Charles M. Marks D.D.S and Dental Associates.

Conveniently located at 34th Street and 5th Avenue. Drs. Charles M. Marks and his associates offer Invisalign, cosmetic dental treatments and dental care for children, teens and adults.


A Look at the Tooth Whitening Process

Cosmetic dentistry treatments like teeth whitening are an excellent way to improve your appearance and boost your self-confidence. Although whitening toothpastes are widely available to consumers, the safest and most effective way to whiten your smile is to visit your dentist. Your dentist can perform a whitening treatment in the office or send you home with custom-fitted whitening trays to use.

You can learn how tooth whitening works when you watch this video. The dental expert in the clip explains that hydrogen peroxide acts as an oxidizing bleaching agent to break up stains on and within the enamel.


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347 5th Avenue Suite 1310
New York, NY 10016

Hours of Operation

  • Closed Sunday
  • 8:00 AM to 5:00 PM Monday
  • 8:00 AM to 5:00 PM Tuesday
  • 8:00 AM to 5:00 PM Wednesday
  • 8:00 AM to 5:00 PM Thursday
  • 8:00 AM to 5:00 PM Friday
  • Closed Saturday