A method of forming an electrochemical test sensor includes providing a base. A disclosed example method comprises: determining if collect calls from one or more predetermined locations to a terminating phone number have exceeded a collect calls limit; and determining a future date when collect calls will be permitted from the one or more predetermined locations to the terminating phone number if the collect calls limit has been exceeded. Preferably, the compositions further comprise one or a mixture of other oral care agents selected from a water soluble alkali metal or ammonium tripolyphosphate in an amount at least about 0.