Composites made from powder-liquid constituents and subjected to elevated temperatures during storage are more stable than those employing pastes. The decomposition of the benzoyl peroxide ingredient is mainly responsible for the increased setting time and the decreased mechanical properties of the resulting composite.
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References
1.
Council on Dental Materials and Devices: New American Dental Association Specification No. 27 for Direct Filling Resins, JADA94 :1191-1194,1977.
2.
Termini, D.J. ; Antonucci, J.M.; and Brauer, G.M.: A Study of the Storage Stability of Dental Composites, J Dent Res56B: No. 511, 1977 (Abstract).
