Each time you brush your teeth, you can brush your teeth with a toothbrush or gauze, cotton, and lemon juice. Lemon juice has a strong cleaning effect and can clean white teeth. And its rich VC can strengthen the teeth.
Orange skin brushing
After drying the orange peel, grind it into powder and mix it with toothpaste and orange peel powder each time you brush your teeth. Then brush your teeth and have a good whitening effect.