About Our Doctors

Dr. Marc P. Gimbel

Diplomate, American Board of Endodontics
President Tri – County Dental Association 2014-2015

Dr. Marc PDr. Gimbel is a highly respected member of the dental community who was inducted into the College of Diplomates of the American Board of Endodontics in 2010. Currently a clinical assistant professor at the Rutgers School of Dental Medicine where he teaches at the Post-Graduate level. Dr. Gimbel has been pursuing the study of dentistry and endodontics since 1988.

Upon graduating with a bachelor’s degree in Biology/Chemistry from the State University of New York at Albany, Dr. Gimbel attended the University of Pennsylvania School Of Dental Medicine. After earning his doctorate in 1988, he completed post-graduate education in the field of endodontics at UMDNJ in 1992.

Dr. Gimbel has received various awards throughout his career. Most recently, he was listed among the top dentists of New Jersey in the New Jersey Monthly Magazine for 2017, 2016, 2015, 2014, 2013, 2012, 2011, 2010, 2009 and 2005. He was awarded the Certificate of Merit from the Harvard University Department of Endodontics in 1999 and was invited back to lecture at Harvard University in fall 2014. He serves on the Corporate Relations Committee for the AAE 2016-2019.

Dr. Gimbel currently practices in Montville, New Jersey, where he founded GLC Endodontics.

Professional memberships include:

  • American Dental Association
  • New Jersey Dental Association
  • Tri – County Dental Association
  • American Association of Endodontists
  • College of Diplomates of The American Board of Endodontics

Dr. Craig Berry

Dr. Craig BerryDr. Berry is part of both Montville Endodontics, L.L.C. and Marc P. Gimbel, D.M.D., L.L.C. Dr. Berry graduated on the Dean’s List from UMDNJ/Rutgers School of Dentistry and was one of the top students in the post-graduate endodontic program at the dental school in Newark. He completed his general practice residency at Woodhull Medical Center in Brooklyn where he received advanced training in oral surgery and restorative dentistry. Dr. Berry has advanced training in the latest microscopic techniques for both root canals and root canal surgery. As an undergraduate, he attended Yeshiva University, graduating Cum Laude. He is a Diplomate of the American Board of Endodontics.

Professional memberships include:

  • American Dental Association
  • New Jersey Dental Association
  • American Association of Endodontists
  • College of Diplomates of the American Board of Endodontics

Rena Kreitman, D.M.D.

Rena-KreitmanRena L. Kreitman, DMD, is an Endodontist who completed her post-graduate specialty training at the prestigious Rutgers School of Dental Medicine Postgraduate Endodontics Department. During her residency, Dr. Kreitman was selected to present her research at the 2018 Annual meeting for the American Association of Endodontists. Dr. Kreitman was selected to join Dr. Gimbel at Rutgers School of Dental Medicine, where she will teach Endodontics part time as an Assistant Clinical Professor in the Department of Endodontics.

Prior to specializing in Endodontics, Dr. Kreitman graduated from The University of Medicine and Dentistry of New Jersey. Dr. Kreitman continued her dental education and clinical experience by completing a General Practice Residency at University Hospital in Newark, NJ, where she performed dental procedures for medically compromised patients and those with serious traumatic injuries. Dr. Kreitman is a talented, compassionate, and sensitive provider, making her patients feel comfortable and at ease. She is also fluent in Hebrew.

Professional memberships include:

  • American Dental Association
  • American Association of Endodontists

Dr. Anthony R. Arena

Dr ArenaAnthony Rocco Arena, DMD, MDS is an endodontist who completed his post-graduate specialty training at the Rutgers School of Dental Medicine Endodontics Department. During his residency, Dr. Arena also earned his Masters in Dental Science, defending his thesis entitled, “Factors Related to Completion of Endodontic Therapy in a Postgraduate Clinic,” Through this public health research and during his time in the program, Dr. Arena became known amongst his peers as a leader – his passion for teaching in the undergraduate clinic and mentorship in dental education are exceptional.

Dr. Arena is a proud 2011 graduate of the rigorous magnet high school, the Bergen County Academies. In 2015, he graduated summa cum laude from Ramapo College of New Jersey with a B.S. in Biology. Dr. Arena received his Doctorate of Dental Medicine from the Rutgers School of Dental Medicine in 2018. That year, Dr. Arena received the American Association of Endodontics Student Achievement Award for his interest and commitment to the specialty.

Dr. Arena is a caring, knowledgeable, and dedicated professional committed to the highest quality. He is a proud first-generation Italian-American and is involved in many cultural organizations in the area, including his time as President of the Italian-American Dental Society during dental school. In his spare time, Dr. Arena is an avid soccer enthusiast and enjoys making artisanal pizzas in his backyard with his family and friends.

Professional memberships include:

  • American Association of Endodontists
  • American Dental Association
  • New Jersey Dental Association