Read the transcript for the video here:

Straight teeth, a flawless smile - a dream that no longer has to be expensive.

For several years now, more and more start-ups have been promising their customers this.

Clear aligners should bring straight teeth in a few months.

One of these companies that sells aligners is PlusDental from Berlin.

Eva-Maria Meijnen, Co-CEO of PlusDental:

We have already successfully treated over 30,000 patients in total and now, at the moment, we are treating around 3000 new patients per month.