They can be used to eliminate superficial stains. Others temporarily stain the tooth with violet particles that Denta Seal Review to the enamel and counteract the yellow of the dentin, creating an optical illusion.
They have a limited bleaching power.
Household bleaching products contain hydrogen peroxide or carbamide. Both give off oxygen, which is what destroys the pigments. But since oxygen is very labile, it evaporates or mixes with the atmosphere in the case of dentifrices.
They can affect the gum and the tooth. Is it true that when we touch hydrogen peroxide it leaves our skin white and can cause us to itch? Well imagine that in a gum! It can burn it, or irreversibly damage the teeth Denta Seal Review. Therefore, it is essential to go to a trusted specialist.