Meet Dr. Corina Radu


  • D.M.D. University of Pennsylvania, Philadelphia, 1999
  • Certificate in Orthodontics Children’s National Medical Center/George Washington University, Washington, D.C., 2001
  • Diplomate, American Board of Orthodontics 2002-2022


  • American Association of Orthodontists
  • Midwestern Society of Orthodontists
  • Illinois Society of Orthodontists

At Premier Orthodontics & Dental Specialists, our orthodontic specialist, Dr. Corina Radu, is committed to helping her patients with all their orthodontic needs. Dr. Radu is proud to offer free consultations for patients of all ages, with many orthodontic treatment options, individualized to everyone’s lifestyle and needs.

Born, raised and college educated in Europe-Romania, Dr. Radu won a diversity visa lottery in 1995 and with it, the right to legally immigrate to the US. She served her new country as a dentist and captain in the US Army Reserves from 2001-2004 and again as an orthodontist contractor in Germany between 2015 and 2016 during a working sabbatical. Upon her return, she decided to branch into a specialty clinic and add another specialist to her practice, providing periodontal services.

An open-minded clinician, Dr. Radu is committed to providing outstanding service for her patients and is always incorporating new techniques. Dr. Radu attends numerous orthodontic education courses and limits her practice to orthodontics exclusively. She is a Certified Provider for Invisalign®, Invisalign Teen and Clear Correct. Dr. Radu enjoys treating complex interdisciplinary cases such as combined orthodontics with jaw surgery and “Wilckodontics” (periodontally accelerated orthodontics) and incorporates routinely laser procedures and mini-implants that facilitate faster and more predictable orthodontic treatment results.

In her spare time, Dr. Radu takes great pride in taking care of her patients and her three children, Julia, Alex and Johnny.

Meet Dr. Simona Katona


  • Diplomate, American Board of Periodontology
  • Doctorate of Dental Surgery, University of Illinois at Chicago
  • Specialty Certification in Periodontics, University of Illinois at Chicago


  • American Academy of Periodontology
  • Chicago Dental Society
  • International Academy of Ceramic Implantology

Our periodontics specialist, Dr. Simona Katona, attended the International Dentist Program at the University of Illinois at Chicago, where she received her Doctorate of Dental Surgery. Following dental school, Dr. Katona spent four years training in the post-graduate periodontics program at the University of Illinois at Chicago (UIC) where she served as Chief Resident and was awarded a Specialty Certification in Periodontics.

Dr. Katona has obtained the highest recognition for a specialist in the field of Periodontology by becoming a Diplomate of the American Board of Periodontology, a distinction held by less than one-third of all practicing Periodontists. She is a Board Certified Periodontist and is currently involved in the following dental organizations: American Academy of Periodontology , Chicago Dental SocietyInternational Academy of Ceramic Implantology. Dr Katona continues to teach as adjunct lecturer in the Department of Periodontics at UIC.

Dr. Katona keeps up with the latest advances in periodontology and dental implant therapy by attending the annual congress of the American Academy of Periodontology and continuing education trainings with the world’s top experts in the field. Dr Katona enjoys treating all aspects of periodontal disease, periodontal plastic surgery, hard and soft tissue regeneration, and implant dentistry. She is committed to providing excellent patient care and strives to achieve an optimum oral health and well being for her patients.

Meet Dr. Samer Elbatanouny


  • Doctoral Degree of Surgery from University of Illinois at Chicago
  • Masters of Healthcare Administration Degree
  • Bachelor in Dental Sciences at the Faculty of Oral and Dental Medicine, Cairo University

Professional Affiliations:

  • Fellow, Academy of General Dentistry
  • American Dental Society of Anesthesiology

Our sedation specialist, Dr. Sam, has gone through extensive training in Dental Implants education to earn his Fellowship of the American Dental Implant Association followed by a Mastership in the International Dental Implant Association which only includes the top 2% of Implantologists in the country placing and restoring implants.

Along with his Dental Implant education, Dr. Sam has worked two years in an Oral Surgery office where he has gained ample knowledge and experience to efficiently take out wisdom teeth and perform difficult extractions with minimal discomfort and post-surgical complications. To maximize his patients’ comfort level while going through these difficult procedures, Dr. Sam logged hundreds of hours of training to get certified in safe Oral and IV Sedation procedures. He is currently an active member of The American Dental Society of Anesthesiology and is helping patients attain better oral health in the states of Illinois, Indiana and Wisconsin.

Dr. Sam continues to go above and beyond, taking thousands of continuing education courses so that he can always be at the cutting edge of dental knowledge and get you the best treatment options available. Dr. Sam knows how hard it is to go to the dentist and get your surgical treatment done so he strives every day to give all his patients the best and most up to date treatment in the most comforting manner possible.

Above all else, Dr Sam is a loving father to his two sons and when he is not helping you during office hours, he is spending quality time with them. He is very passionate about traveling the globe and is eager to learn about different cultures and hopes to discover the world’s diversity.

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