dental chemistry

dental chemistry - 1 DENTAL CHEMISTRY $60 billion GUM...

Info iconThis preview shows pages 1–7. Sign up to view the full content.

View Full Document Right Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: 1 DENTAL CHEMISTRY $60 billion GUM DISEASE TOOTH DECAY DENTAL DISEASE Van Leewenhoeck (1683) 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 + 3 1980 200 million Today <75 million DENTAL FILLINGS 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 5 AMALGAMATOR MINAMATA 1950s' "60 Minutes" 1990 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. 6 Dr Vimy 6 sheep with 12 dental fillings each Hg Kidneys Brain Fetus Sheep not an appropriate model....
View Full Document

This note was uploaded on 08/08/2009 for the course BIOL 202 taught by Professor Y during the Spring '09 term at McGill.

Page1 / 27

dental chemistry - 1 DENTAL CHEMISTRY $60 billion GUM...

This preview shows document pages 1 - 7. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online