Results 1 to 10 of about 2,045,110 (423)

Effect of preheating on the cytotoxicity of bulk-fill composite resins [PDF]

open access: yesJournal of Dental Research, Dental Clinics, Dental Prospects, 2020
Background. Due to the effect of pre-heating on the degree of conversion of composite resins and the possible effect on cytotoxicity, the effect of pre-heating of bulk-fill composite resins was investigated on cytotoxicity in this study. Methods. In this
Mohammad Esmaeel Ebrahimi Chaharom   +8 more
doaj   +2 more sources

Volumetric polymerization shrinkage of contemporary composite resins [PDF]

open access: yesJournal of Applied Oral Science, 2007
The polymerization shrinkage of composite resins may affect negatively the clinical outcome of the restoration. Extensive research has been carried out to develop new formulations of composite resins in order to provide good handling characteristics and ...
Halim Nagem Filho   +5 more
doaj   +4 more sources

Cytotoxicity of Different Composite Resins on Human Gingival Fibroblast Cell Lines

open access: yesBiomimetics, 2021
The aim of the present study was to evaluate and compare the cytotoxic effects of eight composite resins on immortalized human gingival fibroblasts. Composite resins were eluted in cell culture medium for 48 or 72 h at 37 °C.
Riccardo Beltrami   +5 more
doaj   +2 more sources

Relationship between Color and Translucency of Multishaded Dental Composite Resins [PDF]

open access: yesInternational Journal of Dentistry, 2012
The aim of the present study was to compare the translucency of different shades of two highly aesthetic multilayered restorative composite resins. In total nine shades from Esthet.X and ten shades from Filtek Supreme composite resins were chosen.
Homan Naeimi Akbar   +3 more
doaj   +4 more sources

Color change of composite resins subjected to accelerated artificial aging

open access: yesIndian Journal of Dental Research, 2013
Aim: The aim of this study was to evaluate the influence of accelerated artificial aging (AAA) on the color change of composite resins used in dentistry.
Denise Cremonezzi Tornavoi   +3 more
doaj   +2 more sources

Vickers microhardness comparison of 4 composite resins with different types of filler.

open access: yesJournal of Oral Research, 2015
Composite resins are the material of choice to restore minimal invasive cavities; conversely, it is important to explore the mechanical properties of commercially available dental materials.
René García-Contreras   +5 more
doaj   +2 more sources

In Vitro Evaluation of Gastric Acid and Toothbrushing Effect on the Surface State of Different Types of Composite Resins [PDF]

open access: yesMedicina, 2022
Background and Objectives: The aim of this in vitro study was to evaluate the effect of gastric acid associated with the effect of toothbrushing on the surface roughness of different types of composite resin used for direct restorations.
Ionuț Tărăboanță   +8 more
doaj   +2 more sources

In vitro attrition wear resistance of four types of paste-like bulk-fill composite resins [PDF]

open access: yesBMC Oral Health, 2022
Background Recently, the application of bulk-fill composite resins has increased significantly. Attrition wear and the consequently increased surface roughness of composite resins are among the causes of restoration failure in the posterior teeth.
Faeze Asadian   +5 more
doaj   +2 more sources

Masking Ability of Bleach Shade Composite Resins in Different Thicknesses [PDF]

open access: yesInternational Journal of Dentistry, 2022
Introduction. In recent years, the use of bleach shade composite resins has increased due to the high esthetic demands. The aim of the present study was to investigate the masking ability and translucency of several bleach shade composite resins ...
Haleh Valizadeh-Haghi   +3 more
doaj   +2 more sources

Biocompatibility of composite resins

open access: yesDental Research Journal, 2011
Dental materials that are used in dentistry should be harmless to oral tissues, so they should not contain any leachable toxic and diffusible substances that can cause some side effects.
Sayed Mostafa Mousavinasab
doaj   +3 more sources

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