Lorraine E. Callen, DMD, is a general dentist with AHN Medicine Institute. She is skilled at sedation dentistry for patients with special medical needs. Dr. Callen also does nitrous in-office sedation and has operating room privileges. Dr. Callen went to medical school at University of Pittsburgh School of Dental Medicine in Pittsburgh, Pennsylvania. She did her general practice residency at Allegheny General Hospital in Pittsburgh, Pennsylvania. Dr. Callen is affiliated with the Special Care Dentistry Association. She believes in access to care for all patients and particularly the underserved populations. Dr. Callen sees patients of all ages.