Which disease does Gaten Matarazzo, an actor from the American TV series "Stranger Things" have?

Gaten Matarazzo (born September 8, 2002) is an American actor and singer. He began his career on the Broadway stage as Benjamin in "Priscilla, Queen of the Desert" and as Gavroche in "Les Misérables". He stars as Dustin Henderson in the Netflix science-fiction-horror drama series "Stranger Things", and hosts the Netflix show "Prank Encounters". He is also the lead singer of the indie rock band "Work In Progress".

Matarazzo was born with cleidocranial dysostosis, which he has spoken openly about, even documenting one of his surgeries, during which 14 supernumary teeth were removed, on Instagram. After he was cast in "Stranger Things" as Dustin Henderson, the character's background was modified to have the condition as well. He uses dentures.