How To White Teeth?

Following are some tips-
Brush your teeth regularly.
Rind of orange can be used.Rub the inner portion of rind of orange to whiten the teeth.
Take baking soda 1 tsp,mix a pinch of salt and use this with your toothpaste.
Rinse your mouth with vinegar and water solution.
Add few drops of clove oil to toothpaste and brush.

Baking soda ca also be mixed with strawberries for whitening teeth at home. Crush the strawberries and then add baking soda to it.
Wood ash also has a potassium hydroxide which has a bleaching property. It helps removes the stains from the teeth, but see to it that you use it in moderation.