The effect of alginate impressions on the surface of cast gypsum. II. The role of sodium sulphate in incompatibility.

@article{Jarvis1981TheEO,
  title={The effect of alginate impressions on the surface of cast gypsum. II. The role of sodium sulphate in incompatibility.},
  author={Robyn Jarvis and Richard Earnshaw},
  journal={Australian dental journal},
  year={1981},
  volume={26 1},
  pages={12-7}
}
Of the materials tested only two alginates, Palginex (D), and Echo (C), show good surface reproduction when Vel-Mix (1), Ainsworth Greenstone (4), and Investo Greenstone (5) are cast against them. The above two alginates were shown to have a potassium and sulphate rich exudate. The reasonable surface produced by CA-37 (A) can be attributed to a proportional… CONTINUE READING