Fused filament fabrication (FFF): influence of layer height on forces and moments delivered by aligners-an in vitro study.
3D printing
Force
Fused filament fabrication
In-office aligner
Layer height
Journal
Clinical oral investigations
ISSN: 1436-3771
Titre abrégé: Clin Oral Investig
Pays: Germany
ID NLM: 9707115
Informations de publication
Date de publication:
May 2023
May 2023
Historique:
received:
03
05
2022
accepted:
03
02
2023
medline:
8
5
2023
pubmed:
16
2
2023
entrez:
15
2
2023
Statut:
ppublish
Résumé
To investigate the effect of layer height of FFF-printed models on aligner force transmission to a second maxillary premolar during buccal torquing, distalization, extrusion, and rotation using differing foil thicknesses. Utilizing OnyxCeph Foil thickness and staging were found to have a significant influence on forces delivered by aligners, whereas no significance was determined for layer height and type of movement. Nevertheless, at a layer height of 150 µm, the most appropriate force transmission was observed. Printing aligner models at particularly low layer heights leads to uneconomically high print time without perceptible better force delivery properties, whereas higher layer heights provoke higher unpredictability of forces due to scattering. A z-resolution of 150 µm appears ideal for in-office aligner production combining advantages of economic print time and optimal force transmission.
Identifiants
pubmed: 36790628
doi: 10.1007/s00784-023-04912-8
pii: 10.1007/s00784-023-04912-8
pmc: PMC10159977
doi:
Types de publication
Journal Article
Langues
eng
Pagination
2163-2173Informations de copyright
© 2023. The Author(s).
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