Teeth are about as brittle as glass, so it’s practically a miracle that they can survive a lifetime of chewing, grinding and occasional accidents. When researchers looked for the reason behind our smiles’ strength, they found it’s not what our teeth are made of but how they’re built that makes them almost indestructible.
Enamel in and of itself is a fragile substance, but its structure-a microscopic basket-weave framework-makes teeth amazingly durable. A recent study by the National Institute of Standards and Technology uncovered this structure’s ability to keep a tooth intact, even if it has cracks.
If one of your teeth does break, it is likely to be replaced by a crown implant that is constructed much differently than your own teeth. The study authors believe that artificial teeth could be much sturdier if they were made of materials that more closely resembled natural teeth.
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