Meet the Team
Let’s Smile™ of Herndon is a family practice with an upbeat, friendly environment. Our dental team is knowledgeable and highly trained, and our dentist and staff are gentle and can put any patient at ease.
Dr. Ali Ghatri, DDS, Orthodontist & Founder
Dr. Ali Ghatri is recognized as a board-certified orthodontist and is the owner and founder of Let’s Smile Dental. During his dental education at Case Western Reserve University, he received the Certificate of Academic Excellence in Dentistry in 1991 and 1992. In his last year of dental school, he was granted membership into the Omicron Kappa Upsilon National Dental Honor Society for excellence in academic achievement. He received his orthodontic certificate from the University Of Connecticut Department Of Orthodontics and started his practice in the metro area of Washington, D.C. in 1995.
Throughout his career, Dr. Ghatri has treated many children and adults using the newest and most advanced technologies available. He has been a member of the American Association of Orthodontics since 1992 and received the American Association of Orthodontists Scientific Program Award for his participation in orthodontic education and research. He has also been accredited as an Invisalign Diamond Plus Provider and is among the top one percent of Invisalign providers in the United States.
Dr. Ghatri is a firm believer in actively attending continuing education seminars in order to stay on top of the major changes in the dental industry. Continuing education ensures that patients are offered the latest technologies and treatment methods to guarantee that they receive the best treatment and highest quality of service.
Dr. Ghatri feels truly blessed to be a part of each of his patients’ journeys to achieve their dream smile. The work he does and the interactions he has brings a smile to his face that cannot be compared to anything else. Overall, he feels it gives him satisfaction on a daily basis, and the happiness it brings cannot be described in words.
Dr. Zeina Estephan, DDS, Pediatric Dentist
Dr. Zeina Estephan graduated from the University of Damascus with her BDS diploma before moving to France to specialize in pediatric dentistry at the University of Paris V and the Robert Debre Hospital. She obtained her master’s degree in pediatric dentistry before moving to the United States with her family, where she received her certificate in pediatric dentistry at Rutgers School of Dental Medicine.
Dr. Zeina is board-certified and an active American Academy of Pediatric Dentistry (AAPD) member. She speaks English, French and Arabic and is learning Spanish. This gives her the ability to work with a diversity of patients. Dr. Zeina’s passion is dentistry. She constantly improves her skills and knowledge. She credits working with children for helping her understand the world around her and better appreciate that true success lies in giving and making others happy.
Dr. Zeina enjoys spending time with her husband and three children in her free time. She is an active church member and volunteers at Give Kids a Smile Day and the District of Columbia Special Olympics.
Dr. Injamamul Niloy, DDS, Oral Surgeon
Dr. Injamamul “Inja” Niloy, a native of West Palm Beach, FL, began his academic journey with a Bachelor’s degree in Biology from the University of Florida. He advanced his education by earning a Doctor of Dental Surgery (DDS) from Columbia University School of Dental Medicine. During his dental school years, Dr. Niloy participated in international mission trips to Bangladesh and Sri Lanka, focusing on Cleft Lip and Palate surgeries, which sparked his passion for Oral Surgery.
Dr. Niloy received the prestigious United States Army Health Professionals Scholarship and commenced his service with the United States Army. He completed his Oral and Maxillofacial Surgery training at the Walter Reed National Military Medical Center. His training encompassed the full scope of Oral and Maxillofacial Surgery with an emphasis on dental implants, wisdom teeth removal, in-office anesthesia, corrective jaw and facial cosmetic surgery, facial reconstruction, facial trauma, head and neck pathology, and the treatment of temporomandibular disorder.
As a Diplomate of the American Board of Oral and Maxillofacial Surgery, Dr. Niloy currently serves as the Chief of Oral and Maxillofacial Surgery at the A.T. Augusta Military Medical Center, Fort Belvoir Army Base. He is also an active member of several professional organizations, including the American Dental Association (ADA), Virginia Society of Oral and Maxillofacial Surgeons (VSOMS), Middle Atlantic Society of Oral and Maxillofacial Surgeons (MASOMS), American College of Oral and Maxillofacial Surgeons (ACOMS), and American Association of Oral Maxillofacial Surgeons (AAOMS).
Beyond his professional life, Dr. Niloy’s personal interests include soccer, Florida Gators football, skiing, traveling, sketching, and Bollywood dancing. He treasures spending quality time with his wife and relishes exploring the vibrant Washington DC metropolitan area.
Dr. Kevin Do, DDS, Pediatric
Dr. Kevin Do is a highly trained pediatric dentist with extensive experience in both hospital and clinical settings. After obtaining his DDS at UNC, he completed a 2-year hospital dental residency at UNC Hospitals. He provided care to medically compromised and special needs patients and managed on- call trauma and infection cases in the Emergency Department. He had the honor of being selected Chief Resident in his final year. Dr. Do then went on to pursue an Oral Oncology Fellowship at Carolinas Medical Center. During this fellowship, he received advanced training in treatment of patients undergoing radiation therapy, chemotherapy, and/or head and neck surgery during active and post cancer treatment.
Following this, Dr. Do completed his Pediatric Dental Residency at Temple University Hospital. There, he gained invaluable clinical training, treating a diverse range of pediatric patients. He has extensive experience with providing moderate conscious sedation and rendering care in the operating room under general anesthesia. While in residency, Dr. Do also conducted and presented significant research on the psychosocial effects of diseased dentition in the pediatric population. With a deep commitment to providing compassionate and expert care, Dr. Do strives to make every visit a positive and comfortable experience for children and their families.
Dr. Amitis Sarbaz, DDS, Orthodontic
Education & Background
Dr. Sarbaz was born in Tehran, Iran, where her passion for dentistry led her to earn her dental degree from Shahid Beheshti University of Medical Sciences in 2017. From there, her drive for excellence took her across the globe—completing an orthodontic research fellowship in Hoboken, New Jersey in 2019, followed by her Master’s degree at New York University in 2020. She then completed her orthodontic residency in Georgia from 2022 to 2025, where she gained extensive experience in complex diagnosis, treatment planning, and comprehensive orthodontic care.
Current Training & Academic Involvement
Dr. Sarbaz is currently completing an advanced orthodontic fellowship at CTOR Academy, focusing on the most cutting-edge techniques and complex cases in the field. Beyond her clinical work, she has a true passion for education—actively lecturing and organizing orthodontic events to help shape the next generation of orthodontists.
Philosophy of Care
Dr. Sarbaz’s commitment to individualized, detail-oriented care has left a lasting impression on every patient she meets. Her approach to orthodontics combines clinical knowledge, attention to detail, and a genuine passion for creating healthy, confident smiles. For her, the moment a patient sees their new smile for the first time—that is everything.