Journal of Materials Science

, Volume 14, Issue 12, pp 2894–2900 | Cite as

An infra-red spectroscopic study of the setting reactions of a calcium hydroxide dental cement

  • H. J. Prosser
  • B. Stuart
  • A. D. Wilson


An infra-red spectroscopic study of a proprietary calcium hydroxide cement based on l-methyl trimethylene disalicylate and calcium hydroxide shows that a chemical reaction occurs, in the cement paste, between the acidic phenol groups and calcium hydroxide. The close proximity of the carbonyl and hydroxyl groups leads to very strong intramolecular hydrogen bonding in the ester and bidentate chelation in the cement. This chemical reaction results in the setting and hardening of the cement.


Hydrogen Polymer Ester Phenol Hydroxyl 
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Copyright information

© Chapman and Hall Ltd 1979

Authors and Affiliations

  • H. J. Prosser
    • 1
  • B. Stuart
    • 1
  • A. D. Wilson
    • 1
  1. 1.Laboratory of the Government Chemist, Department of IndustryCornwall HouseLondonUK

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