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Related Experiment Videos

[Fixed tooth replacement of milled/spark eroded titanium].

P D Reppel1, K Böning, M Walter

  • 1Fachbereich Zahn-, Mund- und Kieferheilkunde der Freien Universität Berlin.

Deutsche Zahnarztliche Zeitschrift
|November 1, 1991
PubMed
Summary

This study evaluated Procera-system crowns, finding an average marginal space of 71 microns. The eroded surfaces were rough, with a hardened zone beneath.

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Area of Science:

  • Biomaterials and Dental Technology
  • Prosthodontics and Restorative Dentistry

Context:

  • Assessing the clinical performance of dental prosthetics is crucial for long-term patient outcomes.
  • The Procera-system represents a specific manufacturing technique for dental crowns.

Purpose:

  • To investigate the accuracy of fit and surface characteristics of dental crowns produced using the Procera-system.
  • To quantify marginal space and analyze surface properties of spark-eroded and duplicated milled crowns.

Summary:

  • A clinical study examined 82 Procera-system crowns, revealing an average marginal space width of 71 microns.
  • Surface analysis indicated roughness comparable to coarsely ground metal, with an underlying hardened zone of approximately 20 microns.

Impact:

  • Findings provide valuable data on the marginal integrity and surface properties of Procera-system crowns.
  • This information can inform clinicians and manufacturers regarding the suitability and potential limitations of this dental restoration system.

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