Drs. Lasher and Harriman at Dental One Associates of Waldorf
3500 Old Washington Road, Suite 301, Waldorf, MD 20602

Besi Tong, DMD, MSD  Orthodontist

Annapolis_Frederick_Westminster Besi Tong DMD MSD 8x10

Dr. Tong grew up in the Northern Virginia area and completed his undergraduate studies at the University of Virginia where he earned his Bachelor’s degree in Biology. He then moved to Philadelphia, PA to attend Temple University Maurice H. Kornberg School of Dentistry where we was inducted into the Omicron Kappa Upsilon National Dental Society and graduated summa cum laude with his Doctor of Dental Medicine degree. Dr. Tong continued his dental education, earning his certificate in Orthodontics and Master of Science in Dentistry degree, from the University of Colorado School of Dental Medicine.

Dr. Tong loves serving the community. He has volunteered his time to both Give Kids A Smile Day and Mission of Mercy – providing free dental care for the underserved population.

Read What Our Patients Say
Patient Reviews
Dr. Lasher id the best. The hygienists are great too.
Lauren M.
This is the best office I have ever been to. Been going to Dr. LAsher for 25 yrs.
Melanie S.
I like the staff and professional services they provide.
Katherine H.
Dr. Lasher is the reason I have been a patient for many years. He is an exceptional dentist.
Helen G.
I love robin and Dr. Mike. They have taken care of me for years. They both are very professional and truly caring individuals. If there are any problems, they explain it to you so that you can […]
Susan B.
My entire family has visited your office over the years. Without question or concern, the entire staff has always treated us with dignity, respect, and seen to our individual treatments in a timely […]
Michael R.
We enjoyed the new Dr. Berry on staff.. I was very appreciative that he was and is able to take care of my sons’ dental needs.
Denise S.
Excellent care always
Stewart H.
Staff was great
Kisha T.
I received outstanding work and excellent customer service from Dental One Associates. They certainly improved the appearance of my smile!
Danny M.
Overall excellence in all services
Michael G.
I’ve been going to Dental One all of my life. Donna, my hygienist, is the absolute best at her job. My teeth feel great after a check-up! She is extremely thorough and detailed, and most […]
Jordan A.
Treatment n customer service
Monee K.
Their immediate attention to my emergency
Sheaya T.
Friendliness and time spent for appt.
Joyce B.
Excellent, timely, friendly service; appointment was shorter that expected.
Michael G.
Always having a great experience here.
Demetria H.
I have been a client/ patient here for nearly 20 years. Very friendly dentist and staff!
Robert T.
Great Service.
Paul J.
I’ve been getting my dental care there for a long time.
Mark H.
Office Hours
Mon. – 9:00 AM - 5:00 PM
Tue. – 9:00 AM - 6:00 PM
Wed. – 8:00 AM - 6:00 PM
Thu. – 8:00 AM - 5:00 PM
Fri. – 8:00 AM - 2:00 PM
Sat. – 8:30 AM - 2:00 PM
Sun. – Closed

1 Saturday per month

Phone: (301) 861-0665
Fax: (301) 843-4070
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We accept most insurance plans and will be happy to help you understand the coverage that you have. We will do our best to see that you receive your maximum insurance benefits for all covered services.

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For appointments, call us at: (301) 861-0665 or
Request an Appointment
For appointments, call: (301) 861-0665
Office Hours
  • Monday 9:00 AM - 5:00 PM
  • Tuesday 9:00 AM - 6:00 PM
  • Wednesday 8:00 AM - 6:00 PM
  • Thursday 8:00 AM - 5:00 PM
  • Friday 8:00 AM - 2:00 PM
  • Saturday 8:30 AM - 2:00 PM
  • Sunday Closed
Get in touch:
  • Phone: (301) 861-0665
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