The effect of teeth whitening produced by various natural food substances: an in-vitro study

Introduction: Process of removing the stains from tooth is termed as bleaching. Substance used for bleaching are termed as bleaching agents. Various bleaching agents (artificial and natural) are readily available in the market. Aim: Present study was aimed in evaluating the efficacy of lemon, apple, carrot, baking soda in the whitening of the extracted natural teeth that are stained with tea decoction. Material and method: Teeth were stained with tea decoction and bleaching was done using natural food substances (lemon, carrot, apple, baking soda) in two different methods (direct application, soaking). Result: Bleaching efficacy of lemon was superior in both the methods when compared with baking soda, carrot and apple. Conclusion: Because of superior bleaching property of lemon, it can be used as an active ingredient in day to day commodities like tooth paste or other tooth cleaning products after standardisation.