18 Ara 20181 dk.Why do teeth become darker and what is the mechanism of action of whitening gels? The internal coloration in the dentin is the result of natural pigment and stain molecules in the form of large, long chains stuck in the...
18 Ara 20182 dk.Do whitening gels containing high levels of hydrogen peroxide result more effective whitening?Does 40% H2O2 whiten faster than 15% H2O2? Does it mean that more hydrogen peroxide means whiter teeth? One of the most common methods to...
18 Ara 20181 dk.How does hydrogen peroxide penetrate the dentin layer?Molecular hydrogen peroxide (H2O2) was found to move along to the pulp during and after whitening. Enamel is permeable, although it was...
18 Ara 20182 dk.Why do Teeth Whitening gels cause sensitivity? Is it normal to occur? In the majority of Teeth Whitening gels, potassium nitrate, fluorine and ACP are added to prevent sensitivity or use it when sensitivity...