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Strength properties of three zinc phosphate cements mixed to two different consistencies
Author(s) -
Bruce W. L.,
Stevens L.
Publication year - 1989
Publication title -
australian dental journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.701
H-Index - 71
eISSN - 1834-7819
pISSN - 0045-0421
DOI - 10.1111/j.1834-7819.1989.tb04622.x
Subject(s) - zinc , phosphate , zinc phosphate , dentistry , dental cement , materials science , chemistry , nuclear chemistry , metallurgy , composite material , medicine , biochemistry , adhesive , layer (electronics)
When hand‐mixing is used, clinicians mix zinc phosphate cement to consistencies which allow proper seating of restorations. Slump tests have indicated that the same two preferred consistencies (one for cementing a single unit restoration, the other for cementing a multiple unit restoration) could be obtained at different slab temperatures for three cements by mixing to certain powder‐liquid ratios which were different for each cement. Each cement could be repeatedly mixed to the preferred consistency by using the appropriate powder‐liquid ratio. The compressive and tensile strengths of the cements varied, although mixed to the same consistency. Selection of a cement for clinical use should be based on its strength properties when mixed to a preferred consistency.