they feed on.
Sorry in advance to add yet one more thing you have to do when brushing and flossing -- but a clean tongue is a clean and healthy mouth and scraping your tongue is essential.
It's easy to do though. Watch here and I'll show you how to scrape your tongue, and what to expect if it's your first time.
Fuente: Youtube / Dr. Mark Burhenne