Dr. William W. Roberts III D.M.D.

Contact us


Share your experience

Have you had a personal experience with Dr. William W. Roberts III D.M.D.? Help our users and write about it.

Our profile - Dr. William W. Roberts III D.M.D.


Philadelphia Orthodontists - Drs. Roberts and deMarsche - Experienced and board certified, located in Philadelphia, Pennsylvania PA and Lawrenceville, New Jersey NJ.

More info

About Us

If you want a beautiful smile, we can help. We are committed to excellence in dentistry and offer the highest quality orthodontic care for patients of all ages in our two separate, state of the art and elegantly appointed facilities. Click the following links to learn more about Philadelphia Orthodontists ...

Page Index:

  • About the Doctors
  • About our Offices and Locations
    • Center City, Philadelphia
    • Lawrenceville, New Jersey

About the Doctors

Dr. Roberts graduated three times from the University of Pennsylvania, receiving a BA in 1972, a DMD degree in 1976, and a Certificate in Orthodontics in 1978. He became “Board Certified” in 1993 and is a Diplomate of the American Board of Orthodontics. Dr. Roberts was, for eight years, Associate Professor in the Department of Graduate Orthodontics at Temple University School of Dentistry. He has authored and published articles in the orthodontic literature and has lectured internationally for over 30 years. Dr. Roberts is a former President of Mercer Dental Society where he was Program Chairman (10 years) and continues as web site editor.

Dr. de Marsche studied on the undergraduate level at the University of Pennsylvania and Georgetown University. She graduated from the University of Medicine and Dentistry of New Jersey in 1979 and received a Certificate in Orthodontics from the University of Pennsylvania in 1981. She became Board Certified in 1995, and is a Diplomate of the American Board of Orthodontics. Dr. de Marsche was Clinical Assistant Professor of Orthodontics at Temple University for many years. Dr. de Marsche is a former President of Mercer Dental Society and maintains an active involvement in Mercer Dental Society projects and activities.

Drs. Roberts and de Marsche are married and have two children. Their interests include travel and many water and snow-related sports.

  Drs. Roberts (Center - Left) and de Marsche (Center - R) with family

About Our Offices And Locations

Roberts & de Marsche Orthodontics offers two locations for your convenience – one in Center City, Philadelphia and the other in Lawrenceville, New Jersey. You will find our offices comfortable, quiet and attentive to your needs…

Our photographs

Show more Show less


Other cosmetic and aesthetic dentistry

Show more Show less

You can pay with a credit card.


  • Please keep in mind the final costs of the treatment can differ from the above listed prices. For more information about the prices please contact the particular doctor / clinic.
  • Prices are recalculated on a daily basis according to the current exchange rate

Contact us


1601 Walnut Street
Suite 1513
19102 Philadelphia
United States