how does the flashy light the dentists use work?

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I was at the dentistry a week ago and they stitched the top of my mouth after pulling two teeth and exposing the ones under (or I guess over) them. Two days ago they removed the stitches and put two little metal cubes in the injured area (I think it was to stop the bleeding), they called it a word that in English means “buttons” but maybe it’s called something else in English, and when the attached them they used a beeping flashy machine, while using it the covered my mouth with orange glass, maybe to remove blue light?
My question is what was that machine doing?

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Anonymous 0 Comments

The glues and such that they use for filings and braces reacts with uv light to dry. Your mouth being sensitive shouldn’t be exposed to it at that intensity, so thats where the orange guard comes in. It’s probably not a big deal, but especially people with braces that go in often for tuning and replacements, better safe than sorry.

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