Dental lasers might reduce need for anesthetic

05/1/2013 | Wall Street Journal, The

Using a laser instead of a drill to cut away decayed tooth material may reduce or eliminate the need to use anesthetic, and at least one company says lasers are less likely than drills to create microfractures in teeth. However, no long-term studies have shown that using a laser is better for teeth than using a drill, and many dentists are reluctant to invest in the new tools.

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