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Todays braces are generally less noticeable than those of the past when a metal band with a bracket (the part of the braces that hold the wire) was placed around each tooth. Now the front teeth typically have only the bracket bonded directly to the tooth, minimizing the "tin grin." Brackets can be metal or clear, depending on the patients preference. Modern wires are also less noticeable than earlier ones. Some of todays wires are made of "space age" metals and exert a steady, gentle pressure on the teeth, so that the tooth-moving process may be faster and more comfortable for patients. A type of clear orthodontic wire is currently in experimental stages.
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