>The 14 December 1886 issue of the Arizona Gazette reports:
>
>"The tartar which so generally accumulates at the back of the teeth,
forming oft
>en a thick crust, may speedily and effectually be removed by brushing
it with a
>soft brush dipped in fresh flour of brimstone. After a few
applications the tart
>ar will crumble away."
>
>Yikes, sounds rather unpleasant. Any guesses what "flour of brimstone"
would be?
> (Baking soda???
 
I would guess that Flour of Brimstone woul be a finely ground pumice
such as they use in toopthpaste today.
 
 
 
William E. Allen, M.P.H., M.Ed
University of Medicine and Dentistry of New Jersey
New Jersey Dental School
V. 201-982-4627
fx. 201-982-2916
E-Mail [log in to unmask]