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What is Polysulfide Impression Materials Overview about?
Polysulfides are elastic impression materials used for crowns, bridges, inlays and partial dentures. They are available as a 2-paste system consisting of a base paste and catalyst paste, which are mixed together to undergo a setting reaction. This reaction involves the terminal thiol groups of the base paste reacting with the lead dioxide in the catalyst paste through chain extension and cross-linking to form the elastic polysulfide material. Polysulfides have advantages of low cost, long working time and f
- Author
- Asfand Yar
- Language
- EN