Do tooth-whitening products work?

A review published in the Journal of Dentistry analyzed 88 studies, including in-vitro and clinical trials, to look at the active ingredients, effectiveness and potential adverse effects of over-the-counter bleaching products.

Whitening toothpastes and whitening strips were the most studied products.

Clinical trials supported the efficacy of whitening strips, whereas in-vitro studies primarily validated the bleaching potential of toothpastes, mouth rinses and whitening trays.

The researchers said clinicians should offer guidance and recommendations to patients regarding the use of over-the-counter bleaching products and caution patients about the potential for developing tooth sensitivity and gingival irritation when using the products. 

Read more: Practice Update

The article presented here is intended to inform you about the broader media perspective on dentistry, regardless of its alignment with the ADA's stance. It is important to note that publication of an article does not imply the ADA's endorsement, agreement, or promotion of its content.