carbamide peroxide or hydrogen peroxide for teeth whitening

https://en.wikipedia.org/wiki/Carbamide

https://en.wikipedia.org/wiki/Carbamide_peroxide

https://en.wikipedia.org/wiki/Carbamide-containing_cream

https://en.wikipedia.org/wiki/Carbamidase

https://en.wikipedia.org/wiki/Carbazide

Carbamide Peroxide vs Hydrogen Peroxide | Colgate® Oral Care

Carbamide vs. Hydrogen Peroxide | WhitenMySmileNow.com

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