Teeth News and Research

Latest Teeth News and Research

Neanderthal legacy: The surprising genetics behind human tooth size

A recent study identifies key genetic factors—PITX2 expression and Neanderthal-introgressed HS3ST3A1—that contribute to variations in tooth size among modern human populations, especially highlighting differences across ancestries.

17 Dec 2024

Trump threat to immigrant health care tempered by economic hopes

President-elect Donald Trump's promise of mass deportations and tougher immigration restrictions is deepening mistrust of the health care system among California's immigrants and clouding the future for providers serving the state's most impoverished residents.

17 Dec 2024

Intelligent toothbrush improves oral health and quality of life of older people

After seeing the oral health of many of his older patients deteriorate drastically, dentist Johan Flyborg started looking for a solution.

10 Dec 2024

Study finds divergent relationship between different sugar sources and cardiovascular disease risk

A little of what you fancy does you good… unless it's a fizzy drink. Scientists studying the impact of sugar on the risk of cardiovascular disease have found that eating too much added sugar increases your risk of stroke or aneurysm, but eating a few treats is associated with a lower risk of cardiovascular diseases.

9 Dec 2024

Why does tinnitus worsen after naps?

Sstudy identifies how somatosensory factors, including snoring and sleep apnea, contribute to tinnitus loudness increases during naps. Researchers found temporary but measurable effects, suggesting that tensor veli palatini muscle dysfunction may play a role in these changes.

8 Dec 2024

Ancient footprints reveal two hominin species coexisting 1.5 million years ago

More than a million years ago, on a hot savannah teeming with wildlife near the shore of what would someday become Lake Turkana in Kenya, two completely different species of hominins may have passed each other as they scavenged for food.

28 Nov 2024

WHO hosts historic meeting to address global oral health challenges

Delegations from over 110 countries are coming together to produce national roadmaps and negotiate a joint declaration on oral health at the first-ever global oral health meeting organized by the World Health Organization (WHO).

26 Nov 2024

Experts identify key strategies to combat tooth decay in young children

Researchers at The University of Manchester have identified several ways for health leaders to tackle the problem of tooth decay in children in England.

24 Nov 2024

New study challenges the traditional view of gene switches

Some sequences in the genome cause genes to be switched on or off. Until now, each of these gene switches, or so-called enhancers, was thought to have its own place on the DNA.

22 Nov 2024

New insights into the genetic legacy of Denisovans

Scientists believe individuals of the most recently discovered "hominin" group (the Denisovans) that interbred with modern day humans passed on some of their genes via multiple, distinct interbreeding events that helped shape early human history.

8 Nov 2024

California expanded Medi-Cal to unauthorized residents. The results are mixed.

California this year took the final step in opening Medi-Cal, its Medicaid program, to every eligible resident regardless of immigration status. It's a significant expansion for an already massive safety net program.

8 Nov 2024

Vitamin D supplements during pregnancy strengthen children's bones

Children whose mothers took extra vitamin D during pregnancy continue to have stronger bones at age seven, according to new research led by the University of Southampton and University Hospital Southampton (UHS).

6 Nov 2024

Dentists are pulling ‘healthy’ and treatable teeth to profit from implants, experts warn

Becky Carroll was missing a few teeth, and others were stained or crooked. Ashamed, she smiled with lips pressed closed. Her dentist offered to fix most of her teeth with root canals and crowns, Carroll said, but she was wary of traveling a long road of dental work.

1 Nov 2024

Gum disease tied to higher thrombosis risk: Could periodontal therapy help save lives?

The connection between gum disease and thrombosis underscores the role of oral health in reducing thrombotic disease risk and improving patient outcomes.

17 Oct 2024

Oral health strategies for healthy aging: A call to action

Research explores the connection between aging populations and oral health, proposing an integrated model to address health challenges in older adults, with a focus on policy changes in the UK.

10 Oct 2024

Immune modulation as a new strategy to combat periodontal disease

Targeting the immune system could prevent or treat periodontal disease (PD), a common but serious disease of the gums, according to new research from the University of Pittsburgh.

30 Sep 2024

AAP publishes first clinical guideline for opioid use in pediatric care

The American Academy of Pediatrics has published its first clinical guideline for pediatricians on prescribing opioids, including explicit instructions on how and when to prescribe these medications for pain while reducing the long-term risk of addiction.

30 Sep 2024