1. Formerly marketed as Terralux-Universaf. Since February, 1961 the cement has been designated Terralux-Ultra. This report covers the cement sold under both names.
2. American Dental Association specification no. 9 for dental silicate cement: first revision, effective July 1, 1950;Paffenbarger;J.A.D.A.,1950
3. Jørgensen, K. Dreyer. Personal communication.
4. Evaluation of dental cements;Griffith;Austral. D. J.,1960
5. Unpublished information in the files of the Council on Dental Research.