The brief descriptions below are designed to familiarize you with our staff's training, professional credentials and work experience.


Alessandra Ritter, D.D.S., M.S.Chapel Hill, NC Endodontist - Alessandra Ritter, DDS, MS

Dr. Alessandra Ritter is an experienced dentist with many years of training and practice in the specialized field of Endodontics.  Dr. Ritter’s initial dental training was completed in Brazil, where she received a dental degree (C.D.) and a Certificate in Endodontics from the Federal University of Santa Catarina in Florianópolis.  After practicing dentistry for 10 years, Dr. Ritter moved to North Carolina with her husband and their two children in 1997.  In Chapel Hill, she completed many years of additional training, and received a D.D.S. degree, a M.S. in Endodontics, and a Certificate in Endodontics from the University of North Carolina at Chapel Hill (UNC).  While in training at UNC, Dr. Ritter won a prestigious First Place Graduate Student Poster Research Presentation at the annual session of the American Association of Endodontists for her research on “Pulp Revascularization of Immature Teeth following Dental Trauma.”

Before opening her private practice in Chapel Hill, Dr. Ritter taught at UNC as a Visiting Professor and as a Clinical Assistant Professor in the Department of Endodontics, and practiced Endodontics at the UNC Dental Faculty Practice.  Dr. Ritter is a member of several professional organizations, including the American Dental Association, The North Carolina Dental Society, Tar Heel Endodontics, and the American Association of Endodontists.  She is also a member of the Carolina Alumni Association.

Dr. Ritter has  two children, João “John” Victor and Juliana, and lives in Chapel Hill, NC.


MandyChapel Hill, NC Endodontist - Alessandra Ritter, DDS, MS

Mandy joined our office in August 2016 as our Administrative Specialist. She has previous experience in the medical field, but is so happy and excited she has switched to dental. She earned her degree in Medical Office Administration from Alamance Community College in Graham, NC.

She lives in Hillsborough with her husband, Luke, and their 3 dogs. She loves art and anything related to the outdoors. She enjoys arts and crafts, painting, taking pictures, hunting, fishing, and doing anything outdoors with her wonderful family.


MarieMarie Roberts

Marie is from Chapel Hill and the Office Manager for our practice. She brings over 30 years of experience in the dental profession as an administrative manager. She received a Certificate in the University Management Development Program in 2002 from the University of North Carolina Training and Development Program. Before joining Ritter Endodontics she worked at the UNC School of Dentistry where she first met Dr. Ritter.



Tina graduated from Wake Technical Community College in 2014 as a Certified DAII. She is our lead dental assistant and has been with Ritter Endodontics since 2015. Tina is knowledgeable in various fields of dentistry. She enjoys interacting with the patients and easing their fears about root canals. Tina has always had a love for dentistry and meeting new people. In her spare time she enjoys cooking, baking, and all things arts and crafts. On the weekends she and her husband are busy entertaining their son with soccer, park-hopping, and playdates. Tina has been a great asset to the practice and we enjoy the laughter she brings to the office.



Becca received her dental assisting training at the Advantage Career Institute Medical and Dental School in Eatontown, New Jersey in 2016. She is originally from Texas but relocated to New Jersey before moving to North Carolina in 2017. Becca served in the U. S. Navy Reserves for 3 years and knows the benefits of hard work. She is great with our patients and very knowledgeable in the dental field. She strives for excellence in patient care. Becca has been with Ritter Endodontics since June 2017. She is married and has two sons and they reside in Cary, NC with their 1 dog and 2 cats. In her free time she enjoys reading, bonfires, and anything to do with being outdoors. She is a very handy lady and is always working on things in and around her home.