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At-Home Bleaching System: Effects on Enamel and Cementum
Authors:Warren Scherer  D.D.S.  Harmon Cooper  D.D.S  Benjamin Ziegler  B.A.  T.V. Vijayaraghavan  Ph.D
Affiliation:Assistant Professor;Director, Advanced Education Program in General Dentistry, New York University College of Dentistry, New York, New York.;Assistant Professor, Department of Comprehensive Care and Applied Practice Management, New York University College of Dentistry, New York, New York.;Junior dental student, New York University College of Dentistry, New York, New York.;Assistant Professor, Department of Dental Materials Science;New York University College of Dentistry, New York, New York.
Abstract:
An analysis by scanning electron microscopy was undertaken to investigate the effects of bleaching on enamel-cementum surface morphology. Teeth were investigated in five groups: control; vital bleached for 5, 15, and 30 days; and 37 percent phosphoric acid gel etched for 20 seconds. Only the gel-etched group exhibited etching patterns. Shade change in vital bleached teeth was noted in the group vital bleached for 30 days.
Keywords:
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