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Medical technology for humans and machines

eos6Success Story

EOS presented at Euromold advanced solutions for e-Manufacturing of dental models. For a long time developed the dental models for situation-tooth restoration and quality inspection by time-consuming casting and preparation of dental impression. Currently, the dental technology is however changing and undergoes a process of industrialization, manufacturing processes are automated.


The evolution of CAD / CAM applications in the dental industry with new impression and intraoral scanners will it be possible to send high quality data directly to the processing center. Would only still missing a tooth model for the checking of the occlusion, and for post-processing, or a fastening device, which is used in the blending of the denture. Such a model can be on a Formiga P 100 2105 from PA, a high quality plastic, laser-sintered are based on currently available information. Thus, this method provides a complete solution for the manufacture of dental prostheses.

Intraoral scanners capture mouth

eos2The oral situation of the patient is often already or impression digitally using intraoral scanners or by. Any modeling scan. This has an important impact on downstream process and production steps such as the manufacture of dental restoration itself, but also on the production model. The digital, three-dimensional data can be processed directly and without loss of accuracy by impression for the dental crowns and bridges by metal laser sintering. A second data set contains the digital description of the dental model for the laser-sintering of the polymer. Both forms of individualized series production based on e-Manufacturing with laser-sintering. Martin Bullemer, Business Development Manager Medical at EOS adds: "laser-sintered dental models offer compared to conventionally produced models many advantages, the digital e-manufacturing process guarantees a high precision model for a perfect fit of the denture.."

Up to fifty dental models in ten hours

eos4The plastic laser-sintering is an additive manufacturing method. To produce dental models can therefore, the three-dimensional data are divided into layers. According to this model, the system builds the models in layers on again by plastic powder is solidified by using a laser. The technological heart of e-Manufacturing in dentistry is the Formiga P 100 - leading plastic laser-sintering system in the compact class. With a space of 200 250 x mm x 330 the plant produces for example in three superposed layers up to fifty individual tooth models within ten hours. Through its efficiency and flexibility, the system can at comparatively low investment costs are perfectly integrated into the workflow of a dental laboratory. For the operation of the laser-sintering machine only for loading and unloading the unit staff is required. The process is thus extremely reliable. Through the recycling of unmelted powder also can save resources.

eos5The laser-sintered dental model does not require finishing by hand, since no support structures are needed. Simultaneously, it is here for an efficient process, as is carried out with a hollow model and a multi-layer structure. The Formiga P 100 created a plastic model, which is used both for checking the quality of the restoration, as well as the completion of the restoration and blindness is used. Moreover, situation models are produced for analysis.

Colored plastic material for mass production

PA is a pigment-filled 2105 12 polyamide powder for the preparation of laser-sintered dental models, which are the color of the plaster of conventional models modeled. The usual color contrast for dental restoration and the high mechanical and thermal resistance allow optimal passport control and veneering of the dental prosthesis. The laser-sintered ¬ model is durable despite frequent insertion and removal.

Bullemer concludes: "Thanks to this method of production - the dental model is ideally made simultaneously with the corresponding crown or bridge - the whole production process is shortened by an average of a full working day."

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