Today’s Solutions: December 18, 2025

Enamel may be the hardest tissue in the body, but once it’s damaged, it cannot self-repair. The good news is scientists have discovered a method by which its complex structure can be reproduced, essentially allowing the enamel to grow back. In studies thus far, the repaired enamel has been found to have similar strength and wear-resistance to natural, undamaged enamel.

At present, materials such as resin, metal alloys, amalgam, and ceramics are used to repair damaged tooth enamel but they are not ideal. The team behind the research say the new material is not only safe but also cheap and can be prepared on a large-scale. That’s important, especially considering about 2.4 billion people worldwide live with decaying teeth,

Solutions News Source Print this article
More of Today's Solutions

New method uses sound waves to map soil health, stop famine, and restore farm...

BY THE OPTIMIST DAILY EDITORIAL TEAM Across the world, soil scientists are trading in their shovels for something unexpected: seismic sensors. In a breakthrough ...

Read More

This simple 15-minute mindset exercise can ease anxiety, science shows

BY THE OPTIMIST DAILY EDITORIAL TEAM A growing body of research is revealing how a short, simple activity that is done in just 15 ...

Read More

3 habits of the happiest people

Think of the happiest people you know. Do you find yourself often wondering what they are doing to maintain a general level of joy? ...

Read More

Changemakers of the week: GRuB and SparkNJ

Every day on the Optimist Daily, we report on solutions from around the world. Though we love solutions big and small, the ones that ...

Read More