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Scanning Dental Model

During the preparation stage, dental technician in the dental lab used 6 scan bodies, and fixed them onto analogs inside the plaster model with a screwdriver. The artificial gingiva on the model would be removed to check whether the connection parts were put in place or not.

· When the scanning step was performed with scan bodies, the artificial gingiva was removed to ensure that scan bodies were put in place completely.

After the preparatory work was finished, the upper and lower occlusion models, the jaw model, the working model with artificial gingiva and the working model with scan bodies were scanned successively using SHINING 3D's DS300 scanner under the guidance of its self-equipped 3D scanning software DentalScan. When the upper and lower occlusion models were being scanned, a special occlusal fixture equipped for DS300 was used. The mark points on the occlusal fixture could be used for identifying the spatial position of the model, thereby transferring the positional relationship into the CAD design software.

The scanning operation is performed by the user according to the prompts of SHINING 3D's scanning software DentalScan.When upper and lower jaw models is being scanned, the occlusion transfer tool equipped for DS300 can fix the upper and lower jaw models. The mark points on them are used for accomplishing transfer position during the scanning process.

After the 3D scanning data were obtained, the prosthesis was designed by Spanish technician Waldo Zarco Nosti using Exocad. Within the design software, the technician selected the CAD data scan bodies corresponding to the platform size of the implant data and aligned them with the scan body section of the scanning data successively to accomplish the best matching. This alignment step is extremely critical, because it would directly determine if the upper structure could achieve"passive fit".

The optimal fitting function within exocad can realize the best result by using CAD data of scan bodies in the database to align with scanned data.

Because the special bite relationship transfer tool of DS300 scanner was used, the spatial relationship between the upper and lower jaw models and the dental articulator was completely transferred into the virtual articulator within the design software.

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