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HOUSTON Teeth whitening is very popular, but what do you do about your dark gums?The color has nothing to do with smoking or hygiene, some people just have more pigment than others.

People who are not happy with that, have found an alternative with a new procedure called gum lightening, or gum pigmentation renewal.Dentist Tom Hedge is just one of only two known dentists in the entire nation who performs the procedure.KHOU 11 News Mia Gradney has more.

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