Condensation silicones:

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



3 advantages:

  1. moderate strength

  2. pleasant odor

  3. low viscosity

2 disadvantages:

  1. largest dimensional change (0.6% shrinkage after 1st hr.)

  2. gives off ethyl alcohol as a by-product


Contents:

-base: dimethyl siloxane + 35-75% fillers

-accelerator: alkyl silicate + tin octoate

Category: Prosthodontics Notes

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