Effect of simulated brushing and disinfection on the surface roughness and color stability of CAD-CAM denture base materials

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dc.authoridMustafa Borga Dönmez / 0000-0002-3094-7487en_US
dc.authorscopusid
dc.authorwosidMustafa Borga Dönmez / AGY-6155-2022en_US
dc.contributor.authorÇakmak, Gülce
dc.contributor.authorDönmez, Mustafa Borga
dc.contributor.authorAkay, Canan
dc.contributor.authorAtalay, Sevda
dc.contributor.authorSilva de Paula, Marcella
dc.contributor.authorSchimmel, Martin
dc.contributor.authorYılmaz, Burak
dc.date.accessioned2022-08-08T10:42:24Z
dc.date.available2022-08-08T10:42:24Z
dc.date.issued2022en_US
dc.departmentİstinye Üniversitesi, Diş Hekimliği Fakültesi, Klinik Bilimler Bölümüen_US
dc.description.abstractPurpose: To evaluate the effect of simulated brushing and chemical disinfection on the surface roughness and color stability of CAD-CAM denture base materials and to compare with those of a heat-cured denture base material. Material and methods: Disk-shaped specimens (Ø 10mm × 2 mm) were prepared from 3 CAD-CAM denture base resins (AvaDent, Ava; Merz M-PM, Merz; Polident d.o.o, Poli) and a heat-cured polymethylmethacrylate resin (Promolux, Conv) (n = 30). After polishing, baseline surface roughness (Ra) and color coordinates were measured. The measurements were repeated after 20000 cycles of simulated brushing, and the specimens were divided into 3 groups according to disinfection protocol (distilled water, 1% sodium hypochlorite (NaOCl), and effervescent tablet) (n = 10). After 9 cleaning cycles over a period of 20 days, Ra and color coordinates were remeasured. Color differences (?E00) were calculated by using CIEDE2000 formula. One-way analysis of vari- ance (ANOVA) and pairwise t-tests were used to analyze Ra and ?E00 data, while repeated measures ANOVA test was used to compare baseline, after brush, and after disinfection Ra values (? = 0.05). Results: Brushing did not affect the Ra values of tested materials (P ? .08). Both before and after brushing, Merz and Conv had higher Ra values than Poli and Ava (P < .001). Among disinfectants, effervescent tablet led to the lowest Ra for Merz (P = .003) and the highest Ra for Poli (P ? .039). Only NaOCl resulted in significant dif- ferences among the Ra of materials (P < .001), as Merz and Conv had higher Ra values than Poli (P ? .002). Repeated measures ANOVA revealed that effervescent tablet disinfection of Merz led to lower Ra values than those of baseline and after brushing (P ? .042). After brushing, Ava and Conv had higher ?E00 values compared with Merz and Poli (P ? .015). When compared with other disinfection protocols, effervescent tablet led to higher ?E00 values for Merz and Poli (P < .001). Significant differences were observed among materials when NaOCl was used; Conv had higher ?E00 values than Ava and Merz (P = .004). Conclusions: Brushing did not increase the surface roughness of materials. Disinfection protocol’s effect on the surface roughness varied. The effect of brushing on the color of materials varied; color of Ava and Conv was affected from brushing more than the other materials. Color stability of materials varied depending on the disinfection protocol. Effervescent tablet caused higher color change with Merz and Poli compared with other disinfectants. NaOCl led to small color change for Poli, Ava, and Merz materials.en_US
dc.identifier.citationÇakmak G, Donmez MB, Akay C, Atalay S, Silva de Paula M, Schimmel M, Yilmaz B. Effect of simulated brushing and disinfection on the surface roughness and color stability of CAD-CAM denture base materials. J Mech Behav Biomed Mater. 2022 Jul 21;134:105390. doi: 10.1016/j.jmbbm.2022.105390. Epub ahead of print. PMID: 35917636.en_US
dc.identifier.doi10.1016/j.jmbbm.2022.105390en_US
dc.identifier.issn1751-6161en_US
dc.identifier.pmid35917636en_US
dc.identifier.scopus2-s2.0-85135172795en_US
dc.identifier.scopusqualityQ2en_US
dc.identifier.urihttp://doi.org/10.1016/j.jmbbm.2022.105390
dc.identifier.urihttps://hdl.handle.net/20.500.12713/3069
dc.identifier.wosWOS:000878088800006en_US
dc.identifier.wosqualityQ2en_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 the Mechanical Behavior of Biomedical Materialsen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectCAD-CAMen_US
dc.subjectColor Stabilityen_US
dc.subjectDenture Baseen_US
dc.subjectDisinfectionen_US
dc.subjectSimulated Brushingen_US
dc.subjectSurface Roughnessen_US
dc.titleEffect of simulated brushing and disinfection on the surface roughness and color stability of CAD-CAM denture base materialsen_US
dc.typeArticleen_US

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