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Dental Nation
Material guide

Alumina Ceramic

Alumina ceramic studies examine shade, thickness, repeated firings, fracture resistance and survival of partial restorations.

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The short answer

Alumina ceramic has been studied in dental systems with different porcelain shades and ceramic thicknesses. Research has also examined ceramics used for CAD/CAM inlays, onlays and overlays.

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Alumina Ceramic dental educational illustration

What It Is

Alumina Ceramic material questions
QuestionPatient meaning
What is being considered?Alumina Ceramic is a dental material studied in relation to its composition, optical or mechanical behaviour, surface treatment and clinical use.[1][2]
What guides suitability?The planned restoration and its clinical indication.[1][2]

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Properties that matter

In one alumina-based system, specimens used A1 or A3 veneering porcelain and thicknesses of 0.5, 1 or 1.5 mm. Repeated firings were set at 3, 5, 7 or 9 cycles, with colour change measured instrumentally.

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Where it is used

Ceramic CAD/CAM restorations studied in this material group include inlays, onlays and overlays. The review considered fracture resistance and survival, as well as the influence of proximal box elevation.

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Alumina Ceramic material questions
QuestionPatient meaning
What is being considered?Alumina Ceramic is studied for dental restoration applications.[1][2]
What guides suitability?The planned restoration and its clinical indication.[1][2]

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Alternatives to discuss

The CAD/CAM review included ceramics alongside composite resin, resin nanoceramic and hybrid ceramic. These materials were compared in relation to fracture resistance and survival of partial indirect restorations.

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What it means for your treatment

Colour is affected by ceramic shade, thickness and the number of firings in the tested alumina system. The restoration type also matters because inlays, onlays and overlays are partial indirect restorations.

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Safety and longevity questions

Fracture resistance and survival are the main durability outcomes examined for the partial CAD/CAM restorations. The published review is based on in-vitro trials from the preceding ten years.

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Frequently asked questions

Is Alumina Ceramic right for every tooth?

The tested alumina system used A1 or A3 porcelain, with ceramic thicknesses of 0.5, 1 or 1.5 mm and repeated firings from 3 to 9 cycles.

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Keep reading

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