Oh dear, what happens if one of those electric chopsticks touches one of one's tooth filling? Anyone who has had the unfortunate experience of accidentally che

Oh dear, what happens if one of those electric chopsticks touches one of one's tooth filling? Anyone who has had the unfortunate experience of accidentally chewing a bit of aluminum foil will know what I mean - pain arising from even the minutest ionic charge produced by the foil can be excruciatingly painful. Perhaps these chopsticks should come with a warning about not using them if you've a mouth full of fillings.