Lucerne, Switzerland

About us

A letter from Leon Schmidt, founder of SonicSmile.

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It started in Lucerne with a simple question: why is cleaning your aligner or retainer every day such a hassle?

Millions of people wear aligners, night guards or retainers. And almost all of them clean them the same way: with a toothbrush, a tablet in a glass of water, or a quick rinse under the tap. It sort of works – but it was never really thought through.

I couldn't let it go.

From idea to Sonic One

The answer lay in a technology that dental practices have relied on for years: ultrasound. It cleans where no brush can reach – thoroughly, yet gently.

My idea was to bring exactly that into people's homes. Not as a complicated lab device, but as something you use every morning without thinking twice: put your aligner in, press the button, done.

From there, it was all about the details. How big should the device be? How long should a cleaning cycle take? How should it feel, so you're happy to keep it next to your sink? Together with experienced manufacturing partners, those answers became the Sonic One, step by step.

From the very beginning, my goal was never to pack as much technology as possible into one product. Above all, it had to be one thing: easy to use and genuinely useful in everyday life.

From practice to practice

A good product alone isn't enough. I wanted to know whether it would also convince the people who know teeth and aligners best.

So I set off – on my own, with a few devices in my bag. Starting from Lucerne, I visited more than 250 dental and orthodontic practices across Switzerland and Germany. No appointments, no sales team – just asking at the front desk whether someone had a minute.

I spoke with dentists, dental hygienists and dental assistants. I wanted to know what they recommend to their patients, what bothers them about existing solutions – and what they think of the Sonic One.

Some had two minutes, some half an hour. Many were critical, some were thrilled. But almost every conversation taught me something that is still part of SonicSmile today.

From Lucerne to the world

A simple question and countless conversations in dental practices have since grown into SonicSmile – a brand for modern oral care.

Our roots are in Switzerland. And the way it all started has stayed with us: listening, questioning, and making things better instead of simply copying what already exists.

Because for me, good products aren't made at a desk. They're made where you truly understand real problems – and are determined to find a better solution.

That was the idea behind SonicSmile. And it still is today.

Questions, feedback, or an idea that would make us better? Write to me directly: info@sonicsmile.shop