The very short answer is yes, teeth whitening could possibly harm your teeth if you overbleach. If you overbleach, you can cause permanent damage to your enamel and dentin. That could lead to permanent sensitivity and your color also changes. The teeth will no longer get whiter and whiter but instead can become blue or grey as you bleach out all the natural pigment. So be sure, you don’t overbleach and also use only verified teeth whitening products that are safe and not harmful.
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