Any idea if it would generate HgO or Hg2O? The HgO is slightly soluble,
about the same as silver oxide, but the Hg2O is completely insoluble. If
the second one is formed, then the effect might be to actually decrease
any mercury transport out of the fillings.
Marshall
Brooks Bradley wrote:
Dear Sharlene,
We have no evidence (our research group) that H202 causes a release of
mercury from dental amalgams. Do remember, H202 exhibits a principal
reaction which is, essentially, one of oxidation. Mercury does,
without assistance from other substances....sublimate (change directly
from a solid to a gas) at a rate dependent upon several factors (e.g.
acid concentrations in the oral environment, chemical compounds which
act as solvents on the silver/mercury amalgam, etc).
I cannot say, conclusively, that H202 is TOTALLY benign in this
regard.....but I have been using it continually, twice daily, over the
immediately-past 40 years and have yet to exhibit any signs of mercury
toxicity. If one were to use multiple teaspoons of the higher
concentrations... circumstances might evolve that would accelerate
mercury-release reactions.
However, do understand that one is applying a very small amount of
H202, primarily on the front side of of the exposed upper
teeth.....not on the very large area of epithelial tissue of the mouth
and gums.
I am not recommending that anyone use the higher concentrations of
H202, I just outlined the effectivity of such in our experimental
research.
The principal insult threat from higher concentrations of H202
manifest in nature as a
danger of "tissue burn" (oxidation) to the skin exposed
surfaces....rather than dissolution actions on the silver/mercury
amalgam (which is, actually, rather stable chemically).
My apologies for being unable to supply a more simple/conclusive
answer to your question, but there are, simply, too many variables
possible to allow coverage of all eventualities.
Sincerely, Brooks Bradley.
---------[ Received Mail Content ]----------
*Subject : *Re: [RE]CS>Teeth whitening
*Date : *Tue, 14 Apr 2009 16:04:45 -1000
*From : *Sharlene Miyamura <[email protected]>
*To : *[email protected]
Mr. Bradley:
Would the higher concentration or for that matter, any
concentration of H202
cause a leachng of mercury from amalgams?
Thanks much,
Sharlene
On Mon, Apr 13, 2009 at 4:13 PM, Brooks Bradley wrote:
> Hello Dee,
> In answer to your question......We have utilized H202 in
concentrations
> beyond 16%----for whitening effects on teeth....with minor, but
sometimes
> irritating effects. In at least 80% of the volunteers utilizing 16%
> H202-----tissue-burn was evident by the whitened skin surfaces
(even though
> only the outer tissue level was involved). In a majority of
these cases some
> discomfort did manifest....but no scarring evolved. At 12% the
local
> "heating effect" was
> noticed by ALL participants, but presented as a distinct
irritation in only
> about 20% of these researchers. At 9% none of our volunteers
experienced any
> "distinctive discomfort", whatever, but the sudden onset warming,
> momentarily, caused some of them concern. Everyone using 6%
achieved
> excellent results and at much higher speed....than at
3.5%----but I wanted
> to err on the side of caution.....that is why I limited my
recommendation to
> the lower concentration. Besides, 3.5% is very easily obtained
from any drug
> store in the U.S....higher concentrations are not nearly as easy
to find at
> the more convenient retail outlets.
> I might add an explanatory comment that could prove
useful....SOMETIMES,
> among a population of persons presenting with various stages of gum
> insults---using even 3.5% concentration----(many are not even
aware of such
> conditions), do experience some rapid-onset stinging discomfort
(usually
> quite short-lived).
> This condition evolves as a result of the accelerating effects
of the
> oxygen's heat-releasing effects upon encountering an anaerobic
debris-field,
> or low-grade infectious insults. It is nothing to cause major
concern, but
> is, many times, quite unexpected.
> If one does choose to employ 9% strength H202, it would be
advisable to
> have a glass of plain water handy----for dilution, just in case
they desire
> rapid quenching of the oxidation reaction occurring within a
pronounced
> anaerobic tissue field----or even a very tender area. If one
does, actually,
> incur the "bleaching effect" (actually, the white-appearing
tissue is a
> minor tissue-burn and will require a day or two before it
sloughs off and is
> replaced by new tissue), it is, as a matter-of-course, usually
> self-correcting.
> I apologize for such a lengthy response...but few individuals
among the
> general population appear to possess an adequate knowledge of the
> properties/effects of H202....especially at strengths beyond 3.5%.
> I hope these comments prove helpful. Sincerely, Brooks.
>
>
>
>
>
>
>
>
>
>
> ---------[ Received Mail Content ]----------
>
> *Subject : *CS>Teeth whitening
>
> *Date : *Sun, 12 Apr 2009 15:43:44 +0100 (GMT Standard Time)
>
> *From : *"Dee Fitzpatrick"
>
> *To : *
>
>
>
> Hi Brookes. I am trying your formula of H202 plus DMSO for teeth
whitening.
> The only thing is, over here in the UK the only H202 we can get
over the
> counter is 9%. Would I need to dilute this before adding the
DMSO? Many
> thanks in advance. Dee
>
> Dee -- The Silver List is a moderated forum for discussing
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