> In any event, I'd like to think our paleo ancestors
> used Soniccare too :-)

Maybe they hummed while they brushed :)

> Or
> perhaps they used a sharpened stick as Todd pointed
> out!

I understand some primitives chew on twigs until they
get a fibrous "pulp" at the end, and then brush with
it. The original "disposable" toothbrush. (Don't ask
for references. I remembered that little piece of
trivia from a class I took in high school - ack it the
dark ages :)


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