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wedrifid comments on Rational Toothpaste: A Case Study - Less Wrong
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In some sort of formal way? Not currently. The VoI seems low. The potential for optimisation that most interests me here is the water pick that Kevin has been mentioned. Do you know anything about those?
No. I'd actually never heard of them before. I looked quickly at Wikipedia and one of the claims struck me as equivocal - it may be better at reducing bleeding than flossing, but it's only as good at the actual anti-plaque cleaning?
I just did a brief look at the easily accessible abstracts that I could find and got the impression:
Oral irrigator + electric brush > Oral irrigator + normal brush > flossing + electric brush > flossing + normal brush > normal brush.
I'm not sure to what degree publication bias applies.