Fabrication Trueness, Intaglio Surface Adaptation, and Marginal Integrity of Resin- Based Onlay Restorations Fabricated by Additive and Subtractive Manufacturing

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dc.authorid0000-0003-1751-9207
dc.authorid0000-0002-7101-363X
dc.contributor.authorCakmak, Gulce
dc.contributor.authorSteigmeier, David
dc.contributor.authorGuven, Mehmet Esad
dc.contributor.authorYilmaz, Deniz
dc.contributor.authorSchimmel, Martin
dc.contributor.authorYoon, Hyung-In
dc.contributor.authorYilmaz, Burak
dc.date.accessioned2026-01-24T12:29:04Z
dc.date.available2026-01-24T12:29:04Z
dc.date.issued2024
dc.departmentAlanya Alaaddin Keykubat Üniversitesi
dc.description.abstractPurpose: To evaluate the fabrication trueness, intaglio surface adaptation, and marginal integrity of resin- based onlay restorations made via additive manufacturing (AM) or subtractive manufacturing (SM). Materials and Methods: An onlay restoration was designed (DentalCAD Galway 3.0) and saved as an STL file to generate a design STL file (DO-STL). Using this design, 45 onlays were fabricated either with AM (3D-printed resin for definitive [AM-D; Tera Harz TC- 80DP] and interim [AM- I; Freeprint temp] restorations) or SM (composite resin, Tetric CAD) technologies. Onlays were scanned with an intraoral scanner (CEREC Primescan SW 5.2), and the scans were saved as test STL files (TO-STLs). For trueness evaluation, TO-STLs were superimposed over the DO-STL, and root mean square (RMS) values of overall and intaglio surfaces were measured (Geomagic Control X). For the intaglio surface adaptation and marginal integrity, a triple-scan protocol was performed. Kolmogorov-Smirnov, one- way ANOVA, and post-hoc Tukey honestly significant difference tests were used to analyze data (alpha =.05). Results: RMS values of intaglio and overall surfaces, intaglio adaptation, and marginal integrity varied among test groups (P <.001). AM- D had the greatest overall surface RMS (P <.001), while SM had the greatest intaglio surface RMS (P <.001). SM had the highest average distance deviations for intaglio surface adaptation and marginal integrity, whereas AM-D had the lowest (P <.001). Conclusions: AM-D onlays showed lower overall trueness than AM-I onlays and SM definitive onlays. However, AM-D onlays presented high intaglio surface trueness, intaglio surface adaptation, and marginal integrity.
dc.description.sponsorshipBuser Implant Foundation Junior Investigator Grant [22-01]
dc.description.sponsorshipThe authors thank Ivoclar for supplying the materials used in this study. The authors also thank Marco Pannier for his contributions to the specimen preparation and Bernadette Rawyler for her contributions to the specimen pictures and illustrations. This study was funded by the Buser Implant Foundation Junior Investigator Grant (JIG no. 22-01).
dc.identifier.doi10.11607/ijp.8802
dc.identifier.endpageS107
dc.identifier.issn0893-2174
dc.identifier.issn1942-4426
dc.identifier.pmid37988421
dc.identifier.scopus2-s2.0-85188480420
dc.identifier.scopusqualityQ1
dc.identifier.startpageS99
dc.identifier.urihttps://doi.org/10.11607/ijp.8802
dc.identifier.urihttps://hdl.handle.net/20.500.12868/5111
dc.identifier.volume37
dc.identifier.wosWOS:001288399800013
dc.identifier.wosqualityQ3
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.indekslendigikaynakPubMed
dc.language.isoen
dc.publisherQuintessence Publishing Co Inc
dc.relation.ispartofInternational Journal of Prosthodontics
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_WoS_20260121
dc.subjectInternal Fit
dc.subjectCad-Cam
dc.subjectCrowns
dc.subjectDentistry
dc.subjectAccuracy
dc.subjectPolymers
dc.titleFabrication Trueness, Intaglio Surface Adaptation, and Marginal Integrity of Resin- Based Onlay Restorations Fabricated by Additive and Subtractive Manufacturing
dc.typeArticle

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