Dr. Bentkover is an Assistant Professor of Endodontics and currently serves as the Director of Microscopic Endodontics at the University of Illinois at Chicago. Dr. Bentkover has been actively practicing in Endodontics with the dental operating microscope since 1991 and is the designer and co-founder of the UIC Endodontic Microscopy Center. He has lectured extensively at the national and international level on all aspects of the Dental Operating Microscope, and is currently guest faculty at the Pacific Endodontic Research Foundation and co-author of the chapter on Endodontic Surgery in the Seventh Edition of Pathways of the Pulp, by Mosby-Yearbook, Inc. Additionaly, Dr. Bentkover has become a Diplomate of the American Board of Endodontics, which is the highest level of certification that can be achieved in the specialty of endodontics. Only a select few endodontists in the Country have accomplished this prestigious level of achievement. Finally, he is also a member of the Chicago Dental Society, Illinois State Dental Society, Illinois Endodontic Society, American Association of Endodontics, and Evanston Association of Dentists.

Dr. Velez is a graduate of the College of Lake County - Grayslake, Illinois, where he graduated with honors. He then received his dental degree from the Universtiy of Illinois - College of Dentistry, where he also received his certificate in Endodontics in 2002. Dr. Velez has been involved in numerous research projects and professional exhibits associated with his specialty. Recently, several of his cases have been published in Pathways of the Pulp Eigth Edition. He has also served as a faculty member at the University of Illinois - College of Dentistry. Dr Velez is a member of the American Dental Association, American Association of Endodontics, Chicago Dental Society, Aiken Dental Society, Augusta Dental Society, Edgar Coolidge Endodontic Study Club, and Evanston Association of Dentists.