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Medical Forum / General / Dentistry / February 2005

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Amalgam is NOT safe

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Jan - 26 Feb 2005 03:59 GMT
Neither could Fawks answer my questions, as usual. Time to come clean
Fawks

A repost:

>Subject: Amalgam safety
>From: Steven Fawks tuthjoc...@earthlink.net
>Date: 12/20/2004 1:12 PM Pacific Standard Time
>Message-id: <1fHxd.5427$RH4....@newsread1.news.pas.earthlink.net>

>As most of you know, I do not personally use amalgam (and I have
>not for almost 20 years).  I thought this might be of note.

>A new (as in really new...this year, not 1930 or 1955) report,
>commissioned by federal health agencies and which considered
>950 scientific and medical studies, finds "insufficient evidence"
>to support a correlation between dental amalgam and human heatlth
>problems. This included any relationship with respect to kidney or
>cognitive dysfunction

(as of today Feb. 25, 2005 for the umpteen time I will show that last
sentence to be a LIE, in an upcoming post)

What 950 scientific and medical studies??

(I repeat what 950 scientific and medical studies?????)

(Either answer or once again you will be know as a liar!!!!)

This is nothing but *opinion* which is all the ADA has.

Now let's take a look at Life Science Research Office, Inc.

http://www.gov.mb.ca/itm/financial/

Investing in Manitoba
Industry Consulting
Financial Services Branch
Small Business Development
Mineral Resources Division
Petroleum Branch

Manitoba Trade
       IntroductionThe financial programs managed through the
Department of Industry,
Economic Development & Mines are targeted to help Manitoba enterprises
start
and prosper. The programs range from start-up assistance for small
businesses
to substantial financial leveraging to help attract jobs and investment
into
Manitoba.

Our Objectives

Increasing Access to Capital in Manitoba

The objective of Financial Services is to encourage and facilitate
entrepreneurial and employment opportunities within the Province
through the
establishment of new businesses or the expansion/retention of existing
Manitoba
businesses.

How We Achieve Our Objectives:

The Branch promotes increased access to capital for industry by serving
as a
principal source of financial advice and assistance for businesses to
expand or
locate in Manitoba. In addition to delivery and administration of
financial
programs for the department, the Branch develops and administers a
number of
third party delivered pools of risk capital.

<snip>

It examined the peer reviewed, primary scientific and

>medical literature published from 1996 through 2003 relating to dental
amalgam and human health.

Such as?

>The reviewers included experts in immunotoxicology, immunology and
>allergy; neurobehavioral toxicology and neurodevelopment; pediatrics;
>developmental and reproductive toxicology; toxicokinetics and
modeling; epidemiology; pathology; and general toxicology.

Uh huh.

Proof Please?

(I repeat,,,,,,,,,,,,Proof Please?)

They sure did miss a lot. Who Paid them?

See above to see they are all about $$$$$$$$$.

They must have overlooked the warnings from manufactures of amalgam.

Recently, Caulk Company, manufacturers of Dispersalloy, published the
latest
Materials Safety Data Sheet (MSDS) and their Direction For Use (DFU)
which
includes contraindications to the use of dental amalgam.
(.http://www.caulk.com/MSDSDFU/DispersDFU.html February 1998)

OOOOps, it's gone, what a mystery!

I just happen to still have it.

(don't ya just hate that?)

**** the manufacturers are now acknowledging the intrinsic dangers of
this
material.***** The legal implications of this latest development are
far
reaching. If you continue to use dental amalgam you may be playing
legal
roulette with your assets.

Caulk state that dental amalgam should not be used:
1. In proximal or occlusal contact to dissimilar metal restorations.
2. In patients with severe renal deficiency.

3. In patients with known allergies to amalgam.

4. For retrograde or endodontic filling.

5. As a filling material for cast crown.

6. In children 6 and under.

7. In expectant mothers.

The Caulk Co. home page also warns that mercury may be a skin
sensitizer,
pulmonary sensitizer, nephrotoxin and neurotoxin and, further, cautions
that
the number of amalgam restorations for one patient should be kept to a
minimum.

Caulk has also published the Material Safety Data Sheet (MSDS) for
mercury. Of
particular importance, are some statements made in "Section VIII -
Control
Measures, Inhalation, Chronic: Inhalation of mercury vapour over a long
period
may cause mercurialism, which is characterized by fine tremors and
erethism.
Tremors may affect the hands first, but may also become evident in the
face,
arms, and legs. Erethism may be manifested by abnormal shyness,
blushing, self
consciousness, depression or despondency, resentment of criticism,
irritability
or excitability, headache, fatigue, and insomnia. In severe cases,
hallucinations, loss of memory, and mental deterioration may occur.
Concentrations as low as 0.03 mg/m3 have induced psychiatric symptoms
in
humans. Renal involvement may be indicated by proteinuria, albuminuria,

enzymuria, and anuria. Other effects may include salivation,
gingivitis,
stomatitis, loosening of the teeth, blue lines on the gums, diarrhea,
chronic
pneumonitis and mild anemia. Repeated exposure to mercury and its
compounds may
result in sensitisation. Intrauterine exposure may result in tremors
and
involuntary movements in the infants. Mercury is excreted in breast
milk.
Paternal reproductive effects and effects on fertility have been
reported in
male rats following repeated inhalation exposures."

