Dr. Nancy Khalaf San Francisco's best dentist and awesome staff believe that beautiful, healthy smiles should last a lifetime. Early prevention-oriented treatment, regular check-ups and cleanings are the best way to minimize oral problems and your long term unforeseen expenses. Let our staff show you how cosmetic gum recontouring gum therapy can improve your smile Nancy Khalaf, D.D.S. is a San Francisco family dentist dedicated to excellence in cosmetic and general dentistry. Located in the heart of San Francisco, California, Bay SF Dental serves patients throughout the Sunset District and Sausalito, Daly City, Bulingame, Colma, and San Mateo, as well as Marin, Mill Valley, and South San Francisco. Dr. Nancy Khalaf and dental staff strive to give all patients a healthy mouth, teeth and gums; and the confidence to smile.