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
This dental group is A1. The staff are very professional
Money W.
Dr. Lasher is the best dentist! The dental assistant and front desk person were great as well!
Lauren M.
This is the best office I have ever been to. Been going to Dr. LAsher for 25 yrs.
Melanie S.
Because of the professional and courteous service I receive from all the staff member at Dental One Associates.
Kurt D.
I wasn’t scheduled for an appointment but was overdue. I was there with my mother who had an appt. so she checked to see if any were available and there was. I was seen right away and received […]
Dillon C.
Great and pleasant experience! First time going with my 12 year old. Friendly staff. I will make this our permanent dentist office!
SheCooking
I received outstanding work and excellent customer service from Dental One Associates. They certainly improved the appearance of my smile!
Danny M.
Today it was Donna and Dr Mike; however, the entire team is superb. Donna gets the nod for this visit for an outstanding cleaning. Thorough and comfortable is a great combination for a cleaning, and […]
Louis R.
Robin, the dental hygienist, is excellent. She is always on time, friendly, able to answer questions, and efficient. In other words, she is a professional!
Joan W.
Dr. Lasher is an awesome dentist. I have recommended several friends and family members. His dental assistants are so friendly. You feel at ease when you have a to come there.
Lori H.
There was no wait time. My hygienist, Donna was awesome.
Wanda Q.
Accommodating office staff and good care in the chair!
Tammy C.
All of the staff is always so pleasant and takes good care of me.
Sandra H.
Overall excellence in all services
Michael G.
All around excellent
Jesse M.
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.
every thing in this office is professional they explain what they are going to do and take the time to care
Lisa G.
Dr. Lasher id the best. The hygienists are great too.
Lauren M.
DONNA is the greatest !!!!! She always greets me with a smile, talks me through the entire procedure and as a patient for 35 years there, I have never felt any pain during any of my office visits. […]
Eric D.
Friendly service and efficient service.
Doris F.
Office Hours
Mon. – 9:00 AM - 5:00 PM
Tue. – 9:00 AM - 6:00 PM
Wed. – 8:00 AM - 5:00 PM
Thu. – 8:00 AM - 5:00 PM
Fri. – 8:00 AM - 2:00 PM
Sat. – 8:30 AM - 1:30 PM

Open one Saturday a 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 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 - 5:00 PM
  • Thursday 8:00 AM - 5:00 PM
  • Friday 8:00 AM - 2:00 PM
  • Saturday 8:30 AM - 1:30 PM
Get in touch:
  • Phone: (301) 861-0665
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