Endodontics in Dublin, Fremont & Castro Valley, California – Dr. William Cliff, Dr. G. Robert Hsu, & Dr. June Chang are specialist members of the American Association of Endodontists. They specialize in endodontic procedures including: root canal therapy, root canal retreatment, apicoectomy, cracked teeth and traumatic oral injuries. Please don't hesitate to contact Mission Hills Endodontics at our Dublin Office (925) 829 - 5711 or at our Fremont (510) 794 - 6600 and Castro Valley (510) 581-6600 offices.