At an auction in England in 2011, one of John Lennon’s teeth sold for just over US$31,000. Yet, in a society where 1 out of 5 Americans ages 75 and up live without their teeth, many people may not ...

Our expert staff answers frequently asked questions in their areas of expertise and defines common terms so you can be a smarter shopper. Read more here. Over the past few years, nano-hydroxyapetite ...

A professional whitening treatment at the dentist’s office is the fastest and most effective way to see results, but it’s costly and time consuming. If you’re leaning toward using over-the-counter ...

Tooth loss is extremely common. It’s estimated that 69 percent of adults 35 to 44 have lost at least one adult tooth. By age 74, about a quarter of Americans lose all of their adult teeth. When you ...

Rotten or decayed teeth are teeth that have become damaged by decay or infection. Signs include pain and marks or holes in tooth enamel. Decay usually results from inadequate oral hygiene, but certain ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. Inscriptions on the tube and on the ...