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Posted by kfvorwerk@gmail.com on August 8, 2008, 7:37 am
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> Larry Jaques wrote:
> > Harold pinged me offline and pointed out that if you torch a gold
> > crown with the tooth still in it, it may offgas mercury vapor. Some
> > teeth were filled with amalgam before crowning, as he pointed out.
>
> > Heads up, guys. =A0We don't want to lose any of you.
>
> > --
> > =A0 =A0 =A0Instant Gratification Takes Too Long!
> > =A0 =A0 =A0-------------------------------------
>
> Amalgam fillings are always removed before a tooth is crowned.
>
> The reason that an amalgam filled tooth gets a crown in the first place,
> is mostly, that there is new decay around or even under the filling, so
> the tooth has to be cleaned and the amalgam is removed to make place for
> either an inlay, overlay or a full crown. =A0You cannot prep a tooth
> properly for a crown, with the amalgam still in place.
>
> It not necessary to put a torch to a tooth with a crown still on it.
> Since the tooth has already been extracted, it will have become brittle
> rather rapidly, because it is no longer fed by blood vessels and nerves.
> =A0 Just take a pair of pliers to it, and it'll break in pieces quite eas=
ily.
>
> BTW, before I became a goldsmith, I spent three years in dental school
> at the university of Amsterdam trying to become a dentist.
>
> --
> Abrashahttp://www.abrasha.com
I like your work.
Karl
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> crown with the tooth still in it, it may offgas mercury vapor. Some
> teeth were filled with amalgam before crowning, as he pointed out.
>
> Heads up, guys. We don't want to lose any of you.
>
> --
> Instant Gratification Takes Too Long!
> -------------------------------------