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Dentistry news

Dentistry

Countries agree to end mercury tooth fillings by 2034

Countries agreed Friday to phase out the use of mercury-based dental amalgams in tooth fillings by 2034, in a move that will change dentistry around the world.

Neuroscience

Over-the-counter painkillers match or surpass opioids for dental surgery in all adults, analysis confirms

Over-the-counter pain medications work as well or better than opioids after wisdom tooth extraction for both men and women, according to a Rutgers Health-led follow-up to a landmark paper on comparative pain relief.

Dentistry

Countries call for mercury dental fillings ban by 2030

Multiple countries including the United States called Monday for a worldwide ban on mercury-based dental amalgams by 2030, at a meeting of signatories to a treaty on limiting the toxic metal.

Medical research

Scientists find cells that know when, where and how to grow teeth

Tooth development is a dynamic process that involves the stages of the bud, the cap, and the bell, followed by root development and subsequent tooth formation. Processes such as the bud-to-cap transition are mediated by epithelial-mesenchymal ...

Medications

Antidepressants show promise for alleviating jaw pain

Certain antidepressants can help alleviate chronic jaw pain caused by temporomandibular disorders (TMDs), according to a research review by a team of researchers with expertise in dentistry and pharmacy published in the Journal ...

Dentistry

AI-assisted growth prediction advances orthodontics

Orthodontic treatment is most effective when timed to coincide with a child's growth peak. Traditionally, clinicians estimate growth by examining X-ray images of the cervical vertebrae—the neck bones visible in routine ...

Dentistry

Halloween doesn't have to be a horror for children's teeth

Sweet treats are as much a part of Halloween as haunted houses, creative costumes and the Monster Mash. They're fun to collect, but having that big bag of candy around the house for weeks after Halloween can't be good for ...

Dentistry

Loss of first baby tooth a positive experience for children

How do children feel when they lose their first baby tooth? An interdisciplinary research group at the University of Zurich has now found that children's feelings are predominantly positive. The study also reveals that previous ...

Dentistry

Why some kids are more prone to dental decay

A quarter of children have dental decay by the time they start school. This occurs when bacteria in the mouth break down sugar to produce acid, which attacks and dissolves the teeth.

Alzheimer's disease & dementia

Periodontal disease bacteria may kick-start Alzheimer's

Long-term exposure to periodontal disease bacteria causes inflammation and degeneration of brain neurons in mice that is similar to the effects of Alzheimer's disease in humans, according to a new study from researchers at ...

Dentistry

How to (gently) get your child to brush their teeth

For most parents, the phrase "I don't want to brush my teeth" is rather familiar. While it may seem easiest to pry their mouth open and force them to brush, research suggests there are better ways that may positively influence ...

Dentistry

Regrowing dental tissue with stem cells from baby teeth

Sometimes kids trip and fall, and their teeth take the hit. Nearly half of children suffer some injury to a tooth during childhood. When that trauma affects an immature permanent tooth, it can hinder blood supply and root ...

Dentistry

50 shades whiter: What you should know about teeth whitening

The effect of teeth whitening was discovered quite by accident. In the past, dentists tried to treat gum disease with mouth rinses containing hydrogen peroxide. They noticed teeth became whiter over time following use of ...

Dentistry

Bioengineered tooth replacement opens doors to new therapies

Tooth loss is a significant health issue currently affecting millions of people worldwide. While artificial dental implants are the existing standard tooth replacement therapy, they do not exhibit many properties of natural ...

Dentistry

The starch risk to teeth

An examination of research on oral health, commissioned by the World Health Organisation, has indicated that for oral health we should stick to whole grain carbohydrates and avoid processed ones, especially if sweet.

Dentistry

What are wisdom teeth, and should you have them removed?

Unfortunately, oral and dental pain is something everyone can relate to. One of the most common reasons people visit the dentist is for pain related to their "wisdom teeth", or the third set of molar (grinding) teeth to erupt ...

Dentistry

Misleading claims on sugar-rich cereals

The BDA has called for sweeping changes to food marketing and product formulation, as new research by Cardiff University reveals the extent of misleading claims on sugar-rich cereals aimed at children.

Dentistry

Are caries linked to political regime?

At the 96th General Session of the International Association for Dental Research (IADR), held in conjunction with the IADR Pan European Regional (PER) Congress, John Estrada-Montoya, Universidad Nacional de Colombia, Bogotá, ...

Dentistry

Exploring the microbial dark matter of the human mouth

At the 96th General Session of the International Association for Dental Research (IADR), held in conjunction with the IADR Pan European Regional (PER) Congress, Alexandra Clark, Queen Mary University of London, Barts and ...