Treatment of the week

It’s normal to be wary of products that claim to whiten teeth; sure, they might improve their appearance, but are they compromising the health of your delph? Now, Irish sisters (and, reassuringly, dentists) Dr Lisa and Vanessa Creavan have designed a whitening system that’s both safe and effective and suitable for home use.

It’s the only over-the-counter treatment that contains a small amount of hydrogen peroxide – an active ingredient in professional whitening ...