The interaction between lining materials and composite resin restorative materials.

G L Lingard, E H Davies, J A Von Fraunhofer

Journal of oral rehabilitation 1981 Mar

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The effects of four lining materials, Dycal, Procal, Cavitec and Poly F cement on Adaptic and Concise have been investigated in vitro. The parameters studied were surface roughness, hardness and colour both with and without an intermediate (or bonding) resin being present between the restorative material and the liner. The effects of the four liners on the composites varied both between the lining materials themselves and with the composite resin. Two materials, Procal and Dycal, had little interaction with the composites, provided an intermediate resin was used with the latter. Cavitec appeared to have an adverse reaction with the composites and Poly F, whilst having no effect on the colour of the composites, did increase surface roughness. The adverse effects of linig materials were ascribed to minor constituents, particularly methyl salicylate, present in the formulation.

Citation

G L Lingard, E H Davies, J A Von Fraunhofer. The interaction between lining materials and composite resin restorative materials. Journal of oral rehabilitation. 1981 Mar;8(2):121-9