She had her teeth removed for a role

Kinuyo Tanaka is a major actress of the golden age of Japanese cinema. In 1958, she played the role of a seventy-year-old woman in the film The Ballad of Narayama. Only forty-eight years old at the time of filming, she agreed to have four dental implants removed to perfect her character, subsequently receiving the best actress of the year award from the newspaper Kinema Junpō.