Teeth Whitening Explained
To choose the best whitening agent, it helps to understand how the process works. Most products use either hydrogen peroxide or carbamide peroxide¹². These agents break down stains into smaller molecules, reducing discolouration and brightening teeth².
The primary difference between hydrogen peroxide and carbamide peroxide lies in their stain-breaking capabilities and shelf-life. Hydrogen peroxide breaks down stains more quickly compared to carbamide peroxide³. Carbamide peroxide contains hydrogen peroxide and offers a longer shelf-life². Both hydrogen peroxide and carbamide peroxide are effective tooth whitening solutions¹.
So, what does that mean when choosing the best product for you?
If you desire a rapid color change, a whitening product containing hydrogen peroxide may be your preferred choice. Hydrogen peroxide releases the majority of its whitening power within 30–60 minutes, delivering quick results³. However, if you have naturally sensitive teeth or are prone to habitual staining, a product with carbamide peroxide might be more suitable. Carbamide peroxide releases approximately 50% of its whitening power within the first two hours and remains active for an additional six hours, providing a gentler and longer-lasting whitening experience²⁴.
At Fostering Smiles, we tailor our approach by using a combination of peroxide-based products, specifically designed to meet your individual needs. This ensures the delivery of optimal results, leading to a longer-lasting and brighter smile without the sensitivity.
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References
Joiner, A. (2006). The bleaching of teeth: a review of the literature. Journal of Dentistry, 34(7), 412–419. https://doi.org/10.1016/j.jdent.2006.02.002
Kwon, S. R., & Wertz, P. W. (2015). Review of the mechanism of tooth whitening. Journal of Esthetic and Restorative Dentistry, 27(5), 240–257. https://doi.org/10.1111/jerd.12152
Sulieman, M. (2008). An overview of bleaching techniques: 3. In-office bleaching. Dental Update, 35(7), 514–516. https://doi.org/10.12968/denu.2008.35.7.514
Li, Y. (2011). Safety controversies in tooth bleaching. Dental Clinics of North America, 55(2), 255–263. https://doi.org/10.1016/j.cden.2011.01.003