Dentistry News

July 23, 2026

Top Headlines

Goodbye, Cavities? New Gel Could Regrow Tooth Enamel

July 23, 2026 Researchers have developed a fluoride-free gel that could help rebuild damaged tooth enamel, something the body cannot naturally replace once it is lost. Inspired by the proteins that guide enamel formation in infancy, the gel fills microscopic ...

Alzheimer’s Breakthrough: Scientists Restore Two Hours of Sleep Without Clearing Brain Plaques

July 20, 2026 Researchers have uncovered a surprising culprit behind sleep loss in Alzheimer’s disease: the brain’s own immune cells. In mice with amyloid plaques, overactive microglia triggered inflammation ...

Chewing Bubble Gum After Beetroot May Help Lower Blood Pressure

July 14, 2026 A new study found that chewing sugary gum after eating nitrate-rich vegetables or drinking beetroot juice helped the body produce more beneficial nitrite, leading to a temporary drop in blood pressure. Researchers hope the discovery will lead to ...

Scientists Discover a Hidden Heart Valve Risk Linked to Gum Disease

July 13, 2026 Researchers found that bacteria linked to gum disease may help drive the development of calcific aortic valve stenosis by triggering inflammation and calcium buildup in the heart valve. The early findings suggest that keeping gums healthy could play ...

Why the Human Body Has so Many Design Flaws

July 10, 2026 Many of the body's biggest flaws are the result of evolution building on old designs instead of starting over. Our spine, eyes, teeth, pelvis, and even certain nerves all reveal compromises that worked well enough for survival but still leave us ...

New Weight Loss Pill Beats Oral Ozempic in Major Trial

July 8, 2026 A new once-daily weight-loss pill called orforglipron delivered better weight loss and blood sugar improvements for people with type 2 diabetes than the leading oral semaglutide in a major clinical trial. The tablet could offer a more convenient ...

Butter and Margarine Look Similar but Their Chemistry Changes Everything

June 26, 2026 The battle between butter and margarine comes down to chemistry. Butter’s naturally occurring fats create rich flavors, golden browning, and flaky baked goods, while margarine’s modified plant oils offer consistency and a longer shelf life. ...

This Giant Tropical Fruit Could Help Reverse Gum Disease Damage

June 19, 2026 A new biomaterial made from jackfruit latex, pomegranate peel, and simvastatin could transform the treatment of severe gum disease. Early tests suggest it not only combats infection and inflammation but may also help rebuild lost bone and tissue ...

Can Fasting Fight Gum Disease? Scientists Find Surprising Link

June 12, 2026 A low-calorie fasting-style diet significantly reduced inflammation linked to gum disease in a small clinical study. The findings suggest that what people eat may influence gum health almost as much as what they do with a ...

Sleep Apnea’s Hidden Heart Disease Trigger Found in the Gut

June 9, 2026 A surprising gut-heart connection may help explain why sleep apnea increases the risk of cardiovascular disease. In mice, disabling a bile acid receptor called FXR sharply reduced plaque buildup, opening the door to potential new treatments based on ...

Beet Juice Lowers Blood Pressure in Older Adults in Just 2 Weeks

May 25, 2026 Drinking nitrate-rich beetroot juice may do more than support heart health — it could actually reshape the bacteria living in the mouth in ways that help lower blood pressure in older adults. In the largest study of its kind, researchers found ...

Scientists Found a Hidden Alzheimer’s Trigger and Shut It Down

May 20, 2026 A newly identified enzyme called IDOL could become a major new target in the fight against Alzheimer’s disease. Researchers found that removing it from neurons sharply reduced amyloid plaques and improved key brain processes linked to resilience ...

Latest Headlines

updated 10:36am EDT

This Silent Tooth Infection Could Be Hurting Your Whole Body

May 15, 2026 Scientists are uncovering a surprising link between hidden tooth infections and blood sugar problems. Deep infections around tooth roots can create chronic inflammation that spreads through the body ...

Scientists Discover a New Way to Prevent Gum Disease Without Killing Good Bacteria

May 8, 2026 Scientists have uncovered a surprising way to influence the bacteria living in our mouths — not by killing them, but by interrupting how they ...

Boosting One Protein Helps the Brain Fight Alzheimer’s

May 2, 2026 Scientists have discovered a way to help the brain clean itself of harmful Alzheimer’s plaques by activating its own support cells. By increasing a protein called Sox9, researchers were able to ...

New Toothpaste Stops Gum Disease Without Killing Good Bacteria

Apr. 13, 2026 Scientists have developed a new way to fight gum disease without wiping out the mouth’s helpful bacteria—a major shift from traditional treatments. Instead of killing everything, this targeted ...

Artificial Saliva Made from Sugarcane Protein Protects Teeth from Acid and Decay

Apr. 5, 2026 Scientists have created an artificial saliva using a sugarcane protein that can protect teeth and fight bacteria. The key ingredient, CANECPI-5, ...

Deepfake X-Rays Are So Real Even Doctors Can’t Tell the Difference

Mar. 26, 2026 Deepfake X-rays created by AI are now convincing enough to fool both doctors and AI models. In tests, radiologists had limited success identifying fake images, especially when they didn’t know they ...

First Ever Atomic Movie Reveals Hidden Driver of Radiation Damage

Mar. 24, 2026 Researchers have visualized atoms in motion just before a radiation-driven decay process occurs, revealing a surprisingly dynamic scene. Instead of remaining fixed, the atoms roam and rearrange, ...

This New Tooth Powder Whitens Teeth Without Damage

Mar. 23, 2026 Researchers have developed a teeth-whitening powder that works with the vibrations of an electric toothbrush to safely remove stains. Unlike traditional whiteners, it not only brightens teeth but ...

