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Structural and mechanical analysis of three orthodontic adhesive composites cured with different light units

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dc.contributor.authorYILMAZ, BERZA
dc.contributor.authorBAKKAL, MELTEM
dc.contributor.authorKurt, BELMA
dc.contributor.institutionauthorYILMAZ, BERZA
dc.contributor.institutionauthorBAKKAL, MELTEM
dc.contributor.institutionauthorZENGİN KURT, BELMA
dc.date.accessioned2020-05-09T20:59:05Z
dc.date.available2020-05-09T20:59:05Z
dc.date.issued2020-04-01T00:00:00Z
dc.description.abstractObjective: To evaluate the effects of three different curing units on the physical and mechanical features of three different orthodontic adhesive resin materials. Material and Methods: 45 specimens (5 mm in diameter, and 2 mm in thickness) of each of the three different adhesive composite resin materials (Transbond XT, Grēngloo™ Adhesive and Light Bond Paste) were cured with three different light units (a polywave third generation (Valo), a monowave (DemiUltra), and a second-generation LED (Optima 10)). To quantify degree of conversion (DC), the Attenuated Total Reflectance Fourier Transform Infrared Spectroscopy was used in transmission mode (ALPHA FT-IR Spectrometer, Bruker Optics, Germany). Vickers hardness value was recorded under constant load 100 g for 10 s with a microhardness tester (HMV M-1, Shimadzu Corp., Kyoto, Japan). The data were statistically analyzed using Kruskal-Wallis and chi-square tests. The level of significance was considered p<0.05. Results: The highest DC values were obtained as a result of curing with Optima 10. This rate was followed by Demi Ultra and Valo, respectively. Transbond XT samples showed a lower level of conversion than the samples of Light Bond Paste and Grēngloo™ Adhesive. The top surfaces of each material showed higher hardness values than the bottom surfaces (p<0.05). The Light Bond Paste showed the highest hardness values both on the top and bottom surfaces among the three materials, followed by Grēngloo™ Adhesive. While the hardness values of the top surfaces of the samples cured with Demi Ultra and Valo light units were similar, higher hardness values are recorded with Valo on the bottom surfaces (Valo; 85.200/75.200 (top/bottom) versus Demi Ultra; 86.100/66.000 (top/bottom)). Conclusions: The different DC and the surface hardness properties were recorded for the resin as orthodontic adhesives depending on different light units. Shorter radiation time caused lower DC and surface hardness values.en
dc.identifier.citationYILMAZ B., BAKKAL M., Kurt B., -Structural and mechanical analysis of three orthodontic adhesive composites cured with different light units-, JOURNAL OF APPLIED BIOMATERIALS & FUNCTIONAL MATERIALS, cilt.18, 2020
dc.identifier.doi10.1177/2280800020901716
dc.identifier.pubmed32242502
dc.identifier.urihttps://hdl.handle.net/20.500.12645/17979
dc.identifier.wosWOS:000523641100001
dc.language.isoen
dc.rightsinfo:eu-repo/semantics/openAccessen
dc.titleStructural and mechanical analysis of three orthodontic adhesive composites cured with different light units
dc.typeArticle
dspace.entity.typePublication
local.avesis.ida5a71b9c-af54-4f0a-8f80-624ec33e6efc
local.publication.isinternational1
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relation.isAuthorOfPublication3fd265b5-fdd8-4c56-949b-deb0303c3db7
relation.isAuthorOfPublication.latestForDiscoveryf50b2ce3-0215-45d3-979d-9bda78638762
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