When lemon juice is mixed with baking soda, it locks calcium in the enamel to strengthen and whiten the teeth.
Mix equal quantities of baking soda and lemon juice to make a paste.
Apply on teeth and leave it on for a minute.
Brush your teeth with this paste for a minute or two before rinsing with water.
Brush your teeth with your regular toothpaste to get rid of this mixture completely.
Brush your teeth with it once or twice a week.
Note: You can add a pinch of salt to the mixture.
Or apply this baking soda/ lemon juice mixture on the teeth with the help of a cotton swab and rub it gently.
Apply lemon juice diluted in water on your teeth and leave for 5 minutes.
Make a paste of baking soda and water and use this to brush your teeth for 2 minutes.
Rinse your mouth with water thoroughly.
Follow this method 2 – 3 times a week.
You can also use diluted lemon juice and baking soda to brush your teeth.