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Dual-curing resin cement with colour indicator for adhesively cemented restorations to dental tissues: Change of colour by curing and some physical properties

Pekka K. Vallittu; Aki Niemi; Ravikumar Ramakrishnaiah; Leila Perea-Lowery; Samer M.Alaqeel

dc.contributor.authorPekka K. Vallittu
dc.contributor.authorAki Niemi
dc.contributor.authorRavikumar Ramakrishnaiah
dc.contributor.authorLeila Perea-Lowery
dc.contributor.authorSamer M.Alaqeel
dc.date.accessioned2022-10-28T13:22:26Z
dc.date.available2022-10-28T13:22:26Z
dc.identifier.urihttps://www.utupub.fi/handle/10024/164715
dc.description.abstract<p>The study was aimed to investigate a color indicator containing dual curing resin composite luting cement and to plot the color change to the time of solidification of the cement. In addition some physical properties were studied. Specimens were made of a dual-cure resin cement (Maxcem Elite™ Chroma, Kerr, Orange, CA, USA) and polymerized by autopolymerization only, or with light initiated polymerization. A spectrophotometer was used to quantify the color change of the cement as plotted with the curing time. The efficacy of the curing process was studied by measuring water sorption and the ultimate flexural properties of the cement. The results showed that the flexural strength of cement after autopolymerization was 27.3 MPa and after light initiated polymerization 48.1 MPa. Young's modulus of bending was 2089.3 MPa and 3781.5 MPa respectively for the same cement samples. Water sorption after two weeks for the autopolymerization cement samples was -1.12 wt% and for the light initiated polymerization samples 0.56 wt%. Non-parametric Spearman's correlation was measured for autopolymerized cement samples between variables for color and solidification load (N), which showed a strong correlation between curing process and color change (p < 0.05). There was a correlation between the color change and degree of monomer conversion of the dual curing resin composite luting cement which contained a color indicator system for polymerization reaction. The study also suggested that autopolymerization only resulted in suboptimal polymerization of the cement. By additional light curing considerably higher flexural properties were obtained.</p>
dc.language.isoen
dc.publisherKing Saud University
dc.titleDual-curing resin cement with colour indicator for adhesively cemented restorations to dental tissues: Change of colour by curing and some physical properties
dc.identifier.urnURN:NBN:fi-fe2021042826709
dc.relation.volume27
dc.contributor.organizationfi=Turun Kliininen Biomateriaalikeskus (TCBC)|en=Turku Clinical Biomaterials Centre (TCBC)|
dc.contributor.organizationfi=hammaslääketieteen laitos yhteiset|en=Institute of Dentistry|
dc.contributor.organization-code2607500
dc.contributor.organization-code2607511
dc.converis.publication-id44086895
dc.converis.urlhttps://research.utu.fi/converis/portal/Publication/44086895
dc.format.pagerange395
dc.format.pagerange400
dc.identifier.eissn2213-7106
dc.identifier.jour-issn1319-562X
dc.okm.affiliatedauthorPerea-Lowery, Leila
dc.okm.affiliatedauthorVallittu, Pekka
dc.okm.discipline313 Dentistryen_GB
dc.okm.discipline313 Hammaslääketieteetfi_FI
dc.okm.internationalcopublicationinternational co-publication
dc.okm.internationalityInternational publication
dc.okm.typeJournal article
dc.publisher.countryAlankomaatfi_FI
dc.publisher.countryNetherlandsen_GB
dc.publisher.country-codeNL
dc.relation.doi10.1016/j.sjbs.2019.10.009
dc.relation.ispartofjournalSaudi Journal of Biological Sciences
dc.relation.issue1
dc.year.issued2020


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