amalgam excellent handling properties high strength,expansion,durable,direct technique cheap ease of...
TRANSCRIPT
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Amalgam
•Excellent handling properties •High strength,Expansion,Durable,Direct technique•Cheap •Ease of useDamages human health?—Toxicologically? Galvanic action? Hypersensitivity Environmentally a disaster
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Composition of amalgam
• 50% Mercury
• 35% Silver
• 13% Tin
• 2% Copper and Zinc
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First concerns over amalgam toxicity
• Mercury as a chemical component
• Galvanic actions
• Hypersensitivity to amalgam
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Mercury release from dental fillings
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Tissues uptake of mercury from dental fillings.
What tissues are affected
All of them
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International research concluded
“ Mercury from restorations constitutes the largest non occupational source of mercury in the general population, being greater than all environmental sources combined.”
W.H.O. environmental health criteria
Inorganic mercury 1991.
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Pathophysiological consequences
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Revision !
• Homeopathic mercury what do we know about the proving
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Should we remove amalgam .
THE CONUNDRUM
• Patient selection
• Patients request
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Removal and safe protocol.
• Diet
• Remedies
•Dental technique
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Perhaps a thousand years on from now historians will draw a similarity between the chronic lead poisoning of the Roman Empire and the insidious mercury poisoning from amalgam fillings.