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Time and Accuracy of the CEREC Omnicam Using Two Different Software Programs.

Douglas A Porr1, Daniel I Brooks2, Peter C Liacouras3

  • 1Prosthodontics Department, Naval Postgraduate Dental School, Naval Medical Leader & Professional Development Command, Postgraduate Dental College, Uniformed Services University of Health Sciences, Bethesda, MD.

Journal of Prosthodontics : Official Journal of the American College of Prosthodontists
|April 14, 2021
PubMed
Summary
This summary is machine-generated.

The CEREC Ortho 1.2.1 software resulted in longer digital scan times but potentially increased precision compared to CEREC SW 4.4.4 software. This suggests a speed-accuracy tradeoff for complete-arch scans.

Keywords:
AccuracyCEREC SW softwareCEREC ortho softwareOmnicamintraoral scannerscan time

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Area of Science:

  • Digital dentistry
  • Intraoral scanning technology

Background:

  • Digital impression techniques are crucial in modern restorative dentistry.
  • The CEREC Omnicam intraoral scanner is widely used for digital impressions.
  • Software choice can influence the efficiency and accuracy of digital scanning.

Purpose of the Study:

  • To evaluate the impact of different software versions (CEREC Ortho 1.2.1 vs. CEREC SW 4.4.4) on the scan time, trueness, and precision of digital scans.
  • To compare the performance of CEREC Omnicam when used with two distinct software platforms.

Main Methods:

  • Sixty full-arch digital scans were acquired using the CEREC Omnicam by three dental providers.
  • Scans were performed using either CEREC Ortho 1.2.1 software or CEREC SW 4.4.4 software.
  • Scan time was recorded, and trueness and precision were assessed using 3D metrology by comparing scans to a reference model and to each other.

Main Results:

  • CEREC Ortho 1.2.1 software consistently resulted in longer scan times (approximately 1 minute longer) across all providers compared to CEREC SW 4.4.4.
  • No statistically significant differences in scan trueness were found between the two software versions for any single provider.
  • Two providers demonstrated significantly higher scan precision when utilizing the CEREC Ortho 1.2.1 software.

Conclusions:

  • Software selection and scanning strategy can influence the accuracy of complete-arch digital scans.
  • CEREC Ortho 1.2.1 software may present a speed-accuracy tradeoff, offering potentially enhanced precision at the cost of increased scan time.