Whitening, or sphering, is a common preprocessing step in statistical analysis to transform random variables to orthogonality. However, due to rotational freedom there are infinitely many possible whi...

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It may even repair damaged enamel and improve your oral microbiome.

It might actually make your teeth look *more* yellow.

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become yellowed over time for a number of reasons, and can be achieved by changing the intrinsic or extrinsic colour of the tooth enamel. The chemical degradation

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New powder found to overcome limitations of traditional teeth whitening technologies

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Aggressive whitening and panic-flossing can actually mask underlying issues.