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.

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This procedure affixes either porcelain or a type of plastic called composite resin to a chipped tooth, filling it back out. Cost: about $1,000 per tooth.

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