Supreme Court drills dentists in teeth-bleaching dispute

The Supreme Court ruled Wednesday that a state regulatory board made up mostly of dentists violated federal law against unfair competition when it tried to prevent lower-cost competitors in other fields from offering teeth-whitening services. By a 6-3 vote, the justices rejected arguments from the North Carolina State Board of Dental Examiners that it was acting in the best interests of consumers when it pressured nondentists to get out of the lucrative trade in teeth-whitening services.

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