Surface Stains—Extrinsic Discoloration: Signs You May Not Need a Dentist Visit Surface stains, also called extrinsic tooth discoloration, are deposits that collect on the outer enamel rather than changes inside
Surface Stains—Extrinsic Discoloration: Signs You May Not Need a Dentist Visit Surface stains, also called extrinsic tooth discoloration, are deposits that collect on the outer enamel rather than changes inside