The $3bn (£1.5bn) global market for toothpaste is on the verge of a shake-up as new biotechnologies come through that not only curtail sensitivity problems but will also enable teeth to re-grow to fill in small cavities.

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Today’s toothpaste comes in a plethora of flavours and can of course whiten teeth but from a medical viewpoint, little has progressed in the 40 years since fluoride was added to fight decay.

Now though scientists in various countries have developed differing technologies that produce similar results to deaden sensitivity and decalcify the teeth, problems that have increasing significance as populations age.

Link & Image: Guardian