Our Office and Dentists


Mansfield CT Dental 10 Higgins Highway, Suite 1, Mansfield Center, CT 06250

(860) 456-2906


Dr. Marc Czarnowski

Dr. Marc Czarnowski graduated Suma Cum Laude from UConn in 1978 where he was inducted into Phi Kappa Phi and Phi Beta Kappa.

He attended the University of Pennsylvania School of Dental Medicine, graduating 7th in his class and received the Henry B. Robinson Award in restorative dentistry for the student with the highest clinical skills and the

 Adrian Kristeller award in Radiology.

Dr. Czarnowski completed his dental residency at Hartford Hospital. He has been an attending at HH, teaching  dental residents since 1986.

He is active in the Columbia Lions Club and has 

been president of the club three times. 

Dr. Czarnowski was voted "Best Dentist" by the Chronicle Newspaper in 2019.

 Dr. Czarnowski lives in Columbia with his wife. He has three grown children and soon to have a daughter in law.


Dr. Bob Rosner

Dr. Bob Rosner graduated from Ohio State University with a Bachelor of Science degree in Biology. He was inducted into Helix, 

the biological sciences honor society.

He attended the University of Pennsylvania  School of Dental Medicine and received a dual degree.  He graduated in 1982 with his DMD and MS (Master of Education). He received an award from the Louis I. Grossman Endodontic (root canal treatment) Society for his contributions in research.

Dr. Rosner completed a post-graduate dental residency at Danbury Hosptial, affiliated with Yale University School of Medicine.

He was selected as on of America's Top Dentists in 2010 by 

the Consumers Research Council of America.

Dr. Rosner and his wife have three grown sons, two daughter in laws, and a granddaughter.