The Journal of the American Dental Association
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J Am Dent Assoc, Vol 122, No 4, 54-59.
© 1991 American Dental Association
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Journal of the American Dental Association, Vol 122, Issue 4, 54-59
Copyright © 1991 by American Dental Association

Clinical Trial

Duration of tooth color change after bleaching



SF Rosenstiel, AG Gegauff, and WM Johnston
Section of Restorative and Prosthetic Dentistry, College of Dentistry, Ohio State, Columbus 43210-1241.

Tooth color change was monitored after a single, in-office bleaching technique using a colorimeter. Twenty young adults participated in the double-blind study at The Ohio State University College of Dentistry. Half of the participants had their maxillary anterior teeth bleached and half were controls. By one month, the large initial color change was considerably reversed and only noticed by one subject. After six months, the effect of bleaching was small, but still measurable.




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