[net.med] biting aluminum foil

panos@utcsri.UUCP (Panos Economopoulos) (11/22/85)

--------------

Anybody knows what causes this strange feeling when
one bites aluminum foil? (of course, by mistake!!)
That can happen if, for example, you are eating a sandwich
wrapped in aluminum and you are TOO hungry :-)
The strange sensation at the teeth has something to do with existing fillings?
Or not? Is it a chemical or electrical phenomenon?
-- 

					Panos Economopoulos

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jca@drutx.UUCP (ArnsonJC) (11/25/85)

	The foil acts as an electric conductor between your
fillings.  Your saliva is a mild electrolyte solution and therefore
helps pass the "current" along.  Therefore the strange sensation.
-- 
		jill c. arnson
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meister@linus.UUCP (Phillip W. Servita) (11/26/85)

>Anybody knows what causes this strange feeling when
>one bites aluminum foil? (of course, by mistake!!)
>That can happen if, for example, you are eating a sandwich
>wrapped in aluminum and you are TOO hungry :-)
>The strange sensation at the teeth has something to do with existing fillings?
>Or not? Is it a chemical or electrical phenomenon?


   Aluminum + mercury (from fillings) + salt water (electrolyte) = battery.

   i dont remember what the voltage produced is.

                                      

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jcp@osiris.UUCP (Jody Patilla) (11/27/85)

> Anybody knows what causes this strange feeling when
> one bites aluminum foil? (of course, by mistake!!)
> That can happen if, for example, you are eating a sandwich
> wrapped in aluminum and you are TOO hungry :-)
> The strange sensation at the teeth has something to do with existing fillings?
> Or not? Is it a chemical or electrical phenomenon?
> -- 

	My dentist told me that this is an electrical phenomenon caused
by the interaction of metal in your fillings, acid in your saliva and
the metal foil.

-- 
jcpatilla

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keithd@cadovax.UUCP (Keith Doyle) (11/28/85)

In article <66@linus.UUCP> meister@linus.UUCP (Phillip W. Servita) writes:
>>one bites aluminum foil? (of course, by mistake!!)
>>Or not? Is it a chemical or electrical phenomenon?
>
>   Aluminum + mercury (from fillings) + salt water (electrolyte) = battery.
>
It would then be an 'electro-chemical' phenomenon.

Keith Doyle
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