Essential Takeaways
- Oral Essentials was found to work as well as Crest 3D Whitening Mouthwash without using ingredients like hydrogen peroxide, which causes tooth sensitivity and may lead to long-term enamel erosion.
2 min read
Objective: The goal of this study was to evaluate the enamel whitening effects of 2 new test formulations, one of which was a rinse, and the other a whitening strip.
Materials and Methods: Forty enamel chips were prepared from 20 healthy extracted teeth (2 from each tooth). After pre-staining and colorimetry to measure L* and b* values, 20 matched samples were immersed in either test or control rinses, and then colorimetry was performed again after 1 hr, 2 hr, 3 hr, 6 hr, 12 hr, 24 hr and 48 hrs (Each hour equates to one month of clinical use at the recommended dosage of 1 minute exposure 2 times a day). The remaining 20 matched samples were exposed to the test or control whitening strips and colorimetry was performed every 30 minutes for a total of 10 treatments.
Results: Overall, the whitening performance of test and control strips was similar. The test and control rinses had a similar lightening effect over the first 3 hours (equivalent to 3 months of clinical use). Subsequently, the control rinse continued to lighten samples, whereas the test rinse had little further effect.
Conclusion: Test and control-whitening strips showed similar effects; over time whitening strips showed a greater lightening effect than whitening rinses.
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