Addition silicones

By Dr.Swathi Pai on Thursday 11 December 2008 with 0 comments



6 advantages:

  1. accurate

  2. good for undercuts

  3. multiple pours and delayed pours possible

  4. superior dimensional stability

  5. pleasant odor

  6. low permanent deformation upon removal

3 disadvantages:

  1. set can be inhibited by latex gloves

  2. some brands release Hydrogen after setting (however, newer materials have hydrogen absorbers like Pt & Pd)

  3. it’s expensive


Contents:

-base: silicone with silane & an inert filler

-accelerator: silicone with vinyl + chloroplatinic acid + filler

Category: Prosthodontics Notes

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