Additive or subtractive manufacturing of crown patterns used for pressing or casting: A trueness analysis

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dc.authoridMustafa Borga Dönmez / 0000-0002-3094-7487en_US
dc.authorscopusidMustafa Borga Dönmez / 57202022054
dc.authorwosidMustafa Borga Dönmez / AGY-6155-2022en_US
dc.contributor.authorÇakmak, Gülce
dc.contributor.authorDönmez, Mustafa Borga
dc.contributor.authorCuellar, Alfonso Rodrigues
dc.contributor.authorKahveci, Çiğdem
dc.contributor.authorSchimmel, Martin
dc.contributor.authorYılmaz, Burak
dc.date.accessioned2022-07-18T11:26:37Z
dc.date.available2022-07-18T11:26:37Z
dc.date.issued2022en_US
dc.departmentİstinye Üniversitesi, Diş Hekimliği Fakültesi, Klinik Bilimler Bölümüen_US
dc.description.abstractObjectives: To investigate the effect of subtractive and additive manufacturing techniques on the trueness of crown patterns used for pressing or casting. Material and Methods: A complete-coverage mandibular right first molar crown was designed in standard tessellation language (STL) format. This STL served as the control (C- STL) and was used to fabricate 30 crown patterns in 3D-printed resin (PR, ProArt Print Wax), millable wax suitable for casting (BW, ProArt CAD Wax Blue), and millable wax suitable for pressing (YW, ProArt CAD Wax Yellow) (n=10). Subtractively manufactured patterns were fabricated by using a 5-axis milling unit (PrograMill PM7), while 3D-printed patterns were fabricated by using a digital light processing-based 3D printer (PrograPrint PR5; Ivoclar Vivadent, Schaan, Liechtenstein). All fabricated patterns were digitized by using an intraoral scanner (CEREC Primescan SW 5.2) to generate test-STLs. C-STL and test-STLs were transferred into a 3D analysis software (Medit Link v 2.4.4). Trueness evaluation was performed at 4 different surfaces (external, intaglio with margin, marginal, and intaglio without margin) and for complete scan meshes (overall) by using the root mean square (RMS) method. Data were analyzed with Kruskal-Wallis and Mann-Whitney U tests (?=.05). Results: RMS values varied significantly at all surfaces (P<.001), except for marginal surface (P=.151). PR had the highest RMS values at external surface (P?.007), intaglio surfaces (with (P?.003) and without margin (P?.005)), and overall (P?.01). No significant differences were observed between YW and BW (P?.223). Conclusion: Patterns fabricated by using subtractive manufacturing exhibited high trueness. The deviation values, in general, were small, particularly at intaglio and marginal surfaces; thus, clinical difference in crown-fit may be negligible using additive or subtractive technique. Clinical Significance The fit of definitive crowns may be similar when tested crown patterns are additively or subtractively manufactured. However, crowns fabricated by using tested 3D-printed resin patterns may require more chairside adjustments compared with those fabricated by using subtractively manufactured wax patterns.en_US
dc.identifier.citationÇakmak G, Donmez MB, Cuellar AR, Kahveci Ç, Schimmel M, Yilmaz B. Additive or subtractive manufacturing of crown patterns used for pressing or casting: a trueness analysis. J Dent. 2022 Jul 9:104221. doi: 10.1016/j.jdent.2022.104221. Epub ahead of print. PMID: 35820503.en_US
dc.identifier.doi10.1016/j.jdent.2022.104221en_US
dc.identifier.issn0300-5712en_US
dc.identifier.pmid35820503en_US
dc.identifier.scopus2-s2.0-85134780383en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.urihttp://doi.org/10.1016/j.jdent.2022.104221
dc.identifier.urihttps://hdl.handle.net/20.500.12713/3004
dc.identifier.wosWOS:000843004200001en_US
dc.identifier.wosqualityQ1en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.indekslendigikaynakPubMeden_US
dc.institutionauthorDönmez, Mustafa Borga
dc.language.isoenen_US
dc.publisherElsevier Scienceen_US
dc.relation.ispartofJournal of Dentistryen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subject3D-Printingen_US
dc.subjectMillingen_US
dc.subjectResin Patternen_US
dc.subjectTruenessen_US
dc.titleAdditive or subtractive manufacturing of crown patterns used for pressing or casting: A trueness analysisen_US
dc.typeArticleen_US

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