{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,16]],"date-time":"2026-09-16T02:48:33Z","timestamp":1789526913552,"version":"build-2803163510"},"reference-count":29,"publisher":"Georg Thieme Verlag KG","issue":"01","license":[{"start":{"date-parts":[[2023,6,9]],"date-time":"2023-06-09T00:00:00Z","timestamp":1686268800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Eur J Dent"],"published-print":{"date-parts":[[2024,2]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>\n          Objectives\u2003The purpose of this study was to determine the surface roughness and flexural strength of a three-dimensional (3D)-printed denture base resin printed with two different build plate orientations and to compare them with a computer-aided design-computer-aided manufacture (CAD-CAM) milled denture base resin.<\/jats:p><jats:p>\n          Materials and Methods\u2003Sixty-six specimens (n\u2009=\u200922\/group) were prepared by 3D printing and CAD-CAM technology. The group A and B specimens were 3D-printed bar-shaped denture base specimens printed at 120-degree and 135-degree build orientation, respectively, whereas group C specimens were milled using a CAD-CAM technology. The surface roughness was assessed using a noncontact profilometer with a 0.01\u2009mm resolution and the flexural strength was determined using a three-point bend test. The maximum load in Newtons (N) at fracture, the flexural stress (MPa), and strain (mm\/mm) was also measured.<\/jats:p><jats:p>\n          Statistical Analysis\u2003Data were analyzed by a statistical software package. One-way analysis of variance test was applied to determine whether significant differences existed among the study groups, followed by Bonferroni post-hoc test to determine which resin group significantly differed from the others in terms of flexural strength and surface roughness (p \u2264 0.05).<\/jats:p><jats:p>\n          Results\u2003The flexural stress (MPa) of group C was 200% of group A and 166% of group B. The flexural modulus was 192% of group A and 161% of group B. In contrast, group A had the lowest mean value among the three groups for all the parameters. No significant difference was seen between group A and group B. The mean roughness values of the CAD-CAM denture base resin specimens (group C) were the least (127356\u2009nm) among all the three groups. The mean surface roughness of the 3D-printed denture base specimens (group A) was 1,34,234\u2009nm and that of group B was (1,45,931\u2009nm); however, it was statistically nonsignificant (p\u2009&gt;\u20090.05)<\/jats:p><jats:p>\n          Conclusions\u2003The CAD-CAM resin displayed superior surface and mechanical properties compared to the 3D-printed resin. The two different build plate angles did not have any significant effect on the surface roughness of the 3D-printed denture base resin.<\/jats:p>","DOI":"10.1055\/s-0043-1768972","type":"journal-article","created":{"date-parts":[[2023,6,9]],"date-time":"2023-06-09T22:54:12Z","timestamp":1686351252000},"page":"321-328","source":"Crossref","is-referenced-by-count":16,"title":["Evaluation of the Influence of Build Orientation on the Surface Roughness and Flexural Strength of 3D-Printed Denture Base Resin and Its Comparison with CAD-CAM Milled Denture Base Resin"],"prefix":"10.1055","volume":"18","author":[{"given":"Naji Ahmad","family":"Alharethi","sequence":"additional","affiliation":[{"name":"Department of Prosthodontic Sciences, College of Dentistry in Ar Rass, Qassim University, Saudi Arabia"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"194","published-online":{"date-parts":[[2023,6,9]]},"reference":[{"issue":"06","key":"ref1","doi-asserted-by":"crossref","first-page":"1221","DOI":"10.1016\/j.prosdent.2021.03.018","article-title":"Mechanical properties of polymethyl methacrylate as a denture base: conventional versus CAD-CAM resin - a systematic review and meta-analysis of in vitro studies","volume":"128","author":"J PJ de Oliveira Lim\u00edrio","year":"2022","journal-title":"J Prosthet Dent"},{"issue":"03","key":"ref2","doi-asserted-by":"crossref","first-page":"183","DOI":"10.14368\/jdras.2020.36.3.183","article-title":"Comparison of flexural strength according to thickness between CAD\/CAM denture base resins and conventional denture base resins","volume":"36","author":"D-H Lee","year":"2020","journal-title":"J Dent Rehabil Appl 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