Distribution of corrosion products in teeth restored with metal crowns retained by stainless steel posts

Authors

  • John Silness Department of Prosthodontics, School of Dentistry, University of Bergen, Bergen, Norway
  • Finn Gustavsen Department of Prosthodontics, School of Dentistry, University of Bergen, Bergen, Norway
  • Jan Hunsbeth Department of Prosthodontics, School of Dentistry, University of Bergen, Bergen, Norway

DOI:

https://doi.org/10.3109/00016357909004702

Keywords:

Corrosion, stainless steel posts, dentin, microradiography, electron microscopy, X-ray microanalysis

Abstract

The nature and distribution of corrosion products in teeth restored with metal crowns retained by stainless steel posts were examined by means of energy-dispersive X-ray microanalysis, microradiography, and electron microscopy. The corrosion products consisted of calcium, phosphorous, iron, chromium, nickel, zinc, stannum and other elements. A possible root fracturing mechanism is discussed.

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Published

1979-01-01

Issue

Vol. 37 No. 6 (1979): Acta Odontologica Scandinavica

Section

Articles