Are you sure the shape of the frets is the cause of the buzz?
The fret profile is quite subtle. Unless you are very confident indeed I would advise you against taking a file to your frets. My practical skills are almost non-existent and I know I would make the situation worse. I would go to a professional.
Best regards, V
"There are only two things worth aiming for, good music and a clean conscience." Paul Hindemith