Family & Cosmetic Dentist in Leesburg VA Our Leesburg dentists, Dr. Sameh Kassem, D.D.S. & Dr. Michael Gwaltney, D.D.S., are accepting new patients and would like to welcome you to our dental office. Our team is committed to providing you with quality dental care that every patient deserves. Our team's goal is to assist each of our patients to dental health and maintaining it. How can Riverside Dental in Leesburg, VA help? Mention our website and receive a FREE Consultation!