What does “Hybrid ceramic” mean?
“Hybrid ceramic” is used to describe dental restorative materials combining ceramic with resin-based polymers. Examples include networks in which a polymer infiltrates a porous ceramic structure. The name alone does not identify the exact composition or structure.
Understand how the two components are arranged
The frameworks formed by ceramic and polymer, and their relative proportions, affect the material’s properties. Research testing polymer-infiltrated ceramic networks found that hardness and deformation under force varied with the density of the ceramic framework. This is why actual structure and composition need to be distinguished even among materials called hybrid ceramics.
Material tests are different from treatment outcomes
Laboratory findings such as elasticity, hardness and fracture resistance help compare material properties. One value alone cannot establish how long a restoration will last in the mouth or whether it is suitable for every tooth. Clinical restorations also depend on tooth condition, design, forces and bonding.
Use conditions appropriate to the restoration
Whether a material can be used for an inlay, onlay or crown depends on its indications and fabrication requirements. Surface preparation and bonding to the tooth may also vary by material. Hybrid materials are not all treated in the same way or made to the same thickness.
Frequently Asked Questions
Do all hybrid ceramics have the same composition?
No. Structure and ingredients can vary by product and material group. Check the classification and intended uses of the actual material being considered.
Does combining ceramic and resin always make a restoration last longer?
No such conclusion can be made. Composition affects material properties, but prognosis also depends on tooth condition, design, bonding, the bite and other factors.
Questions about hybrid ceramics
Learn what the term means and how it relates to your dental condition.
- Sufficient understanding
What is the structure of this material, and is it indicated for this restoration?
Explanation and evidenceLook beyond the general label to the actual material type and its uses for inlays, onlays, crowns or other restorations.
American Dental Association · Materials for indirect restorations - A choice suited to your condition
What conditions are needed for bonding and surface treatment?
Explanation and evidenceClarify the preparation appropriate to the material together with the bonding conditions on the tooth.
American Dental Association · Materials for indirect restorations
Further reading and references
Further reading
References
- Study of the structure and properties of a polymer-infiltrated ceramic networkpubmed.ncbi.nlm.nih.gov (opens in a new tab)
- Study of the mechanical properties of polymer-infiltrated ceramic networkspubmed.ncbi.nlm.nih.gov (opens in a new tab)
- American Dental Association · Materials for indirect restorationsada.org (opens in a new tab)
