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In this manner, what do dentists use to whiten teeth?
Weaker concentrations act only at the surface ofthetooth enamel. While hydrogen peroxide is theactiveingredient in most whitening products,someteeth-whitening gels contain carbamide peroxideorsodium perborate.
Also know, how long do you leave whitening gel on your teeth?
Tooth whitening stripsandgels. Applied directly to the teeth with a brush orathin strip, these peroxide-based tooth bleachingproductsusually need to be applied once or twice a day for 10 to 14days.Results last four or more months and may cost from $10to$55.
Additionally, plaque build-up on your teethcancause them to look yellow. This type ofdiscolorationcan usually be treated with regular cleaningand whiteningremedies. However, sometimes teeth lookyellowbecause the hard enamel has eroded away, revealing thedentinunderneath.