HYBRID MANUFACTURING FOR DENTAL PROSTHETICS

An innovative technology combines the additive SLM process with a subtractive milling process into a hybrid method that enables design freedom and precision within the digital manufacturing of complex secondary parts.

Design Freedom & Precision
Thanks to Hybrid Manufacturing

Additive methods offer design freedom in the geometry of components, allowing for better integration with one another. However, additive manufacturing processes are not capable of providing the precision required for the complex construction of certain components.
Where exact fitting within very tight tolerances is needed, subtractive methods are still predominantly used.

The hybrid method provides a solution to this problem: it combines the additive laser melting process with subtractive machining. This allows for flexible design of the surface of the parts while the precision of the cutting technology is applied to the internal contours.

How Hybrid Manufacturing Works

For the additive part of the manufacturing process, a laser melting system is required. As with the additive process, the metal powder is first applied and melted with the laser. The resulting framework is then stress-relieved for hybrid processing.

The heating of the framework ensures optimal fitting during later cold processing. In the second step, the fitting surfaces of the construction are milled using the milling machine. This results in the finished part with the desired shape and required accuracy.

Hybrid Methods

For medical technology, this opens up a range of possibilities for digital component manufacturing.

For example:

  • Secondary parts for primary telescopes
  • Secondary parts for bridges
  • Secondary constructions with model casting elements
  • Custom retainers
  • Retention beads in secondary constructions

Materials Used

CoCr Alloys

 

 

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