Accuracy of 3D printed scan bodies for dental implants using two additive manufacturing systems: An in vitro study

Liam J Hopfensperger, Georgi Talmazov, Rami Ammoun, Christian Brenes and Sompop Bencharit

PLOS ONE, 2023, vol. 18, issue 4, 1-13

Abstract: This study compared the accuracy of implant scan bodies printed using stereolithography (SLA) and digital light processing (DLP) technologies to the control (manufacturer’s scan body) Scan bodies were printed using SLA (n = 10) and DLP (n = 10) methods. Ten manufacturer’s scan bodies were used as control. The scan body was placed onto a simulated 3D printed cast with a single implant placed. An implant fixture mount was used as standard. The implant positions were scanned using a laboratory scanner with the fixture mounts, manufacturer’s scan bodies, and the printed scan bodies. The scans of each scan body was then superimposed onto the referenced fixture mount. The 3D angulation and linear deviations were measured. The angulation and linear deviations were 1.24±0.22° and 0.20±0.05 mm; 2.63±0.82° and 0.34±0.11 mm; 1.79±0.19° and 0.32±0.03 mm; for the control, SLA, and DLP, respectively. There were statistical differences (ANOVA) among the three groups in the angular (p

Date: 2023
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0283305

DOI: 10.1371/journal.pone.0283305

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