Primescan is the latest generation of the company’s intraoral scanners, designed for different digital workflows.
Dentsply Sirona’s Primescan enables users to take a digital impression of the entire jaw with accuracy, according to a 2019 University of Zurich study.
The results of the 2020 in vitro study by the University of Zurich showed that the preparation margin accuracy of Primescan was significantly better than the other intraoral scanning systems involved in the study in local accuracy for single-tooth preparations.
According to Dentsply Sirona, the product’s accuracy has been further demonstrated by additional national and international studies.
This latest generation of the company’s intraoral scanners is designed for different digital workflows—in practice with CEREC as well as with the dental laboratory or other partners. Using the Connect software, a digital 3D model can be transferred directly to the laboratory of choice for further processing. Using high-resolution sensors and a short-wave light, a scan of the tooth surfaces is accurately captured. According to Dentsply, up to 1 million 3D pixels per second are captured by Primescan, and these can be executed more reliably than using optical high-frequency contrast analysis.
According to Dentsply Sirona, dental practitioners like the fact that, with Primescan, it is possible to scan deep regions (up to 20 mm). This allows a digital impression even with subgingival or particularly deep preparations. Almost all tooth surfaces are captured, even when scanning from a very sharp angle.
“The studies confirm again that, with Primescan, we have provided our customers with a high-quality technology that delivers truly impressive results,” said Alexander Völcker, DDS, group vice president CAD/CAM at Dentsply Sirona. “We continue to add and improve workflows with Primescan as we’re convinced Primescan’s outstanding technology opens the doors for more applications in digital dentistry. Thanks to the technology of high-frequency contrast analysis, Primescan enables our customers to achieve outstanding accuracy in digital impression. And the extensive positive feedback from our respected experts and users all over the world, our most important compass, encourages us to continue to lead in this area’s development and innovation.”
The study of Dutton et al reportedly presents the versatility of the acquisition technology of Primescan, as it not only records natural and prepared tooth surfaces with high precision, but also captures materials used in dentistry with a high degree of accuracy across all substrates and for complete arch scanning. Researchers also tested the effect of different substrates on the trueness and precision of eight different intraoral scanners. In 11 out of 15 categories, Primescan ranked number one, and for the remaining four categories, Primescan ranked among the top three.
In addition, an in vivo study done by the University of Gießen confirms the accuracy of digital and conventional full-arch impressions in patients, and results show that among the tested scanners, only Primescan showed no significant deviations to long-span accuracies obtained with conventional impressions.
Beijing University researchers tested the precision of Primescan and two other intraoral scanners in edentulous jaws. The precision of Primescan performed significantly well compared to the other two scanners for maxilla. In trueness of the three scanners, when scanning the maxilla and mandible, there was reportedly no significant difference.