Journal of Applied Oral Science · 2009 · 40 citations · 22 references
Microhardness of bovine enamel was not affected by the bleaching agents. The 16% carbamide peroxide gel was the most effective for bleaching the stained substrate.
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V B Haywood, H.O. Heymann · Dental Abstracts · 2013 · 741 citations
Tooth whitening: facts and fallacies
H.O. Heymann · BDJ · 2005 · 116 citations · Full text