Meet Our Doctors

Springfield Endodontics is a patient-centered specialty practice with a mission of excellence in promoting, providing and preserving dental health through endodontic treatment.

Dr. Francine Trzeciak Cwyk


Dr. Francine Trzeciak Cwyk is a life long resident of Delaware County. She is a 1974 graduate of Ridley High School and received her BS degree in 1978 from Ursinus College. Dr. Cwyk received her dental degree from the University of Pennsylvania School of Dental Medicine in 1982 as well as her advanced endodontic certificate in 1984. She has practiced at Endodontic Associates for over 25 years. Dr. Cwyk is a member of the American Association of Endodontists, The American Dental Society, The Pennsylvania Dental Society, and the Grossman Endodontic Study Club. She is also a member of the Dental Society of Chester County and Delaware County where Dr. Cwyk served as president from 1997-1998. Dr. Cwyk has received honors and membership by the Pierre Fauchard Academy and the International College of Dentists. Dr. Cwyk has been consistently named one of the Top Endodontists by Main Line Today magazine. Dr Cwyk served as Associate Clinical Professor of Endodontics from 1984-1991 at the University Of Pennsylvania School Of Dental Medicine. She resides in Delaware County with her husband and two daughters. She enjoys gardening, travel, swimming and snow skiing.

Dr. Ruoxue Snow Feng


Dr. Snow Feng is a lifelong resident of Philadelphia County. She received her BS degree from the Pennsylvania State University. Dr. Feng received her dental degree from the University of Pennsylvania School of Dental Medicine. Following her graduation, she gained additional advanced dental training at Penn State Health St. Joseph in Reading and also worked at private dental groups in the greater Philadelphia region.


Dr. Feng joined the Graduate Specialty Program in Endodontology at Temple University Maurice H. Kornberg School of Dentistry and received her certificate in Endodontics. Shortly after she worked at Temple University as a Clinical Instructor running the Emergency Endodontic Clinic and obtained a certificate for Management of Trauma and Emergency Endodontics. Dr. Feng is on track in becoming a Diplomate of the American Board of Endodontics. 


Outside of the clinical practice, Dr. Feng spends her time with her family and friends, keeping up with current and past events, listening to music, traveling, hiking, watching Netflix and enjoy being in nature.  Dr. Feng is fluent is Mandarin and Japanese.   


We are beyond enthusiastic about her being part of our endodontic team.  Patients will love her chairside manner, precise and efficient treatments. Welcome Dr. Feng!

Proud of Our Reviews:


Proud Members of:


1050 Baltimore Pike
Springfield, PA 19064
(610) 543-2288
Website Designed by