Chewing ice can cause cracks in the enamel, called craze lines, that can spread, eventually fracturing the tooth. It can also chip or break teeth that are particularly vulnerable, experts said.
Is it true that chewing ice is bad for your teeth? Biting fingernails, gnawing on pen caps and pencil erasers or chewing ice may be your way to deal with boredom or relieve stress, but oral health ...