Journal of Dental Research, Vol 56, 1215-1218, Copyright © 1977 by International & American Associations for Dental Research Online Journals
Clinical study of dental cements. VI. A study of zinc phosphate, EBA-reinforced zinc oxide eugenol and polyacrylic acid cements as luting agents in fixed prostheses
R. G. Silvey and G. E. Myers
A clinical trial for the final cementation of crowns and bridges with a
reinforced zinc oxide and eugenol cement, a polyacrylic acid cement and a
zinc phosphate cement was made over a 3-year period. The study involved 441
patients for whom 547 bridges and 162 single restorations were cemented.
The patients were recalled at 6-month intervals for the duration of the
study and the restorations were examined for looseness. Of the 547 bridges
520 remained firmly cemented to the abutment teeth. Of 1,082 bridge
retainers, 1,049 remained in position; success and failure by types of
retainer will be the subject of a subsequent paper. Of the 162 single
restorations 159 remained in place.
