John, Yu DDS/DMDAttending PhysicianEndodontics Endodontics Education: Columbia University College of Dental MedicineMain Office:626-678-0167 EndoCare Center 416 W Las Tunas Dr #203 San Gabriel, CA 91776 Clinic Intersts:root canal therapy, retreatment, endodontic surgery (apicoectomy, root resection, hemisection), cracked teeth & traumatic dental injuries. Additional Office: 18 Endeavor Suite 106 Irvine, CA 92618 (949) 478-3636.