Ivoclar/Vivadent go further in their contraindications. They state that
their
amalgam is:

1. Not only contraindicated for expectant mothers but also for nursing
mothers.

2. Not only contraindicated for patients with severe renal deficiency
but for
all

patients suffering from any reduced kidney function.

The Australian Dental Association is now in a difficult, if not
untenable,
position. The prevailing ADA position is that patient exposure to
mercury from
amalgam dental fillings is medically insignificant. At the same time
major
amalgam manufacturers are exhibiting public warnings.

All dentists must now acknowledge the contradictions between ADA policy
and
amalgam manufacturers' public warnings.

Medico-legally, the dentist who ignores manufacturer's public warnings
places
himself/herself in a precarious position. Dentists are obliged to be
familiar
with the information provided in MSDS's for the products they use and
if
patients suffer ill effects from the product being used in a way which
is
contrary to the manufacturer's directions, then the dentist may be
liable for
the consequences. In this situation it does not matter what the
Australian
Dental Association says, as it is the dentist who will be held
responsible. You
may be interested to know that the American Dental Association has
recognised
such a possibility and in a recent case petitioned the court to release
it from
a suit filed jointly against a dentist and the AmDA,. The AmDA claimed
that it
owed no responsibility for the advice being given. The court granted
the
petition, which left the dentist, who had relied on AmDA advice, as the
sole
defendant. It is little comfort that you may be insured.

All dentists must be aware of the potential adverse effects of mercury
exposure
and must also be attentive to the potential effects in pregnant females
and
nursing mothers. Before placing another amalgam filling, a dentist
might be
well advised to establish that the patient has normal kidney function.
It is
not clear whether taking a medical history will suffice or whether a
kidney
function test might need to be requested. The galvanic effect created
by
placing different metals in a mouth with amalgam fillings has the
potential to
increase mercury release from all amalgam fillings. This also has
implications
not generally considered when placing stainless steel orthodontic
appliances in
a patient with amalgam fillings. The use of metal pins with amalgam may
need to
be reconsidered. If amalgam is contraindicated in a six year old, the
next
question must surely be - at what age is amalgam safe? The scientific
research
shows clearly that mercury is toxic to all people, at all levels. The
Agency
for Toxic Substances and Disease Registry in the USA lists mercury as
one of
the twenty most hazardous substances to human beings. The ATSDR's
current
allowable Minimal Risk Levels (MRL) for acute exposure are 0.02 mcgm/m3
and for
chronic exposure 0.014 mcgm/m3. Compare this with published research,
indicating amalgam mercury vapour concentrations in the mouth, as high
as 87.5
mcgm/m3. The absorption rate of inhaled mercury vapour is extremely
high,
approximately 80% of the inhaled dose, reaching the brain tissue within
one
blood circulation cycle. The toxic threshold for mercury vapour has
never been
found. Even the US Environmental Protection Agency has so stated. The
existing
occupational standards are all specifically declared to be estimates
only on
the appearance of clinically observable signs and symptoms. The World
Health
Organisation, in 1991, made it clear that there is NO safe level of
mercury
vapour and that amalgam represents the greatest source of mercury to
the
general population.

The spectre of potential liability for adverse effects from dental
amalgam is
now a reality.

ASOMAT recently made a 4 page submission to the Federal Executive of
the
Australian Dental Association offering confidential background
briefings about
the latest research to all Executive members and any other officers or
committees. ASOMAT's submission was conciliatory and asked for the
lines of
communication to be opened so that the ADA could stay informed about
ALL the
research. Our offer of cooperation was peremptorily rejected.

Any dentist faced with patients wanting the removal of amalgams from
their
mouths should note that specific protocols exist for the safer removal
of
amalgam. Unless you are familiar with these protocols, it is not
recommended to
proceed with the wholesale removal of dental amalgam. You may create
more
problems than you solve.

It would be appropriate for you to contact your insurer and ask the
specific
question..." If I use amalgam contrary to the specific warnings and
contraindications stated by the manufacturer and my patient suffers
effects
known to be associated with mercury exposure, will you cover me fully
for my
legal costs and any damages in the event that the patient sues me? "
Whatever
the answer, get it in writing!

ASOMAT's concern has always been that dentists and patients be fully
informed.
We are very worried that the profession is badly prepared to deal with
these
quickly changing circumstances, especially in light of a recent press
conference in Sweden on the 19th February 1998. At that time the
Swedish
Council for Planning and Coordinating Research, a body commissioned by
the
Swedish Government to review the literature on amalgams, stated the
following..
"Mercury from amalgam may damage the brain, kidneys and the immune
system of a
great number of people. The effects in foetus and children are of most
concern." Those are the conclusions of a report soon to be handed to
the
Government. "There is no conflict any more", says Gunnar Goude from the
board
of the Swedish Council for Planning and Coordinating Research (FRN),
after
reviewing the comprehensive documentation from the four seminars.
"There is
total agreement among the Board members that it is time to move forward
and
leave amalgam
NOYB - 26 Feb 2005 04:24 GMT
 
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