Beauty salons offering teeth whitening services without a dental professional are doing it illegally.
A dentist will use bleaching gel or laser whitening to whiten the teeth, and will make sure your gums are protected from whitening agents. Make sure a qualified dental professional does your teeth whitening to avoid risks – and you’ll love the results.
Read the full story here
http://www.nhs.uk/Livewell/dentalhealth/Pages/teeth-whitening.aspx
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