Oral-B iO brush head using micro-vibrations for plaque removal on tooth enamel and gentle rotation along the gumline for healthier gums

GUM DISEASE

How Oral-B iO Electric Toothbrush Supports Healthier Gums

10 minute read

Last updated 08/2026

Dr. Stephanie Gans is a general dentist with more than a decade of experience in the industry

Approved and reviewed by Dr. Gans, a dental professional of over 10 years.

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  • Contents

  • What Is Gingivitis?
  • Why Oral-B iO Is a Strong Choice for Helping Reduce Gingivitis and Support Gum Health
  • How Does Oral-B iO Compare with Sonicare®?
  • What to Do If Your Gums Bleed
  • FAQs
  • Sources

Quick hit key takeaways

1

Plaque buildup along the gumline can lead to gingivitis.

2

Gingivitis can be reversed with good oral care and consistent plaque removal.

3

Oral-B iO removes more plaque than a manual toothbrush to help support healthier gums.3

4

In one study, 81.8% of Oral-B iO users achieved healthy gums after 8 weeks.3

5

Brush twice a day , clean between teeth, and see your dentist if bleeding continues.

What Is Gingivitis?

Gingivitis is the earliest stage of gum disease—and an important warning sign that plaque is irritating the gums, often noticed as red, swollen, or bleeding gums.It happens when plaque bacteria build up along the gumline and trigger inflammation.

Daily plaque removal is an important step in helping prevent and reverse early gum inflammation.

Taking action early matters because gum inflammation can progress if plaque is not removed consistently. Over time, untreated gingivitis may develop into periodontitis, a more serious form of gum disease that can damage the tissues and bone that support the teeth.

Consistent brushing, along with regular dental visits, can help support healthier gums before problems become more serious.

Stages of gum disease beginning with Gingivitis, Periodontitis, and Advanced Periodontitis, and a fact about gum bleeding increasing tooth loss risk

Why Oral-B iO Is a Strong Choice for Helping Reduce Gingivitis and Support Gum Health

Oral-B iO features a round brush head with oscillating-rotating technology plus micro-vibrations to help surround each tooth and clean along the gumline, where plaque can build up.

In an 8-week randomized controlled trial of adults with gingivitis, Oral-B iO users had significantly greater reductions in plaque and gingivitis compared with manual toothbrush users.

By week 8, 81.8% of Oral-B iO users reached healthy gum status, compared with 23.6% of manual toothbrush users.

The benefits were seen in areas where plaque can be harder to remove, including along the gumline, between teeth, and around back teeth.

In the same 8-week study, Oral-B iO delivered significantly greater plaque reduction after one brushing and after 1 and 8 weeks of use compared with a manual toothbrush.

A meta-analysis of randomized controlled trials also found that oscillating-rotating toothbrushes provided greater plaque reduction, greater bleeding-site reduction, and a faster transition to healthy gums compared with manual and sonic toothbrushes.

How Does Oral-B iO Compare with Sonicare®?

In clinical studies, Oral-B iO showed greater reductions in gingivitis and plaque than the premium Sonicare® DiamondClean toothbrushes evaluated.In an 8-week study, Oral-B iO reduced gingivitis better than Sonicare® DiamondClean and helped more gingivitis patients reach healthy gum status.

In a 6-month clinical study versus Sonicare® DiamondClean SMART, Oral-B iO showed 32.6% greater reduction in gingivitis, 5.8x higher odds of moving to a generally healthy gum state, and greater plaque reduction across the whole mouth, between teeth, and along the gumline.

A complete daily oral hygiene routine using an electric toothbrush with soft bristles, stannous fluoride toothpaste, flossing, and alcohol-free mouthwash with a tongue scraper

What to Do If Your Gums Bleed

Bleeding gums can be an early sign of gingivitis, especially when plaque builds up along the gumline. The first step is to focus on consistent plaque removal: brush twice a day, clean between teeth daily, and use a gentle technique.

An electric toothbrush like Oral-B iO can help by supporting effective gumline cleaning and alerting you if you brush too hard. If bleeding continues, worsens, or is accompanied by swelling, pain, or loose teeth, see a dental professional.

Only from Oral-B, the #1 brand used by dentists worldwide*.

*BASED ON SURVEYS OF A REPRESENTATIVE WORLDWIDE SAMPLE OF DENTISTS CARRIED OUT FOR P&G REGULARLY

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FAQs

What is the best electric toothbrush for gingivitis?

