How to Get a Younger-Looking Smile

Tooth enamel wears away over time, exposing yellow beneath and making your smile gummy and more prone to stains. Here are a few simple ways to restore it to Julia Roberts-style wattage.

Credit: Corbis

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These thin shells ($1,200 to $2,000 each) cover the front of teeth, masking stains, chips, or slight crookedness.

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