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Biomedical subjects

R Nolden

Publications and source records attributed to R Nolden.

At least 55 records · Page 3Linked to original sources
PubMed1980

[Comparative studies on the mechanical properties of the current self-hardening and light-hardening plastic filling materials].

The bending strength, elasticity modules, and bending modules of 11 different synthetic resin materials were determined in bending tests on test modules stored for 3, 21, and 92 days. The bending strength of conventional composites (coarsely filled) proved to be almost twice as high as the microfilled composites, including Isosits. Elasticity modules and bending modules of those preparations which can be thoroughly polished did not differ from the values of unfilled PMMA synthetic resen. Photopolymerization generally led to comparatively poor results.

Dental Materials↗
PubMed1976

[Metric recording of color changes in filling materials].

A new test arrangement for metric recording of color changes is described. Its usability is demonstrated by measurements made in test specimens of composite filling materials. Measurable differences were observed with both the original color and "yellowing" after irradiation. The color changes are visible with the naked eye, but objective comparison is possible by metric determination only.

Color↗