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dental chemistry

dental chemistry - DENTAL CHEMISTRY $60 billion DENTAL...

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1 DENTAL CHEMISTRY $60 billion GUM DISEASE TOOTH DECAY DENTAL DISEASE Van Leewenhoeck (1683)
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2 PLAQUE LACTIC ACID S. mutans Plaque S.mutans + glucans TOOTH DECAY Ca 5 (PO 4 ) 3 OH 5 Ca +2 + 3 PO 4 -3 + OH - H 2 O H +
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3 1980 200 million Today <75 million DENTAL FILLINGS
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4 Dr Taveau Hg + Ag (1826) Middle Ages Pb - Non Toxic - Malleable - Inert - Strong AMALGAM DENTAL ALLOY + MERCURY Dr. Greene Black ZINC 0-2% COPPER 0-6% TIN 25-23% SILVER 69-75% DENTAL ALLOY
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5 AMALGAMATOR MINAMATA 1950s' "60 Minutes" 1990
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6 Dr Vimy 6 sheep with 12 dental fillings each Hg Kidneys Brain Fetus Sheep not an appropriate model. No correlation, in human studies, between amalgam fillings and detrimental health effects. Dentists have better health status than the population at large. True allergic reactions <1% No evidence of significant risk. Minimize use in children and pregnant women.
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7 Hg + Se Hg(Se) Amalgam CREMATION 20+ YEARS $1000 GOLD 15 YEARS $500 CERAMIC 5 YEARS $150 COMPOSITE 25 YEARS $100 AMALGAM LIFESPAN COST X-RAYS A full set of dental x-rays (ca. 14- 18 images) is equivalent, in
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