Gum Pain

My gums still hurt from where the novocaine was injected. It's not a major pain and I don't think I really need to take any Ibuprofen or anything for it. I just hate that it still hurts. It got me thinking though about how you get a bandaid put on any other time something's injected into you, but not when it's in your mouth. I get that it would be hard to do that, but what's protecting my bloodstream from the bacteria in my mouth? Although I suppose that, since I swallow it so often and it probably goes through my bloodstream at some point, it likely isn't very dangerous. I just don't want to end up with inflamed gums or infected gums. It would be really painful and gross and awkward.
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