Dr. Lans has been providing outstanding dental services to the Northern Virginia area since 1978. He earned his Bachelor of Science in Biology from Queens College of the City University of New York in 1973 before going on to earn his Doctor of Dental Surgery degree from Howard University in 1977.

In order to stay up-to-date on the latest advancements in the field of dentistry, Dr. Lans maintains active membership in numerous prestigious professional organizations such as the Academy of General Dentistry, the Virginia Academy of General Dentistry, the American Academy of Cosmetic Dentistry, the Academy of Sports Dentistry and the Crown Council, an alliance of leading-edge dental teams throughout North America.

Dr. Lans is actively involved in various volunteer organizations. He is a partner in “Smiles For Life,” a foundation that helps raise money for severely ill and needy children. He performs annual mouth exams and oral screening at local elementary schools, and he and his staff wrote, produced and directed a dental prevention play called “BE A STAR AT WAR AGAINST CAVITIES” which they performed at numerous elementary schools and hospitals throughout the Northern Virginia area.

Dr. Lans has been voted one of Northern Virginia’s Top Dentists by both patient and peer surveys!



drpropoggioDr. Propoggio grew up in Pittsburgh, Pennsylvania and graduated from Allegheny College (Meadville, PA) with a degree in Biology and Theatre Arts. Dr. Propoggio received her Doctorate in Dental Medicine from the University of Pennsylvania in Philadelphia, PA. Concurrently, she received her Masters in Science Education from the University of Pennsylvania Graduate School of Education. Following graduation, Dr. Propoggio completed a one-year post-graduate residence program at Allegheny General Hospital (West Penn Allegheny Health System) in Pittsburgh, Pennsylvania.

Dr. Propoggio is an active member of the Academy of Cosmetic Dentistry, the Academy of Laser Dentistry, the Academy of General Dentistry and the Academy of Microscope Dentistry. Dr. Propoggio is persistent in furthering her dental education and believes that continuing education is paramount to providing quality dental treatment. Dr. Propoggio has received a significant amount of post-graduate training at the Dawson Center for Dental Studies. She has also achieved certification in laser dentistry through the Academy of Laser Dentistry (ALD).

Dr. Propoggio enjoys all aspects of general dentistry and strives to always produce beautiful dentistry that is functionally correct. The greatest personal reward she receives in her profession comes from the many underprivileged patients who she treats at the Loudoun Adult Dental Clinic on Tuesday nights and in her own office. Dr. Propoggio serves on a planning committee and hopes to see a full-service adult dental clinic become a reality in Loudoun County. Dr. Propoggio also volunteers her care to patients from the Ruritan Charities.

Dr. Propoggio is married and the mother of twin daughters. She enjoys being a member of the Loudoun/Fairfax Mothers of Multiples organization. Dr. Propoggio is a member of the Kennedy Center and enjoys the performing arts. She also likes to swim, travel, read, exercise and cook.




Dr. Saadulla, originally from Fairfax, Virginia, earned his degree from Howard University College of Dentistry in Washington D.C.  and completed his general practice residency in New York City at Brookdale University Hospital. Serving a wide and diverse population, his hospital-based training included complex and unique cases involving surgeries, trauma, and infection.Dr. Saadulla practices general dentistry and devotes himself to all phases of cosmetic and functional dentistry including root canals, full- mouth restorations, and surgical extractions.  

Following his belief in giving back to the community and the underserved, Dr. Saadulla has participated in mission trips to Jamaica and has provided relief at US Veteran clinics. He is passionate in providing and advocating for preventive dentistry and healthy dental hygiene practices. Dentistry has evolved globally, and he takes pride in keeping up to date with the latest evidence based practices and technologies.

Coming full circle, he is committed to providing tailored care by bringing years of clinical experience to our practice. His philosophy prioritizes patient comfort, open communication, and clinical techniques and protocols that are delivered with precision.

Outside of dentistry, Dr. Saadulla is a theme park aficionado. You might run into him at Disney World which is his favorite! He will be the first to tell you that it was worth waiting four hours for the Avatar Flight of Passage ride in Pandora at the Animal Kingdom theme park!




Dr. Kim is a Board Certified Orthodontist who grew up in nearby Oakton. Improving smiles and bringing confidence to kids, teens, and adults gives him great satisfaction and joy! He is happily married and has a dog named Mochi. In his free time, Dr. Kim enjoys traveling, snowboarding, taking wedding cinematography and event photography.



  • Certificate in Orthodontics and MS in Biomedical Science – University of Maryland, School of Dentistry – Baltimore, MD
  • DDS – University of Maryland, School of Dentistry – Baltimore, MD
  • BA in Biology – University of Virginia – Charlottesville, VA


  • American Board of Orthodontics
  • American Association of Orthodontists
  • Maryland State Society of Orthodontists • Middle Atlantic Society of Orthodontists
  • Omicron Kappa Upsilon National Honor Society
  • Ferdinand J.S. Gorgas Odontological Honor Society

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As a patient one gets the feeling of being in competent hands and receiving expert advice concerning dental needs. They are so professional.

Betty W.

I love this dentist! They are up to date with all the latest technology. And they give you goodie bags after every visit, which includes floss, toothbrush, chapstick, etc.

Lambrini D.

The staff and dentists are very courteous and kind. I’ve had all three of my children there for various work including cleanings, fillings and even an extraction. They are so good.

Leono O.

We listen carefully to your concerns and conduct a thorough, comprehensive examination while taking the time to give you the personal attention you deserve.