How Does Elmex Repair Tooth
A new way to care for tooth decay is on the mode
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Tooth enamel tin can now be made to repair itself by applying a special gel. The product could save people from developing cavities that require dental fillings.
Enamel is the difficult, protective layer on the outside of teeth. It tin can be worn down past mouth acid and repeated chewing, leading to cavities that have to be plugged with fillings to prevent farther decay.
Considering fillings are made from foreign materials like metal, porcelain and resin, they don't bind seamlessly to the tooth surface and ofttimes become loose.
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To overcome this trouble, Ruikang Tang at Zhejiang University in Red china and his colleagues made a gel containing calcium and phosphate – the edifice blocks of real enamel – to try to encourage teeth to self-repair.
They tested the gel by applying it to man teeth that had been removed from patients and damaged with acid. They then left the teeth in containers of fluid designed to mimic the mouth environment for 48 hours.
New crystals
During this time, the gel stimulated the growth of new enamel, with microscopy revealing that information technology had the same highly ordered arrangement of calcium and phosphate crystals every bit regular enamel.
This is probably because in normal tooth development, the emerging enamel is coated in a disordered layer of calcium and phosphate particles – like in the gel – that encourages its growth, says Tang.
The new enamel blanket was only three micrometres thick, which is about 400 times thinner than undamaged enamel. But Tang says the gel could be repeatedly applied to build upwards this repair layer.
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Several other groups have tried to repair molar enamel with calcium and phosphate mixtures, but they contained larger particle clusters that didn't cling well to the tooth surface, says Tang. This made information technology difficult for the enamel crystals to re-build, he says.
The team is now testing the gel in mice and hopes to later examination it in people. They will need to make sure the chemicals in the gel are safe and that new enamel can form in the real-life mouth environs, even when people eat and potable, Tang says.
Periodical reference: Science Advances, DOI: 10.1126/sciadv.aaw9569
More on these topics:
- medical technology
Source: https://www.newscientist.com/article/2214797-gel-that-makes-teeth-repair-themselves-could-spell-the-end-of-fillings/
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