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Dentifrices<br />
11/9/10 2:02 PM<br />
In the beginning…<br />
• A little history on toothpaste<br />
o Earliest ref = 4 th century<br />
! Iris flowers, strawberries, bones<br />
o 18 th century<br />
! Burnt bread, charcoal, dragons blood, cinnamon, burnt<br />
alum<br />
Early Dentifrices<br />
• Toothpowders<br />
o 1 st on market for general use in 19 th century<br />
o primarily water, soap, flavor<br />
o home versions: chalk, pulverized brick, salt<br />
o pulverized charcoal also recommended for use<br />
o many of these did more harm than good<br />
• Toothpastes<br />
o Became available thanks to lead packaging<br />
! Plastic was used after WWII<br />
! Pump introduced in 1984 by Colgate<br />
! Separate stripes by Lever Bros (still used by some)<br />
! Mentadent used separate chambers for H 2 O 2 and baking<br />
powder – mostly a gimmick<br />
o Fluoride first added in 1914<br />
! 30’s ADA said not good<br />
! 50’s they changed and said it was good<br />
o By 1970: $355 million market<br />
! By 2012 expected to reach $12.7 billion worldwide<br />
• Dentifrices today: Powders, Pastes, Gels<br />
o Gels and pastes use same ingredients<br />
o Gels have more thickening agents vs pastes<br />
o Both equally effective<br />
What’s in Toothpaste?<br />
• Fluoride<br />
• Abrasive (20-40%)<br />
o Types
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