Typically, people have two sets of teeth during their lives—primary, or baby teeth, and permanent, or adult teeth. This article looks at types of teeth and their functions.

When this happens, the teeth need to be rasped by a vet or an equine dental technician to remove the sharp edges. It’s advised that you have your donkey’s teeth rasped every six months to ...

If your teeth are only slightly crooked or just a bit crowded, an orthodontist-prescribed retainer may be enough to straighten them. But don't attempt to straighten your teeth by yourself. Here's why.

Dental stem cells are medical assets Most extracted wisdom teeth are discarded without a second thought, but some companies now offer preservation kits to turn this waste into long-term medical assets ...

Most at-home teeth whitening kits are made with peroxide, which “can partially penetrate the layers of teeth, removing compounds that cause discoloration,” according to dentist Dr. Kami Hoss.

Paleontologist and Geologist Dr. Ken Lacovara joins WIRED to answer the internet's burning questions about fossils. Can we ...

Left cerebral hemisphere of an adult male buried at the site of the former Blackberry Hill Hospital (Bristol, UK). The surface of the brain’s visible convolutions is stained red with iron oxides.

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If fluoride is removed from your tap water, there are steps you can take to protect your teeth and your children’s teeth. Note, however, Dr. Nascimento adds, that “none of these alternatives ...

Au revoir Pornhub! Adult site pulls out of France, sending users into a frenzy By Gabrielle Fahmy Published June 7, 2025, 8:09 a.m. ET ...