At-Home Bleaching System: Effects on Enamel and Cementum |
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Authors: | Warren Scherer D.D.S. Harmon Cooper D.D.S Benjamin Ziegler B.A. T.V. Vijayaraghavan Ph.D |
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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. |
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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. |
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