Effect of printing layer thickness on the trueness of 3-unit interim fixed partial dentures

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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.authorCuellar, Alfonso Rodriguez
dc.contributor.authorDönmez, Mustafa Borga
dc.contributor.authorAbou-Ayash, Samir
dc.contributor.authorLu, Wei-En
dc.contributor.authorSchimmel, Martin
dc.contributor.authorYılmaz, Burak
dc.date.accessioned2022-06-03T14:17:08Z
dc.date.available2022-06-03T14:17:08Z
dc.date.issued2022en_US
dc.departmentİstinye Üniversitesi, Diş Hekimliği Fakültesi, Klinik Bilimler Bölümüen_US
dc.description.abstractStatement of problem. Three-dimensional printing has facilitated the fabrication processes in dentistry. However, knowledge on the effect of layer thickness on the trueness of 3D-printed fixed partial dentures (FPDs) is lacking. Purpose. The purpose of this in vitro study was to compare the effect of printing layer thickness on the trueness of 3-unit interim FPDs fabricated by using additive manufacturing with that of those fabricated by subtractive manufacturing. Material and methods. The right first premolar and first molar teeth of a dentate mandibular model were prepared for a 3-unit restoration and then digitized by using an intraoral scanner. A 3-unit interim FPD was designed to fabricate 40 restorations by using either the additive (NextDent C&B MFH) with layer thicknesses of 20 mm (n=10), 50 mm (n=10), and 100 mm (n=10) or subtractive manufacturing technique (Upcera) (milled, n=10). After fabrication, the interim FPDs were digitized by using the same intraoral scanner and were superimposed over the design data by using a 3D analysis software program. Root mean square (RMS) was used to analyze the trueness of the restorations at 4 different surfaces (external, intaglio, marginal area, and intaglio occlusal) and as a complete unit (overall). Data were analyzed with the Kruskal-Wallis and Wilcoxon tests with Bonferroni correction (a=.05). Results. The 100-mm-layer thickness interim FPDs showed the greatest overall (P .015), external (P .021), and intaglio occlusal (P .021) deviations, whereas the milled interim FPDs showed the lowest (P=.001). No significant differences were found among the test groups for marginal RMS (P .108). The differences between the 50-mm-layer thickness and 100-mm-layer thickness interim FPDs for the intaglio surface deviations (P=.064) and between the 20-mm-layer thickness and 50- mm-layer thickness interim FPDs for each surface tested were not statistically significant (P .108). Conclusions. The printing layer thickness had a significant effect on the trueness of the additively manufactured interim FPDs. However, subtractively manufactured interim FPDs presented higher trueness than those additively manufactured, regardless of the printing layer thickness. (J Pros- thet Dent 2022;-:---)en_US
dc.identifier.citationÇakmak G, Cuellar AR, Donmez MB, Abou-Ayash S, Lu WE, Schimmel M, Yilmaz B. Effect of printing layer thickness on the trueness of 3-unit interim fixed partial dentures. J Prosthet Dent. 2022 May 27:S0022-3913(22)00271-2. doi: 10.1016/j.prosdent.2022.04.015. Epub ahead of print. PMID: 35636984.en_US
dc.identifier.doi10.1016/j.prosdent.2022.04.015en_US
dc.identifier.issn0022-3913en_US
dc.identifier.issue4en_US
dc.identifier.pmid35636984en_US
dc.identifier.scopus2-s2.0-85130929854en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.urihttp://doi.org/10.1016/j.prosdent.2022.04.015
dc.identifier.urihttps://hdl.handle.net/20.500.12713/2796
dc.identifier.volume127en_US
dc.indekslendigikaynakScopusen_US
dc.indekslendigikaynakPubMeden_US
dc.institutionauthorDönmez, Mustafa Borga
dc.language.isoenen_US
dc.publisherElsevier Scienceen_US
dc.relation.ispartofThe Journal of Prosthetic Dentistryen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.titleEffect of printing layer thickness on the trueness of 3-unit interim fixed partial denturesen_US
dc.typeArticleen_US

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