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Ceramics: their place in dentistry.

P L Fan1, J W Stanford

  • 1Council on Dental Materials, Instruments and Equipment, American Dental Association, Chicago, Illinois 60611.

International Dental Journal
|December 1, 1987
PubMed
Summary

Two ceramic materials, Cerestore and Dicor, are available for all-ceramic crowns. Both require specific tooth preparation and fabrication techniques for single-unit restorations.

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Area of Science:

  • Dental Materials Science
  • Biomaterials Engineering
  • Restorative Dentistry

Background:

  • Commercially available ceramic materials for all-ceramic crowns include Cerestore (transfer molded) and Dicor (castable).
  • Manufacturers recommend these materials for single-unit anterior or posterior crowns.
  • Emerging ceramic systems are under development but not yet commercially available.

Purpose of the Study:

  • To compare and contrast the properties and fabrication of two commercially available ceramic materials for all-ceramic crowns: Cerestore and Dicor.
  • To outline the recommended tooth preparation and material handling for these ceramic systems.

Main Methods:

  • Review of manufacturer guidelines for Cerestore and Dicor all-ceramic crown fabrication.
  • Description of recommended tooth preparation parameters, including rounded line angles and tooth reduction (1.0-2.0 mm).
  • Outline of fabrication procedures, including heat treatment, special equipment, and finishing techniques (veneer build-up/shading for Cerestore, surface shading for Dicor).

Main Results:

  • Both Cerestore and Dicor require specific tooth preparation with rounded line angles to prevent stress concentration.
  • Fabrication involves heat treatment and specialized equipment, with variations in finishing steps.
  • Cerestore necessitates veneer build-up and shading, while Dicor requires surface shading.
  • Both materials have been evaluated and classified by the Council on Dental Materials, Instruments and Equipment of the American Dental Association.

Conclusions:

  • Cerestore and Dicor represent viable options for single-unit all-ceramic crowns, each with distinct fabrication requirements.
  • Proper tooth preparation and adherence to specific fabrication protocols are crucial for successful outcomes.
  • The field of all-ceramic restorative materials is evolving with new systems under development.

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