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[Profilometric research on silicone impression materials].

N A Nechaenko, N V Urusov, V A Kazakov

    Stomatologiia
    |January 1, 1989
    PubMed
    Summary
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    Replicating metal surface microrelief with Soviet-produced or imported materials proved unsuccessful. Vulcanization processes in elastomeric compositions altered surface characteristics, preventing accurate reproduction of the metal standard's microrelief.

    Area of Science:

    • Materials Science
    • Surface Engineering
    • Polymer Chemistry

    Background:

    • Accurate reproduction of surface microrelief is crucial for material characterization and application.
    • Previous attempts to replicate metal surface topography using elastomeric materials have faced challenges.
    • Understanding the influence of vulcanization on surface replication is essential for developing effective replication techniques.

    Purpose of the Study:

    • To evaluate the efficacy of Soviet-produced and imported materials in replicating the microrelief of a metal standard.
    • To investigate the impact of vulcanization processes on the surface characteristics of elastomeric compositions used for replication.

    Main Methods:

    • Surface analysis techniques were employed to compare the microrelief of the metal standard with that of the replicated surfaces.

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  • Elastomeric compositions were prepared and subjected to vulcanization under controlled conditions.
  • Microscopic examination was used to observe changes in surface topography before and after vulcanization.

    • Main Results:

    • None of the tested Soviet-produced or imported materials fully reproduced the microrelief of the metal standard.
    • Significant alterations in surface topography were observed on the elastomeric compositions due to vulcanization processes.
    • The vulcanization process inherently modified the surface, hindering accurate replication of the original metal standard's microrelief.

    Conclusions:

    • Current Soviet-produced and imported elastomeric materials are inadequate for fully replicating the microrelief of metal standards.
    • Vulcanization-induced surface changes in elastomeric compositions are a primary limitation in achieving high-fidelity microrelief replication.
    • Further research is needed to develop elastomeric materials and processes that minimize surface alterations during vulcanization for improved replication accuracy.