![shutterstock_73004329-tooth whitening](https://www.nationalelfservice.net/cms/wp-content/uploads/2011/08/shutterstock_73004329-tooth-whitening-150x150.jpg)
This review compared tooth whitening strips against 10% carbamide peroxide gel. Only 9 low quality studies were available and while meta-analysis found no difference between the interventions, the authors did not consider that strips were a substitute for gel.
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