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A comment on Goldman Sachs questions whether curing patients is a sustainable business model. Parent comment

Re:Goldman Sachs questions whether curing patients is a sust... by 2FC00C733A55 on Friday April 13, 2018 @10:29AM (#16830294)
I used the same toothbrush for a year. Is this bad? How do you know when to replace it?
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Re:Goldman Sachs questions whether curing patients is a sust... by kevmo on Friday April 13, 2018 @10:50AM (#16830476)
- when you're sick

- when the bristles become less stiff (i.e. signs of wear)

- or every 3 months

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