About Your Dentist

Isam Estwani, DDS

In Dental School, you learn about teeth. In life, you learn about people. Put them together, you get a Dentist.The joy of Dentistry is that you are always being enriched by getting up close and working with all different kinds of people, and no one person is the same as another. I believe this is why what I do is called the Practice of Dentistry. I believe that our mouth is the gateway to our body, and our body is the gateway to our spirit.

My Mission

My mission is to assist my patients in maintaining a healthy, comfortable mouth for a lifetime. I want my patients to feel in control of their oral health while enjoying a healthy, beautiful smile. Giving my patients a comfortable and pain-free dental experience is my priority. The trust my patients put in me is a great honor that I dont take lightly.

Continuing Education & Professional Memberships

Dr. Estwani continued his post graduate training at the MCV Hospital and McGwire Veterans Affairs Hospital through a 2 year Dental Medicine/General Practice Residency, where he served as chief resident his 2nd year. After his residency, he completed a 1 year comprehensive training program in Dental Implantology, and a 2 year training program in Orthodontics. Dr. Estwani is also very proud of being an Alumni of the prestigious Pankey Institute for Advanced Dental Education. He is dedicated to providing the best care possible to his patients by receiving extensive training and continuing education in implants, orthodontics, laser dentistry, sedation and cosmetic dentistry. Dr. Estwani commitment to constantly advancing himself in dental education is marked by his achievement of a Fellowship in the Academy of General Dentistry.

Life & Hobbies

Dr. Estwani lives in Herndon with his wife and four children. He enjoys participating in his childrens extracurricular activities, and has coached youth soccer, basketball, football and wrestling. He loves watching and playing sports, as well as playing chess and horseback riding.

Lydia Brett, DMD

My Mission

I want every patient to be confident in their smile. I also want my patients to be able to have control of their dental care and for us to work as a team to help maintain good oral health.


Florida State University, Bachelor of Science in Chemistry and Biochemistry - Tallahassee, FL

Kornberg School of Dentistry, Doctorate of Dental Medicine - Philadelphia, PA

Professional Memberships

Dr. Brett is currently an active member of the American Dental Association and the Northern Virginia Dental Association.

Life & Hobbies

In her spare time, Dr. Brett's favorite thing to do is spend quality time with her husband and daughter. She also enjoys being in the kitchen, cooking her family recipes, and discovering different cuisines. Dr. Brett ran cross country and track at Florida State University. She continues to enjoy running with her husband and completing half marathons.