Concavities and Extrusion - Invisalign Mini Course 6 of 8

Dear Doctor! This is the sixth appointment with the Invisalign Mini Course. Aligners are very good at pushing, but very bad at pulling teeth. For this reasons, in clear aligner orthodontics you need a concavity to be able to extrude teeth. Check out this video if you want to know what I'm talking about! ★☆★ CONNECT WITH PURPLE ORTHO ON SOCIAL MEDIA ★☆★ WEBISTE ----- www.purpleortho.com LINKEDIN ------   / 14058105   Facebook -------   / purpleortho   SoundCredits jazzfrenchy from bensound