• MEDIUM
  • Research
  • Tier 1
  • Mainstream Media

Electric toothbrush generates its own power to fight plaque bacteria

Source
Bioengineer.org

Summary and scoring by The Bell Brief (Dr. Jennifer Bell) using the Drill-Down Protocol. Not the original publisher.

Why it matters for dental

A new piezoelectric toothbrush that generates reactive oxygen species during use showed better plaque control, reduced gingival inflammation, and less bleeding than conventional brushes in a single 115-person trial; practice owners and clinicians may want to monitor availability once the device reaches market.

Key points

  1. 01

    Yanhui Lu and colleagues assigned the self-charging piezoelectric devices to 115 volunteers who received identical brushing instructions.

  2. 02

    Over three months the device reduced relative abundance of oral pathogens including Porphyromonas gingivalis in gene-sequencing samples.

  3. 03

    Laboratory tests showed the generated reactive oxygen species killed bacterial biofilms on teeth.

  4. 04

    The three-month trial reported improvements in plaque control, gingival inflammation, and bleeding versus nylon-bristled brushes.

Who should care

  • Associate
  • Specialist
  • Academia / research

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Bioengineer.org

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