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Dental plaque is no match for catalytic nanoparticles

Combine a diet high in sugar with poor oral hygiene habits and dental cavities, or caries, will likely result. The sugar triggers the formation of an acidic biofilm, known as plaque, on the teeth, eroding the surface. Early ...

New evidence on how fluoride fights tooth decay

In an advance toward solving a 50-year-old mystery, scientists are reporting new evidence on how the fluoride in drinking water, toothpastes, mouth rinses and other oral-care products prevents tooth decay. Their report appears ...

Determining toothpaste abrasion

There are various types of toothpaste available on the market. They come as pastes and gels, there are some that guard against tooth decay or protect teeth from acid attack, others that are designed for sensitive teeth. But ...

Scientists answer how bacteria fight toxic flouride

Yale researchers have uncovered the molecular tricks used by bacteria to fight the effects of fluoride, which is commonly used in toothpaste and mouthwash to combat tooth decay.

Ultrathin dental camera inspired by insect-eye structure

Conventional dental photography technology has had a limitation in using inconvenient tools such as mirrors and cheek retractors. Dentists require basic teeth images from various angles, such as right/left buccal and maxillary/mandibular ...

Iceman Otzi had bad teeth

For the first time, researchers from the Centre for Evolutionary Medicine at the University of Zurich together with colleagues abroad have been able to provide evidence of periodontitis, tooth decay and accident-related dental ...

Making teeth tough: Beavers show way to improve our enamel

Beavers don't brush their teeth, and they don't drink fluoridated water, but a new Northwestern University study reports beavers do have protection against tooth decay built into the chemical structure of their teeth: iron.

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