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Thank you for your interest in Endodontics, P.A.,a dental practice limited exclusively to non-surgical and surgical endodontic care (root canal treatment). All of our doctors are trained to provide the highest level of endodontic treatment in a caring and comforting environment. We are specialist members of the American Association of Endodontics. We have completed four years of undergraduate college education, four years of dental school and an additional two years in an endodontic specialty residency program.


In addition to our conscientious doctors, our auxiliary staff have many years of experience in an endodontic environment, making your visit a more pleasant and enjoyable one. Many patients are surprised at how easy endodontic treatment can be.

Our office adheres to rigorous standards of infection control advocated by state and federal agencies, the Centers for Disease Control and the American Dental Association. We utilize autoclave and barrier techniques to eliminate any risk of infection, so you can be sure your visit will be as safe and effective as possible.


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Originally from Pittsburgh, Charles Mann, D.M.D., was a biology major at Kenyon College in Gambier, Ohio. He successfully completed his bachelor of arts degree from Kenyon in 1980. Dr. Mann received his dental degree in 1984 from Temple University Dental School and completed his endodontic residency at Temple in 1986. Dr. Mann is a diplomat of the American Board of Endodontics and has since been voted one of Baltimore's best dentists by Baltimore Magazine. He has lectured internationally on effective endodontic techniques and spoken nationally on various subjects related to the discipline of endodontics. Dr. Mann is the founder and senior partner of Endodontics PA. In his spare time, he enjoys exploring the outdoors through skiing, biking, and kayaking with his wife and three grown daughters.

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After moving to Baltimore from the South Shore of Long Island in 1986 to attend the Johns Hopkins University, Dr. Herbert realized he had found his new home. After graduating from JHU, he attended the University of Maryland, Baltimore College of Dental Surgery, graduating with honors in 1995. He discovered his love of endodontics while in dental school and promptly moved to Chicago to complete an Endodontic Residency at the University of Illinois, graduating in 1997. Dr. Herbert and his wife moved back to the Baltimore region after residency and joined Endodontics, PA. in the fall of 1997 as an associate. He is now proud to be a partner in the same state-of-the-art, multi-office specialty practice. Dr. Herbert has completed well over 20,000 root canal procedures and is consistently voted "Best Endodontist” by his peers in Baltimore and Annapolis. He currently resides in Howard County with his wife and two very busy children. In his free time, he enjoys golfing, exercising, and traveling.

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Dr. Gerard “Joe” Simoneaux, a native of New Orleans, LA, attendedLouisiana State University and received his Bachelors of Science degree inBiology in 1997. He continued his education at Louisiana State UniversitySchool of Dentistry in New Orleans where he was awarded a dental degree(DDS) in 2001. Dr. Simoneaux then moved to Philadelphia, PA and completed his two-year specialty training in Endodontics at TempleUniversity School of Dentistry, where he received a certificate of Endodontics in 2003.

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Dr. Sukumar Balachandran was born in India and is now an American citizen. He received his Dental Degree from Temple University, Philadelphia. He completed his Endodontic training at Columbia University, New York in 1994. Dr. Balachandran lectured in the specialty of Endodontics at Temple University for four years before joining Endodontics, PA. in 1998. When not practicing dentistry, Dr. Balachandran enjoys hiking, photography and travel.

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Dr. Mireku was born in New York and raised in New Jersey. She attended the University of Michigan, Ann Arbor for both her undergraduate studies and dental education. There she earned her BS in Biopsychology and DDS, respectively. After dental school , she moved to Maryland and attended the University of Maryland School of Dentistry where she completed an Advanced General Dental Residency in 2005, earned her certification in Endodontics in 2007, and Masters in Biomedical Science in 2008. She is a member of the American Association of Endodontics, ADA, Maryland State Dental Association, and Edward Pennick and Greater Chesapeake Study Clubs. In her free time, Dr. Mireku enjoys spending time with her family, boot camp classes, playing the violin, participating in church activities, and travelling.

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Dr. Manda graduated dental school from Boston University, Goldman  School of Dental Medicine in 2008 and specialized in Endodontics at  Temple University, Kronberg School of Dentistry, graduating in 2013. He  practiced as a general dentist for three years before pursuing a career in  endodontics. Since 2008 Dr. Manda has been serving in the U.S. Army Reserve as a dentist, and was deployed to Kuwait on active duty in 2013.  For two weeks every summer, he volunteers his time to dental missions on Native American reservations and other places where dental care is inaccessible. Dr. Manda currently resides in Anne Arundel County with his wife and young  daughter. In his free time he likes to read, watch sports and enjoys movies.

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Dr. Gardyn was born and raised in Baltimore. He graduated Magna cum laude from the University of Maryland School of Dentistry where he was awarded the American Association of Endodontists award for student achievement. Dr. Gardyn then moved to Ft. Lauderdale where he completed a 2-year residency specializing in the field of endodontics. After completion of his training in 2015 he moved with his family back home to Baltimore. He became a Diplomate of the American Board of Endodontics in 2019 and was awarded "Top Dentist" by Baltimore Magazine in 2021. Dr. Gardyn incorporates the latest technologies into his treatment including the dental operating microscope, which allows for a minimally invasive approach to your root canal treatment.  Dr. Gardyn enjoys swimming and spending time with his wife and three young children, Ella, Zach and Nate.



Dr. Rampulla, a native of Cleveland, Ohio, graduated cum laude from the University of Denver in 1987 with a Bachelors of Arts in Biology. She proceeded to The Ohio State University College of Dentistry and received her D.D.S. and M.S. in Microbiology (dual degree) in 1991, graduating with honors. Dr. Rampulla practiced general dentistry for five years, including serving in the United States Air Force before pursuing a career in endodontics. In 1998, Dr. Rampulla completed her Endodontic Residency at The Ohio State University and graduated with an M.S. in Dentistry. She continued her career with the Air Force, which culminated as Chief of Endodontics at Yokota Air Base, Japan. Dr. Rampulla joined Endodontics, P.A. in January 2006, after her husband was assigned to Andrews AFB, Maryland. The Rampulla family loved Maryland and decided to permanently reside in Anne Arundel County with their two children. Dr. Rampulla is a member of the American Association of Endodontics, American Dental Association, Maryland State Dental Association, and Anne Arundel County Dental Society. In her spare time, she enjoys running, spending time with her family, and traveling.

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