Are tongue scrapers truly effective?

Bad breath can stem from health issues such as pneumonia, bronchitis, diabetes, or liver and kidney disorders. However, most often, it originates from oral conditions. While you might assume that food travels directly from your mouth to your stomach, some particles linger between your teeth. As these particles decompose, they fuel the growth of bacteria in your mouth, often prompting a quick reach for breath mints.

Eventually, you'll seek a long-term solution to this issue, and a tongue scraper could play a key role in addressing it.

The growth of odor-causing bacteria can impact your teeth, gums, and tongue. While regular brushing and flossing, as recommended by dentists, target the teeth and gums, the tongue is often overlooked. The tongue's surface, with its tiny bumps and ridges, creates an ideal habitat for bacteria. These bacteria produce foul-smelling volatile sulfur compounds (VSCs) such as hydrogen sulfide, methyl mercaptan, and dimethyl sulfide. Removing these bacteria from your tongue can significantly improve your breath.

This is where tongue scrapers prove useful. These compact plastic tools have a curved edge designed to scrape away germs and bacteria from the tongue's surface as you drag them across. While brushing your tongue with a toothbrush can also help, the tongue's uneven surface often hides bacteria, making it difficult for the soft bristles of a toothbrush to remove all the odor-causing cells.

WebMD highlights studies indicating that tongue scrapers are slightly more effective than toothbrushes in combating bad breath [source: Hitti]. A 2004 study by researchers at Brazil's University of Sao Paulo revealed even more striking results: a 75 percent reduction in VSCs with tongue scrapers, compared to just a 45 percent reduction when using a toothbrush [source: Pedrazzi].

Using a tongue scraper is straightforward: Position it at the back of your tongue and gently pull it forward toward the tip. Similar to brushing your tongue, there's no definitive way to know when you're done, so continue until you feel satisfied. However, if you have any tongue irritation, cuts, or sores, allow your tongue to heal before using a scraper.

If bad breath continues, consult your dentist or doctor. Gum disease, cavities, or an underlying health issue could be the cause. For more details on tongue scrapers and bad breath, explore the next page.