Investigation into the ultrasonic setting of glass ionomer cements: Part II setting times and compressive strengths

E. Twomey, M. R. Towler, C. M. Crowley, J. Doyle, S. Hampshire

Research output: Contribution to journalArticlepeer-review

Abstract

The ultrasonic setting of glass ionomer cements (GIC) was discussed. It was observed that the ultrasonic setting resulted in improvements of compressive strength. An increase in the PAA molecular weight from PAA50 to PAA200 resulted in an increase in the strength, but with a further increase in the PAA molecular weight to PAA450, there was a reduction in the strength. Results show that the strength of the ultrasonically set materials after 1 day were close to the values for the 7 days chemically set samples.

Original languageEnglish
Pages (from-to)4631-4632
Number of pages2
JournalJournal of Materials Science
Volume39
Issue number14
DOIs
Publication statusPublished - 15 Jul 2004

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