Film on denture

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My lab has recently run into a problem of having a thin white film produced on the cooked dentures after boiling over night. Any ideas on what could have caused this and how to get rid of it? Were not using anything new in our packing process either.
 
Flipperlady

Flipperlady

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I'm blaming everything on separator today:)
 
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kytoothdude

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check your processing temp. knob could have been nudged.
 
AJEL

AJEL

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A white film, try a flipper test, or a baseplate with 1 tooth stuck on it if the film continues cut the flipper slicing it thru a tooth. If the film is detected under the tooth (ie the bond between tooth & pmma). I would check the
1. expiration date of your monomer,
2. the ratio the technician is mixing powder & liquid. (possibly to much liquid)
3. the mixing jar , if there has been siloxane contamination.
4. double check on the cleaning agent, tech might have grabbed something different.
 
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