The best electric toothbrush for gingivitis is one that helps remove plaque effectively, especially along the gumline where gum inflammation often begins.

Oral-B iO is a strong option because it combines a dentist-inspired round brush head, oscillating-rotating technology, micro-vibrations, and pressure guidance to help users brush thoroughly while being gentle on gums.

Can Oral-B iO help with bleeding gums?

Bleeding gums can be an early sign of gingivitis, which is often linked to plaque buildup along the gumline. Oral-B iO can help support healthier gums by improving plaque removal and helping users clean more consistently.

If bleeding continues, worsens, or is paired with swelling or pain, see a dental professional for diagnosis and care.

Is Oral-B iO better than a manual toothbrush for gum health?

In an 8-week clinical study of adults with gingivitis, Oral-B iO users had significantly greater reductions in plaque and gingivitis compared with manual toothbrush users.

By week 8, 81.8% of Oral-B iO users reached healthy gum status, compared with 23.6% of manual toothbrush users.

How does Oral-B iO compare with Sonicare® for gingivitis?

In clinical studies, Oral-B iO showed greater reductions in gingivitis and plaque than the premium Sonicare® DiamondClean toothbrushes evaluated.

In a 6-month study versus Sonicare® DiamondClean SMART, Oral-B iO showed 32.6% greater reduction in gingivitis and 5.8x higher odds of moving to a generally healthy gum state.

What toothbrush features matter most for gingivitis?

For gingivitis, look for features that help with plaque removal, gumline cleaning, and gentle brushing technique. Helpful features include a round brush head that cleans tooth by tooth, oscillating-rotating action, micro-vibrations, a pressure sensor to help prevent brushing too hard, a two-minute timer, and sensitive or gum-care brushing modes.

Bottom line: Oral-B iO helps support healthier gums by combining effective plaque removal with features that make brushing along the gumline easier and more consistent.

Clinical studies show meaningful benefits for plaque reduction, gingivitis reduction, and transition to healthy gum status compared with manual and premium sonic toothbrushes.

Sources

  • 1. Trombelli L, Farina R, Silva CO, et al. Plaque-induced gingivitis: case definition and diagnostic considerations. Journal of Periodontology. 2018;89(Suppl 1):S46-S73. https://doi.org/10.1002/JPER.17-0576
  • 2. Chapple ILC, Mealey BL, Van Dyke TE, et al. Periodontal health and gingival diseases and conditions on an intact and a reduced periodontium: consensus report of workgroup 1 of the 2017 World Workshop. Journal of Periodontology. 2018;89(Suppl 1):S74-S84. https://doi.org/10.1002/JPER.17-0719
  • 3. Grender J, Goyal CR, Qaqish J, Adam R. An 8-week randomized controlled trial comparing the effect of a novel oscillating-rotating toothbrush versus a manual toothbrush on plaque and gingivitis. International Dental Journal. 2020;70(Suppl 1):S7-S15. https://doi.org/10.1111/idj.12571
  • 4. Zou Y, Grender J, Adam R, Levin L. A meta-analysis comparing toothbrush technologies on gingivitis and plaque. International Dental Journal. 2024;74:146-156. https://doi.org/10.1016/j.identj.2023.06.009
  • 5. Luo C, Chen N, Jing Q, Hu S, Wan S, Zhang S, Liu G, Li N, Zhao LY. Comparative efficacy of electric toothbrush technologies in plaque and gingivitis reduction: a network meta-analysis. Clinical Oral Investigations. 2026;30:270. https://doi.org/10.1007/s00784-026-06955-z
  • 6. Adam R, Goyal CR, Qaqish J, Grender J. Evaluation of an oscillating-rotating toothbrush with micro-vibrations versus a sonic toothbrush for the reduction of plaque and gingivitis: results from a randomized controlled trial. International Dental Journal. 2020;70(Suppl 1):S16-S21. https://doi.org/10.1111/idj.12569
  • 7. Goyal CR, Adam R, Timm H, Grender J, Qaqish J. A 6-month randomized controlled trial evaluating a novel smart-connected oscillating-rotating toothbrush versus a smart-connected sonic toothbrush for the reduction of plaque and gingivitis. American Journal of Dentistry. 2021;34(1):54-60
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