In the first episode of the show, bullies insult Justin’s toothless grin but he quickly snapbacks stating “his teeth … He stars as Dustin Henderson in the Netflix science-fiction drama series Stranger Things. He began his career on the Broadway stage as Benjamin in Priscilla, Queen of the Desert, and as Gavroche in Les Misérables. #toothless,” he captioned an Instagram selfie in 2016. Matarazzo was born in Little Egg Harbor Township, New Jersey. These teeth are fake. Gaten John Matarazzo III (born September 8, 2002) is an American actor. Fans of the show may have noticed that Dustin appears to be missing his front teeth. “Stranger Things” star Gaten Matarazzo said Friday that the surgery he underwent this week was to remove 14 extra teeth, and that the four-hour procedure went well. 15 year old Gaten Matarazzo plays the lovable, Dustin Henderson in the hit series Stranger Things. Stranger Things’ Gaten Matarazzo Getting Surgery for His Rare Bone Disorder: ‘This Is a Big One!’ The 17-year-old has cleidocranial dysplasia, which affects the growth of his bones and teeth Gaten Matarazzo, Actor: Stranger Things. Though his character is missing his front teeth in Season 3 (probably to keep with the continuity of the series), IRL Gaten now has pearly whites … and he’s not shy when it comes to showing them off. Gaten Matarazzo is on the mend. The 17-year-old actor has been open about living with cleidocranial dysplasia, a rare genetic disorder that affects the growth of teeth … Matarazzo — who can also sing like an angel — had surgery that pulled his teeth down. On Friday, shortly after undergoing a fourth surgery for his cleidocranial dysplasia, a rare genetic disorder that affects the… “Just letting you guys know.