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Endodontist in Bethesda, Rockville, MD, Root Canal Specialist


General Information

Joseph Son, D.D.S.

Dr. Joseph Son received his Bachelor of Science degree in Biology at the University of Michigan in 2000, and received his doctor of dental surgery (DDS) degree from the same university in 2004. Afterwards, Dr. Son completed a General Practice Residency at the Medical University of Ohio in Toledo, Ohio, where he was trained to manage medically compromised patients. Dr. Son then was accepted into the endodontic residency program at the University of Michigan School of Dentistry, where he received his Specialty Certificate in Endodontics.

During his residency, Dr. Son received numerous honors and prestigious awards. He also received numerous awards for his research "VEGF expression in human dental pulp cells by Porphyromonas endodontalis lipopolysaccharide." including winning the first place in the poster research presentation at the American Assocation of Endodontist national conference. Dr. Son also received the Robert Ellision Award and John F. Corcoran Award for his outstanding knowledge of the endodontic literature and in the process of board certification.

Dr. Son founded Capital Endodontics and Microsurgical Center in 2010 in order to provide personalized treatment for his patients with the most up-to-date, cutting-edge technology to ensure the best quality of care in the most comfortable environment.  Dr. Son resides in Rockville, Maryland with his wife Sophia and lovely children Rachel and Daniel.



Deborah Yeh, D.D.S.

Dr. Deborah Yeh is a native of Montgomery County, raised in North Potomac, Maryland. After graduating from Thomas S. Wootton High School, Dr. Yeh attended the University of Pennsylvania, completing her Bachelor’s Degrees in Neuroscience and Music. She then continued her academic studies at the prestigious Columbia University College of Dental Medicine for her dental training. Soon after starting dental school, Dr. Yeh found her passion in endodontics. She went on to pursue a Postgraduate degree in Endodontics at Tufts University in Boston, Massachusetts and recently received her board certification. Dr. Yeh’s priority is always to provide the best quality and comfort for her patients and she practices with the most up to date technology and techniques to help achieve this outcome.  


Dr. Yeh is very energetic and spends much of her time running and exercising.  Since 2010, she has completed over 15 half marathons and 9 full marathons in cities all across the United States, including Philadelphia, New York City, San Francisco, and Los Angeles. When she is not working or running, Dr. Yeh enjoys watching sports, exploring new restaurants, traveling, and playing with her beagle Happy. She is thrilled to return home to the DC area and to be a part of Capital Endodontics.