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Biomedical subjects

H Schwickerath

Publications and source records attributed to H Schwickerath.

At least 127 records · Page 7Linked to original sources
PubMed1975

[The effect of the density, porosity and surface properties of plastic bases of upper dentures on the palatal mucosa].

In a 14-day test with 50 probands, the effects of a heat-curing resin and a self-curing resin on the palatal mucosa of the test persons were tested by means of exfoliative cytology. It was shown that the keratinization index increased considerably during wearing the plates. It was not possible to demonstrate differences in the effect of heat-curing resins and that of self-curing resins. The different isolation with alginate film or tinfoil did not, in general, have any influence on the cytogram either. Roughness of the surface resulted in a slight increase of the intermediary cells.

Acrylic Resins↗
PubMed1975

[Is the testing for changes in shape of denture base materials meaningful].

The results obtained in measurements of the dimensional behavior of U-shaped specimens correspond to the dimensional behavior of dentures. Part of the dimensional changes found in U-shaped specimens are not observed to the same extent in dentures, but produce interior tension in the denture. The bigger the dimensional changes in the U-shaped specimen, the bigger the dimensional changes in the denture or the tensions in its interior. Thus, the results of the measurements of U-shaped specimens demonstrate the behavior of a clinically used denture. Corresponding guidelines for testing purposes are proposed.

Dental Materials↗
PubMed1975

[The use of energy in casting and the viscosity of zinc oxide-eugenol pastes].

The recorded diagrams give information on the viscosity (consistency) at any given time. The force data indicate the difference in the viscosity (consistency). The line in the graph reflects the setting behavior. A flow test should be included in the specification of impression materials. The consistency test provided for in the ADA specification does not have any clinical significance, neither have changes in the load.

Energy Metabolism↗
PubMed1975

[Gypsum paste].

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Calcium Sulfate↗