My dentist loves my Philishave Sonicare, as does my hygienist. I hope that
they're not wrong about the toothbrush.
Chris
On 24 Feb 2013, at 00:51, Moose <olymoose@xxxxxxxxx> wrote:
>
> All those 'sonic' toothbrushes, and even some labeled 'ultrasonic' in adds,
> vibrate like crazy and scrub stuff off your
> teeth. What they don't do is get down deep, where the bacteria live, and give
> off acid that removes bone. With an
> ultrasonic wave superimposed on the sonic vibrations, the colonies of
> bacteria are broken up, many/most killed and do
> little or no damage. Of course, the survivors multiply and regroup, so you
> gotta break 'em up every day.
>
> I think the Emmi-dent is the only true ultrasonic brush on sale now. Bling
> uses the term, but isn't the real thing.
> Meanwhile, my several Ultrasonex brushes, with now batteries should last me
> many years.
--
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