Effect of Storage Conditions and Time on the Dimensional Stability of 3D Printed Surgical Guides: An In Vitro Study

To evaluate the dimensional stability over time of additively manufactured surgical templates, fabricated by different resins, and stored by different methods. Using a 3D printer with DLS technology and two different resins (Surgical Guide (SG)-WhipMix and Key Guide (KG)-KeystoneIndustries), 96 surg...

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Veröffentlicht in:Clinical oral implants research 2024-09
Hauptverfasser: Ntovas, Panagiotis, Marchand, Laurent, Basir, Barmak, Kudara, Yukio, Revilla-Leon, Marta, Att, Wael
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container_title Clinical oral implants research
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creator Ntovas, Panagiotis
Marchand, Laurent
Basir, Barmak
Kudara, Yukio
Revilla-Leon, Marta
Att, Wael
description To evaluate the dimensional stability over time of additively manufactured surgical templates, fabricated by different resins, and stored by different methods. Using a 3D printer with DLS technology and two different resins (Surgical Guide (SG)-WhipMix and Key Guide (KG)-KeystoneIndustries), 96 surgical guides were additively manufactured. The guides were stored in three different environments: directly exposed to sunlight (S ), in normal interior room conditions (S ), and in darkness (S ). The guides were digitally scanned immediately after fabrication and post-processing, and after 1, 3, and 6 months of storage. For each group, the mean deviation of the root mean square (RMS) between guide's intaglio surface, as well as the axial deviation between sleeves' housings were calculated. The mean axial variations of angular axis deviation of sleeves' housings ranged between 0.09° and 3.99°. The mean deviation of the RMS discrepancy in guide's intaglio ranged from 0.1 to 0.18 mm. Variations were significant (p 
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After 3 months, an additional storage time of 3 months did not have any further effect on dimensional stability. Within the limitations of the present study, storage time of a surgical guide for up to 3 months after manufacturing, as well as printing material can significantly affect surgical guide's dimensional stability, when they are exposed to direct or indirect sunlight conditions. Storage of guides in a dark environment is recommended in order to avoid an additional source of error in computer-guided surgery workflows.</description><identifier>ISSN: 0905-7161</identifier><identifier>EISSN: 1600-0501</identifier><identifier>DOI: 10.1111/clr.14362</identifier><identifier>PMID: 39318278</identifier><language>eng</language><publisher>Denmark</publisher><ispartof>Clinical oral implants research, 2024-09</ispartof><rights>2024 John Wiley &amp; Sons A/S. 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title Effect of Storage Conditions and Time on the Dimensional Stability of 3D Printed Surgical Guides: An In Vitro Study
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