Key points from article :
Experts produce clusters of enamel-like calcium phosphate to crack age-old problem.
Clusters diameter is 1.5 nanometres, thanks to triethylamine, which prevented them from clumping
Clusters fused to crystalline hydroxyapatite, formed a layer with a tight arrangement.
Repaired enamel had similar strength and wear-resistance to natural, undamaged enamel.
Team hopes to use it in a trial in humans in one to two years.
Research had published in the journal Science Advances.
