Could we use bacteria for oral hygiene?

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Offline thedoc

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Could we use bacteria for oral hygiene?
« on: 01/04/2016 12:50:02 »
mobakeng.ruth  asked the Naked Scientists:
   Good morning Dr Chris
There are a few questions that I would like to ask you: I did pharmaceutical chemistry but I still just don't seem to have answers to these blanks.
Is there a bactericidal agent that can be used for oral hygiene. Something one can actually swallow without getting any bad effects out of it after a long time?

The last question is: If one uses a metered dose inhaler, and impregnated the gas with small particles that aren't intended to be adsorbed in the lungs, would it work? If the MDI is intended to have a local oral effect without passing through the airways, would the particles settle at the intended area. What is the size of particles that are heavy enough not to pass through the airways but small enough to can pass through  the orifice of an MDI.
Thanks a lot.
Kind Regards,
Ruth  Phaladi

What do you think?
« Last Edit: 01/04/2016 12:50:02 by _system »