For many years, the silver-mercury amalgam was a common filling material used by dentists and many practices still use it. While they represent a reasonable restoration, amalgams have certain shortcomings. Metal doesn't bond well to teeth, so decay can and does eventually leak into the tooth.However the main reason patients choose the white fillings has to do with the way they look. Most people just don’t want an ugly black plug in their teeth. Nowadays, these state-of-the-art restorations are a natural-looking white, contain no metals, and can actually strengthen teeth. They also bond very tightly with the healthy part of the tooth so there is much less chance of decay in the future.
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