Dental Nation
Material guide

Cobalt-Chrome

Cobalt-chrome partial dentures are thinner and stronger than dentures made wholly from acrylic.

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The short answer

Cobalt-chrome partial dentures use a metal alloy framework that is thinner and stronger than acrylic.

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Cobalt-Chrome dental educational illustration

What is a cobalt-chrome partial denture?

How a metal partial denture is constructed
PartDescription
FrameworkAn alloy of cobalt and chromium[1][2]
Visible denture partsGum-coloured plastic with plastic teeth fixed to it[1][2]

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How does it differ from acrylic?

A metal-based denture is thinner and stronger than an acrylic denture, which is made purely from plastic.

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Metal and acrylic partial dentures
TypeMaterial point
Cobalt-chrome dentureMetal alloy framework with plastic covering and teeth[1][2]
Acrylic dentureMade purely from plastic[1][2]

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Where is cobalt-chrome used?

Cobalt-chrome is used as a framework material for removable partial dentures, including frameworks and clasps assessed against PEEK.

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What is the main alternative?

Acrylic is the direct material alternative described for partial dentures. PEEK has also been studied as a framework or clasp material against cobalt-chrome.

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What does the framework choice mean in daily use?

Comparative research found PEEK frameworks had similar retention and patient satisfaction to conventional cobalt-chrome frameworks, while clinical comparisons remain sparse.

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What happens while you adapt to a new denture?

New dentures often create sore areas. Problems or discomfort can often be corrected at a review appointment, usually booked one to two weeks after fitting.

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Frequently asked questions

Are new cobalt-chrome dentures sore at first?

New dentures often cause sore areas, and a review is normally booked one to two weeks after fitting.

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