Shaun Weiss -- famous for playing Goldberg in "The Mighty Ducks" -- is looking like a million bucks ... 'cause he's got brand new pearly whites and he's now over 200 days sober!!!
Shaun's friend, Drew Gallagher, tells TMZ ... Shaun received some full dental sponsorship offers from all over the country after we posted Shaun's story about being 170 days sober ... but needing new chompers.
We're told Shaun ultimately decided to go with Dr. Gabe Rosenthal in L.A., who offered a full dental sponsorship valued between $50k-$100k.