When Is Too Much Teeth Whitening Harmful to Oral Health?
Using teeth-whitening treatments to achieve a brighter smile may be appealing, but experts say overdoing it could cause lasting damage
![When Is Too Much Teeth Whitening Harmful to Oral Health?](https://static.scientificamerican.com/dam/m/23c35f915621e5af/original/whitening_trays.jpg?m=1732654093.508&w=1200)
Using teeth-whitening treatments to achieve a brighter smile may be appealing, but experts say overdoing it could cause lasting damage
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