The color(s) Blue is/are claimed as a feature of the mark.
The mark consists of A stylized letters and numbers of mnemonic for phone number 1.833 684 7879 in dark blue color which translates to 1.8 DENTISTRY on line one and stylized actual toll free vanity phone number 1.833 684 7879 in line two in lighter blue color. Together these two lines form the stylized mark.
ONE-EIGHT DENTISTRY ONE-EIGHT THREE THREE SIX EIGHT FOUR SEVEN EIGHT SEVEN NINE