Re: Amalgam machines

From: Dr. Steve (dr.steve._at_.m.a.n.c.u.s.o.d.d.s.com)
Date: 09/05/04 

Date: Sun, 05 Sep 2004 14:35:39 GMT

If the ratio of Hg to powder is low,,,,,,,,,,,,,, the mix comes out dry and
cannot be packed into the hole. If there is too much Hg in the mix, it will
be too liquid and again will not be able to pack into the hole. What you
are describing does not happen. If the ratio of Hg to powder is off, the
mixture cannot be used. If it is off a tiny amount, the properties are not
effected in any measurable way. 

-- 
+=_-+=_-+=_-+=_-+=_-+=_-+=_-+=_-
Stephen Mancuso, D.D.S.
Troy, Michigan  USA
.dr.steve@man.cuso.d.d.s.com.
~~~~~~~~~~~~~~~~~~~
"Clinton C Zimmerman" <clintonz@prodigy.net> wrote in message >
>> > I guess you can spray half the mercury out of a capsule and still be
>> > assured of
>> > having a safe and durable stable restoration
>>
>> Don't think so.... if that were true, they'd be reducing the [] of Hg in
>> the packaging to even lower than it is now. If this happens alot, we
>> will see it on recall exams. I would think it would look like pitted Am
>> restorations. Either that or the Am would have cracked or worn quickly.
>> The point is that this is supposed to be a stable lattice work with
>> precice [] of each ingredient to make it a stable crystal.
>> just speculat'n
>> SP
>
>
> I not sure if I understand you correctly. However it seems that in
> a prepackaged capsule x amount of Hg is mixed with x amount of other
> material. The most stable mixture is 50/50. If less than that is
> mixed say 25/50 then that could result in an extremely unstable mixture in 
> time,
> not necessarily the day you walk out the office.

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