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Ultrasonic toothbrush might revolutionize dental hygiene

Robin Wulffson MD's picture
dental hygiene, gum disease, peridontal disease, ultrasound, teeth whitening

Electric toothbrushes have been around for decades in the US; however, none of them employ ultrasound for cleaning teeth. A new product, based on technology employed in Europe since 2009, reportedly whitens teeth, removes tartar, kills bacteria, and requires no brushing.

The Emmi-Dent Ultrasonic Toothbrush, which is modeled after the average dental teeth cleaning instruments that employ ultrasonic power to break down tartar. The toothbrush employs microwaves at significantly less power than those used in the dental instruments. The device generates ultrasound with a patented ultrasonic microchip, which is embedded inside the brush head. This chip creates up to 96 million ultrasonic (air oscillations) impulses per minute and transmits them via the bristles and Nano-bubble toothpaste onto the teeth. The ultrasonic impulses penetrate teeth and gums; thus, destroying bacteria and germs where bristles can’t reach. This cleansing process both reduces and protects against periodontal (gum) disease. Specially formulated nano-bubbles are up to 1000x smaller and are able to reach between the teeth, into the smallest crevices, supporting and enhancing the cleaning effect of ultrasound. Nano-bubble cleaning removes plaque, tartar, food scraps and impurities.

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The manufacturer reports that the Emmi-Dent emits just enough power to kill bacteria on gums and teeth; however, the energy level is low enough so that it does not harm the teeth or enamel Conventional toothbrushes are effective in scraping away bacteria; however, some bacteria survive on the bristles between brushings and are reintroduced to the mouth at the next brushing. The ultrasound destroys bacterial membrane; thus, they are killed. Emmi-Dent notes that regular users report less oral information, improved breath, and whiter teeth.

The manufacturer notes that the ultrasound technology employed in their product has been proven effective by a number of European studies; in addition, it reports positive feedback from dentists. It also notes that no adverse effects from use of the product have been reported. The product can be used with dental implants, crowns, and veneers. It reportedly does an excellent job for individuals wearing braces.

For more information, click on this link to visit the The Emmi-Dent Web site.

  • Currently, more than 75% of Americans have some form of gum disease. According to the American Dental Association, some factors that increase the risk of developing periodontal disease are:
  • Tobacco smoking or chewing
  • Systemic diseases such as diabetes
  • Some types of medication such as steroids, some types of anti-epilepsy drugs, cancer therapy drugs, some calcium channel blockers and oral contraceptives
  • Bridges that no longer fit properly
  • Crooked teeth
  • Fillings that have become defective
  • Pregnancy or use of oral contraceptives

The ADA notes these warning signs of periodontal disease:

  • Gums that bleed easily
  • Red, swollen, tender gums
  • Gums that have pulled away from the teeth
  • Persistent bad breath or bad taste
  • Permanent teeth that are loose or separating
  • Any change in the way your teeth fit together when you bite
  • Any change in the fit of partial dentures