Die Spacer

Die spacers and die coatings are used to treat prepared dental dies and establish a defined internal space in prosthetic restorations. The range includes coloured die spacers with different stated film thicknesses, thinners and surface hardeners. These products are primarily used in crown and bridge workflows where fit and cement space require control. Coating selection and application should follow the restoration design and manufacturer’s instructions.

Creating controlled cement space

Die spacer is applied to a prepared die to provide planned relief between the restoration’s internal surface and the tooth. Appropriate cement space can aid seating, but the coating should not compromise critical marginal areas. Follow the restoration material and system manufacturer’s guidance.

Colour and film thickness

Selected products specify film thicknesses such as 3, 7, 10 or 13 micrometres. Colours help distinguish coatings and monitor application, but do not represent a universal thickness code. The final layer thickness depends on the product, number of coats and application technique.

Thinners and die hardeners

Dedicated thinners may be used to adjust consistency where the manufacturer permits it. Die hardeners and surface sealers reinforce vulnerable stone surfaces. Their purpose differs from spacer coatings intended to create cement relief.

Accurate dies start with the model

A die should be clean, dry and mechanically sound before coating. The choice of precision dental stone and suitable die systems are therefore relevant to the result.

Frequently asked questions

What is the difference between die spacer and die hardener?

Die spacer creates a controlled coating for planned cement space. Die hardener strengthens or seals the surface of a model die.

Does each coat always give the same thickness?

No. Film thickness varies with the product, application method and surface. Follow the manufacturer’s stated specifications.

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