Intra-oral scanners are well-suited for scanning tooth surfaces, but cone-beam computed tomography (CBCT) scanners can be used where more detailed patient anatomy is required.
Scanners are expensive, but they allow doctors to see a detailed view of the patient’s unique anatomy inside the patient’s skull. These scans are particularly useful for implant placement because they accurately show where the implant should move. In addition, because the scan is digital, it can be combined with other data to help doctors and laboratories build the best restorations.
“Of course we like to do digital scans instead of leaving an impression and then exporting it as an STL file,” Dr. Patel said. “This can be combined with CT data (DICOM files) so we can now have the lab create a fully digital surgical guide workflow for us so we can place the implant exactly where we want it.”
Seat milling system
The laboratory and the doctor establish a good relationship – the doctor starts the lab and is created by the lab. However, chair milling systems (such as CEREC) can get rid of the boundaries between the two. The doctor can provide the patient with a day crown by scanning the tooth and then designing and milling it internally. Those milling systems are not limited to crowns.
“They can use their CEREC to grind surgical guides there,” Dr. Patel said. “Then they also got these bricks so that they could mill out a screw-fixed crown, because the screw holes are already prefabricated in the e.max block. So you can design around this and create a screw-retained plant. Body restorations, I think this is an incredible technology. ”
Rolling mills are the most common manufacturing method in CAD/CAM systems, but 3D printers are providing a new way of producing laboratory output.
At this stage of 3D printing, the final repair is impossible. Machinery and technology are in place but there is no FDA-approved material for long-term repairs.
However, the printer can be used to create the stage involved in the restoration. For example, labs often use 3D printers to make models. They can also create surgical guides for placing dental implants.