Original sentence: Very weak currents have been measured in the mouth of those with multiple dental fillings consisting of different alloys, but there was no association between presence of current and symptoms, and any symptoms associated with currents between oral fillings are likely to be psychosomatic in nature
Edited sentence: Very weak currents have been measured in the mouth of those with multiple dental fillings consisting of different alloys, but there was no association between presence of current and symptoms,(utter nonsense)  and any symptoms associated with currents between oral fillings are likely to be psychosomatic in nature