01/16/2009 Submitted in the Senate, considered, and agreed to without amendment and with a preamble by Unanimous Consent. (consideration: CR S658-659; text as passed Senate: CR S658-659; text of measure as introduced: CR S656) (All Actions)
Coffee and Tea Effects on Teeth. Coffee and tea are especially tough on teeth, because tannic acid scrapes into the pits and grooves of tooth enamel and can stain teeth. The amount of coffee a person consumes daily does affect the color of their teeth.
by Brenna Stone. Java lovers beware, coffee stains teeth! Drinking dark beverages, such as coffee, black tea and red wine, can lead to discoloration. The outer layer of teeth, known as the enamel, can become stained by the pigments that are found in your morning cup of coffee.