One thing the beloved actor likely encourages newcomersnotto do is mess with their teeth in service of a role.
De Niro learned that lesson the hard way.
Why didn’t he just wear false ones, we hear you screaming?

Well, De Niro has never done things by halves.
Luckily, De Niro was nominated for Best Actor at the Oscars for his troubles.
However, De Niro’s dental-based commitment may have had lasting consequences.

“He couldn’t believe his luck when it fell out.
An emergency dentist had to fix him up so he could fulfill his function,” a source confirmed.
Max Cady would never.