Enjoy a brighter, whiter smile in just 45 minutes after receiving one ZOOM! professional whitening system at Capitol Dental Group.  Zoom Chairside Whitening System is a scientifically advanced, patent pending tooth whitening procedure conducted under the supervision of a dentist.  Zoom! is a safe, painless, effective and very fast. Capitol Dental Group is located in Foxhall Square, and Dr. Said Mokhtarzadeh is a graduate of Georgetown's School of Dentistry.  Bearer of certificate must first have their teeth examined to verify that they are a viable candidate for this procedure.  Zoom! works best after a recent cleaning.