Effect of pH on whitening efficacy of 35% hydrogen peroxide and enamel microhardness.
Ana Luiza Barbosa JuremaMauricio Yugo de SouzaCarlos Rocha Gomes TorresAlessandra Bühler BorgesTaciana Marco Ferraz CaneppelePublished in: Journal of esthetic and restorative dentistry : official publication of the American Academy of Esthetic Dentistry ... [et al.] (2018)
Independently of the pH value of whitening gel, enamel undergoes superficial demineralization and with a reduction in superficial microhardness that does not return to the initial values. However, using hydrogen peroxide with different pH values does not alter the whitening effect.