HealthGlobal issuesAligners — be careful where you get them from!To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoHealthGlobal issuesJulia Richter09/05/2025September 5, 2025Clear aligners promise straight teeth and a perfect smile. They're available from dentists or online — but which options are safer and more effective?https://p.dw.com/p/4zZBpAdvertisement