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Best Endodontist for Bethesda, Rockville, Potomac, Gaithersburg, Silver Spring


Dr. Joseph Son

Welcome to our office

Thank you for choosing Capital Endodontics & Microsurgical Center, the specialty office of Dr. Joseph Son.  We are dedicated to providing exceptional care in a comfortable environment utilizing state-of-the-art technology. 

Our mission is to do everything possible to provide you with a positive experience in our office and serve you with the highest quality of endodontic care obtainable.  

Practice Profile

At the endodontic practice of Dr. Joseph Son, we utilize the latest technology to provide you with the best care.  Technology such as the surgical microscope, CT scan, digital radiographs, ultrasonics and laser technology are just some of the tools that we use to manage your problem.

Our focus is on flawless service, attention to detail, and genuine concern for our patients.While a trip to the dentist for a root canal is never something that a patient looks forward to, we  hope that with caring attention to detail we can make the process as easy as possible.  Our entire staff is fully committed to this goal.

Maintaining our reputation for excellence is extremely important to us. We welcome any feedback from you about your time with us and what we can do to make your visit the best that it can be.

Capital Endodontics is also proud to announce the addition of EdgePRO Laser-Assisted icrofluidic Irrigation Device from BIOLACE and EdgeEndo.  EdgePRO provides outstanding cleaning, debridement and disinfection by removing infected tissue, biofilm and smear layer killing up to 99% of bacteria commonly found in the root canal using Er,CR:YSGG 2780 Nam wavelength laser technology.  In addition to the excellent clinical skills of Dr. Joseph Son and Dr. Constance Wentworth, this state-of-the-art technology should give you the confidence you need having the endodontic treatment done at Capital Endodontics and Microsurgical Center. 

Dr. Joseph Son

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

Dr. Constance Wentworth

Dr. Constance Wentworth grew up in Potomac, Maryland and graduated from Winston Churchill High School. She attended the University of Maryland, College Park and graduated with a degree in biochemistry. She then went on to receive her dental degree at the University of Pennsylvania School of Dental Medicine, where she graduated with Clinical Honors. After dental school, she completed a General Practice Residency at Montefiore Medical Center. She continued her postdoctoral training and received her Endodontic Certificate at the University at Buffalo School of Dental Medicine.

Dr. Wentworth is a Diplomate of the American Board of Endodontics and a member of the American Dental Association and American Association of Endodontists. She is dedicated to lifelong learning and providing her patients comfortable endodontic therapy

Dr. Wentworth has been in private practice since 2014.  She has recently moved back to her hometown with her husband and daughter.  Dr. Wentworth’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.  She is thrilled to return home to the Potomac area and to be a part of Capital Endodontics.