The rise of Big Toothbrush: how did our mouths become such a lucrative market?

People in the UK are more interested in oral health than ever - and you can now buy prebiotic toothpastes and brushes that cost up to £600.

Yet we remain in the midst of a serious dental crisis A December 1969 report from the consumer magazine Which? explored a relatively new gadget that, it predicted, many people would be giving as Christmas presents: the electric toothbrush.

For those who hadn’t yet seen one, the magazine described it as “not that much different in principle from an ordinary brush – you have a stick with a brush on the end.

The difference is that an electric one moves the brush head for you”.

Progress indeed.

Nearly six decades on, electric toothbrushes can do a lot more than merely jiggle, offering multiple speeds and movement sensors for real-time tracking of where you’ve brushed – some even promise gum-massage or tongue-cleaning modes.

Prices range from about £25 for a basic Oral B model to £599.99 for a Philips Sonicare model that gives “smart coverage feedback”.

The latest super-toothbrush – a mere £419.99 – features a camera and a built-in water jet to clean between teeth, using AI to identify gaps.

Created by Dyson, it’s still, essentially, a stick with a brush on the end (although there is another toothbrush on the market that’s shaped like a mouthguard, with individual brushes, that claims to clean your teeth in 20 seconds).

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