What's the differencr between UV resin used for crafts, the one used in 3d printers, the one used in nails and the one used in our teeth by dentists?
8 months ago by MissJinx to c/asklemmy
Why do I have to use all possible different protection equipment (gloves, masks, ventilation and glasses) when printing in resin, but then people put uv resin directly in their fingers? And what about the ones that go in people's mouths? It has to be different right?!
Also didn't even asked about kids TOYS, it wouldn't be a thing if UV resin was so dangerous, right? RIGHT?
another relevant comparison is why it's OK for you to get irradiated by the xray machine but the technician goes and hides behind the wall. you're getting it done once today, the technician is doing it 50 times a day 3-5 days a week (or more depending on cost of living in the area 😉). You'll notice a lot of those nail techs and dental professionals are also wearing respirators while applying product to their clients and patients. wear your ppe.
It sounds like you're looking for a reason to skip PPE when printing in resin.
I implore you to put up with it. It's not really the resin itself that's dangerous, its the volitile organic solvents that they're mixed with. Long term exposure is bad news. After washing and curing, the volatiles are no longer present in hazardous amounts on the part.
No that's not.it! hahaha My niece sent me a picture of her nails and I thought "she is going to put this on her mouth, is it safe?" and then I remembered about dentist resin
I don't donit without ppe, I already had an episode where some fell in my leg and I did got a reaction so I know :)
You might find this interesting https://dental.formlabs.com/materials/
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Dental stuff has been tested to ensure they're biocompatible, but we still warn team members not to touch unset product even with gloved hands too much. Dentists who have a habit of wiping excess resin on the back of their gloved hands have developed contact dermatitis. Once fully cured, it is unreactive.
Fingernails are pretty inert, so it's not as important. They're still tested to ensure they're not poisonous if ingested, as folks have a tendency to bite their nails.
Exposure time, vapours, biocompatibility, volume - all of these add up to make 3d resin printing pretty hazardous. Even dental 3d printing resins require this level of safe handling, until they're fully cured.
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