Doreen Toskos, DMD, received her DMD degree from Harvard University in Boston, Massachusetts, following her undergraduate studies at Cornell University. She completed a two-year postgraduate residency in endodontics at Columbia University and has practiced on Long Island. She has lectured for general dentists and the New York Dental Association and is actively involved in continuing education. Dr. Toskos is an attending endodontist for the general practice and pediatric residency programs at Brookdale Hospital.