Developed by researchers at Queen Mary University of London (Queen Mary), Varnish VLC is designed to combat tooth decay and acid erosion caused by everyday habits, particularly in children.
Key to Varnish VLC is flake glass technology, which protects against moisture and other harsh elements. It has been used in the maintenance of steel bridges, including the Forth Bridge, providing up to 25 years of protection before requiring major maintenance.
According to Queen Mary, this is the first time scientists have adapted this technology to create this novel treatment for tooth decay. Varnish VLC mimics the natural properties of enamel, offering an effective way to reduce wear and prevent damage.
In a statement, research lead Dr Saroash Shahid, Reader in Dental Biomaterials at Queen Mary, said: “It might sound unusual, but the challenges are similar: both teeth and bridges are exposed to harsh conditions, both suffer from corrosion, and both are difficult to protect. This project shows the power of looking outside of traditional fields for inspiration.”
Tooth decay affects one-third of children and nearly half of adults in England, leading to discomfort and expensive dental treatments. The NHS spends millions annually, yet current solutions such as fluoride varnishes and resin infiltration fail to provide long-term effective protection.
Unlike traditional treatments, which often fall short in preventing acid erosion, the new treatment is said to offer superior wear resistance and enhanced protection while maintaining a natural tooth appearance. Early in vitro studies show Varnish VLC outperforms current treatments in wear resistance and protection against acid erosion.
Another key benefit of Varnish VLC is its minimally invasive application. The treatment does not produce aerosols, making it safer for patients and dental professionals during application.
Dr Shahid said: “We believe this product has the potential to change preventive dentistry, particularly for children, and we are excited to bring it to all children in England and particularly those in our local community in East London.”
A six-month trial is currently underway to test the effectiveness of Varnish VLC in real-world conditions. Queen Mary is working with PSP Dental to bring the treatment to dentists in the UK and around the world.
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