Dr Bittner is an Assistant Professor Clinical Dentistry for the Division of Prosthodontics at Columbia University's College of Dental Medicine. She is also the Director of Postgraduate Prosthodontics. She received her dental degree in Caracas, Venezuela at the Central University of Venezuela and completed a Master Program in Prosthodontics at Columbia University College of Dental Medicine. She also received a Doctor in Dental Surgery degree at Columbia University. She is a Diplomate of the American College of Prosthodontics. 

Dr Bittner specializes in implant, esthetic and reconstructive dentistry. She has received multiple research grants and has authored scientific papers in the area of prosthodontics. She lectures locally and nationally in different topics related to prosthodontics.