Medically reviewed by Edmund Khoo, DDS Tooth discoloration is a common issue that millions of people attempt to address each ...

Dilute apple cider vinegar with water and swish it around in your mouth. It can help eliminate plaque buildup and reduce yellowing over time. Brush your teeth with activated charcoal powder. Its ...

[1] One study found that a toothpaste containing baking soda and 1% hydrogen peroxide led to significantly whiter teeth. [1] Another study found that brushing with commercial toothpaste containing ...

Afterward, I simply brushed my teeth to remove any leftover gel. The trays can be used for up to an hour and come with varying concentrations of hydrogen peroxide — 10 percent, 15 percent ...

When the baking soda was added to vinegar, a chemical reaction takes place that produces carbon dioxide gas. This reaction causes the temperature to go down. Hydrogen peroxide and vinegar will ...