Internal bleaching of endodontically treated discoloured teeth

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This review of different bleaching agents used for internal bleaching of endodontically treated discoloured teeth included 8 studies. While the findings suggest all agents had a positive effect the quality of the avaiiable studies is low so the findings should be interpreted cautiously.

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Tooth whitening: Tray-delivered gels showed a slightly better whitening efficacy

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This review of tooth whitening included 13 randomised studies and suggests that tray-delivered carbamide peroxide gel provided better whitening efficacy than HP-based products. However the available evidence is very heterogeneous and short term.

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