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Author Topic: Why does foil touching a tooth filling taste strange?  (Read 4217 times)

Daniel Migneault

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Daniel Migneault  asked the Naked Scientists:
   
Hi,

We would like to know what causes the weird sensation we get when we (accidentally, we assure you) get foil in our mouth and it touches our tooth fillings.

Thanks for your help,

Julie and Daniel
Gatineau, Canada

What do you think?


 

Offline lightarrow

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Why does foil touching a tooth filling taste strange?
« Reply #1 on: 04/02/2009 08:23:48 »
Daniel Migneault  asked the Naked Scientists:
   
Hi,

We would like to know what causes the weird sensation we get when we (accidentally, we assure you) get foil in our mouth and it touches our tooth fillings.

Thanks for your help,

Julie and Daniel
Gatineau, Canada

What do you think?
A little current passes through your tooth nerve, because of Volta Effect:
http://en.wikipedia.org/wiki/Volta_potential
http://ppp.unipv.it/Collana/Pages/Libri/Saggi/Nuova%20Voltiana3_PDF/cap5/5new.pdf

The current in the nerve is perceived as displeasing/pain.
« Last Edit: 04/02/2009 08:25:29 by lightarrow »
 

Offline thedoc

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Why does foil touching a tooth filling taste strange?
« Reply #2 on: 10/02/2009 19:02:36 »

 

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