Got a sensitive tooth that catches every sip of cold water? Researchers at IISc and the startup Theranautilus might have a sci-fi style cure. They’ve created magnetic nanobots—”CalBots”—that swarm into the microscopic tunnels in your teeth and self-assemble into a cement-like plug. One single application and you could have lasting relief. (Times of India)

How CalBots Work Their Magic

Each CalBot is a 400-nanometre-sized calcium-silicate bioceramic particle that’s completely safe. With a magnetic guide, they dive 500 micrometres into the dentinal tubules near nerve endings. Once in place, they stick together and form a durable plug that mimics your natural tooth barrier. Clever, right?

Proof in the Water Test

The team tried them on mice first—only the sensitive ones avoided cold water. After treatment, those mice sipped cold water like nothing happened. Instant relief, total recovery, all thanks to tiny bots. That kind of result had me grinning (but I don’t want one drilling into me just yet, ha!).

Why It’s a Big Deal

Tooth sensitivity is no joke—it hits about one in four adults worldwide. An easy plug solution is way better than constantly changing toothpaste or dealing with temporary gels. If this tech gets commercialized, I’d say dentists—and the rest of us—will have something genuinely better to smile about.

Source:
Times of India (Magnetic CalBots treat tooth sensitivity)