Gum Disease Bacterium Linked to Breast Cancer Growth and Spread

Mar. 19, 2026 A common oral bacterium tied to gum disease may help spark and fuel breast cancer, according to new research. Scientists discovered it can travel through the bloodstream to breast tissue, where it ...

Fixing a Tooth Infection May Improve Blood Sugar and Heart Health

Mar. 17, 2026 A new clinical study suggests that successful root canal treatment may benefit more than just dental health. Patients treated for infected teeth showed improved blood sugar control, healthier ...

Laser Printed Hydrogel Implant Could Transform Bone Repair

Mar. 3, 2026 When a bone break is too severe to heal on its own, surgeons often rely on grafts or rigid metal implants — but both come with serious drawbacks. Now, researchers at ETH Zurich have created a ...

A Secret Cell Alliance May Explain Why Ovarian Cancer Is So Deadly

Feb. 9, 2026 Scientists have discovered why ovarian cancer spreads so rapidly through the abdomen. Cancer cells enlist normally protective abdominal cells, forming mixed groups that work together to invade new ...

This Natural Amino Acid Could Help Stop Cavities Before They Start

Jan. 9, 2026 Sugar-loving mouth bacteria create acids that damage teeth, but arginine can help fight back. In a clinical trial, arginine-treated dental plaque stayed less acidic, became structurally less harmful, ...

This Common Tomato Nutrient May Help Prevent Severe Gum Disease

Feb. 10, 2026 A large U.S. study suggests that not getting enough lycopene—the antioxidant that gives tomatoes their red color—may seriously raise the risk of severe gum disease in older adults. Researchers ...

A Smarter Way to Screen for Breast Cancer Is Emerging

Jan. 4, 2026 A groundbreaking study shows that breast cancer screening works better when it’s personalized. Instead of annual mammograms for all, women were screened based on genetics, health history, and ...

Boosting One Protein Helps the Brain Protect Itself from Alzheimer’s

Nov. 23, 2025 Researchers discovered that raising the protein Sox9 can help the brain’s astrocytes clear out toxic plaque buildup linked to Alzheimer’s. In mouse models that already showed memory problems, ...

Garlic Mouthwash Shows Shockingly Strong Germ-Fighting Power

Dec. 8, 2025 Garlic extract is emerging as a surprisingly powerful contender to chlorhexidine, the long-standing “gold standard” in antimicrobial mouthwashes. A systematic review of clinical studies shows ...

Everyday Microplastics Could Be Fueling Heart Disease

Nov. 18, 2025 Microplastics—tiny particles now found in food, water, air, and even human tissues—may directly accelerate artery-clogging disease, and new research shows the danger may be far greater for males. ...

A New Way to Prevent Gum Disease Without Wiping out Good Bacteria

Dec. 16, 2025 Scientists are uncovering a surprising way to influence bacteria—not by killing them, but by changing how they communicate. Researchers studying oral bacteria found that disrupting chemical signals ...

New Gel Regrows Tooth Enamel and Could Transform Dentistry

Nov. 6, 2025 Researchers have created a bioinspired gel that can regenerate tooth enamel by mimicking natural growth processes. The fluoride-free material forms a mineral-rich layer that restores enamel’s ...

Gum Disease May Quietly Damage the Brain, Scientists Warn

Oct. 29, 2025 People with gum disease may have higher levels of brain white matter damage, a new study finds. Researchers observed that participants with gum disease had significantly more white matter ...

Cavities and Gum Disease Could Nearly Double Stroke Risk

Oct. 27, 2025 People with both cavities and gum disease were found to have an 86% higher stroke risk than those with healthy mouths. The study followed thousands of adults for two decades, linking poor oral health ...

Oct. 13, 2025 Finasteride, a common hair-loss drug, has long been tied to depression and suicide, but regulators ignored the warnings. Prof. Mayer Brezis’s review exposes global data showing psychiatric harm and ...

Harmful Mouth Bacteria May Trigger Parkinson’s Disease

Jan. 6, 2026 A familiar mouth bacterium best known for causing cavities may also be quietly influencing the brain. Scientists found that when this microbe settles in the gut, it produces compounds that can travel ...

Wegovy in a Pill? Massive Weight Loss Results Revealed

Nov. 6, 2025 Novo Nordisk’s oral semaglutide 25 mg achieved up to 16.6% weight loss in a landmark study, rivaling injectable Wegovy. The pill also improved cardiovascular risk factors and physical activity ...

A Plant Compound Might Be the Secret Weapon Against Gum Disease

Sep. 30, 2025 A team of researchers tested morin, a plant compound, against gum disease bacteria and found strong antimicrobial benefits. By encapsulating it in polymers, they created a powdered form for oral ...

Eating Mediterranean Could Be the Secret to Healthy Gums

Sep. 15, 2025 Eating more like the Mediterranean—rich in vegetables, legumes, fruits, and olive oil—may do more than just support heart health. A new King’s College London study suggests it also protects ...

Goodbye Cavities? This New Toothpaste Made from Hair Can Heal Enamel

Nov. 10, 2025 Scientists have found that keratin, the protein in hair and skin, can repair and protect tooth enamel. The material forms a mineralized layer that halts decay and restores strength, outperforming ...

4,000-Year-Old Teeth Reveal the Earliest Human High — Hidden in Plaque

Aug. 1, 2025 Scientists have discovered the oldest direct evidence of betel nut chewing in Southeast Asia by analyzing 4,000-year-old dental plaque from a burial in Thailand. This breakthrough method reveals ...

This Vaccine Uses Dental Floss Instead of Needles

Aug. 3, 2025 Scientists have discovered that flossing between your teeth could one day help vaccinate you. By targeting a uniquely permeable gum tissue called the junctional epithelium, this new method stimulates ...