Yes I believe what Guido found is, in fact, the Roberta Pedon we all remember.
It becomes much more apparent if you look up the video, which is called Oper Rekord diario di viaggio di Roberta Pedon.
I know articles about her list her as having "died" in 1982. But I believe she faked her death to move on from modeling.
Oh, if only our old friend on here Pedonbio were still posting (where are ya, buddy?). I'm sure he'd be elated to know Roberta lived (although maybe he knew).
But yeah, I knew that mouth & those teeth the moment I saw: