Technically, teeth are part of the digestive system (not the skeletal system). They begin the digestive process by chewing and breaking down food. The visible part of the tooth is called the crown.

Claiming to make your teeth up to 10 shades whiter after just six daily treatments, this CurrentBody LED device is well worth a look. It uses PAP whitening technology to break down stains and is ...

An “intermediate step” towards regrowing permanent human teeth could involve a mash-up of synthetic materials and stem cells. “We’re pretty good at making artificial enamel,” said Klein.

“Hydrogen peroxide works by breaking down into water and oxygen, which oxidizes stains and bleaches teeth,” says cosmetic ... (We’ve also rounded up the top peroxide-free formulas for ...

That discoloration might extend up your teeth, down under your gums or both. Speaking of your gums, you might notice symptoms there, too. The calculus can irritate your gums, causing inflammation.

Much rarer are more severe cases, which cause pits in the enamel. Cleaning your teeth is more difficult when you wear braces, making it easier for plaque to build up. It’s little wonder, then, that ...

"Kind of a pain to 'let it dry' on your teeth. I usually end up using my hair dryer to speed it along." A final shopper stated: "Yes, I see a bit of whitening, but will get strips next time.

Whether you have discolored teeth or surface stains, there are a variety of products that make it easy to whiten teeth at home -- no dentist appointment needed. If you want to DIY a brighter smile ...

Better still? You can snap up these teeth whitening strips for just £19.99 for a limited time, bringing the price down to just 95p per treatment. Who needs the hygienist? Giving you a painless ...