ArticleMaterials (Basel, Switzerland)2022
How the Duration and Mode of Photopolymerization Affect the Mechanical Properties of a Dental Composite Resin.
Article in Materials (Basel, Switzerland), 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 20 papers.
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Who cites it
20 citing papers in PubMed, 27 citations in OpenAlex.
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- Effect of Ultra-Fast Light Curing on the Irradiated-Surface Degree of Conversion and Polymer-Network Quality of Bioactive and Conventional Bulk-Fill Resin Composites: An In Vitro Study.Materials (Basel, Switzerland) · 2026Article
- Proximal Post-Curing Improves Microhardness of Class-II Resin Composite Restorations.Journal of functional biomaterials · 2026Article
- Influence of high-power light-curing modes on the mechanical and optical properties of no-cap bulk-fill resin composites.BMC oral health · 2026Article
- Investigation of the effects of different beverages on color change, surface roughness, and bacterial adhesion of nanohybrid and microhybrid composites.BMC oral health · 2026Article
- The Effect of a Targeted Educational Intervention on Light-Curing Confidence and Skills in Multidisciplinary Dental Training.Journal of dental education · 2025Article
- Effect of wavelength and radiant emittance on light transmittance and temperature increase in dental resin-based composites.Journal of applied oral science : revista FOB · 2025Article
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- Influence of Low pH on the Microhardness and Roughness Surface of Dental Composite-A Preliminary Study.Materials (Basel, Switzerland) · 2024Article
- Influence of Layer Thickness and Shade on the Transmission of Light through Contemporary Resin Composites.Materials (Basel, Switzerland) · 2024Article
- Influence of Light-Curing Time and Increment Thickness on the Properties of Bulk Fill Composite Resins With Distinct Application Systems.International journal of dentistry · 2024Article
- Surface hardness and flexural strength of dual-cured bulk-fill restorative materials after solvent storage.BMC oral health · 2023Article
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- The Impact of Simulated Bruxism Forces and Surface Aging Treatments on Two Dental Nano-Biocomposites-A Radiographic and Tomographic Analysis.Medicina (Kaunas, Lithuania) · 2023Article
- A Scoping Review on the Polymerization of Resin-Matrix Cements Used in Restorative Dentistry.Materials (Basel, Switzerland) · 2023Article
- Assessment of Intra-Oral Repair Systems for Veneered Zirconia and Zirconia Only.Materials (Basel, Switzerland) · 2023Article
- Effect of Different Mouthwashes on the Surface Microhardness and Color Stability of Dental Nanohybrid Resin Composite.Polymers · 2023Article
- Effect of Different Types of Adhesive Agents on Orthodontic Bracket Shear Bond Strength: A Cyclic Loading Study.Materials (Basel, Switzerland) · 2023Article
- Mechanical and Biomimetic Characteristics of Bulk-Fill Resin Dental Composites Following Exposure in a Simulated Acidic Oral Environment.Biomimetics (Basel, Switzerland) · 2023Article
Corrections and comments
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Authors and funding
5 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Composite materials are the most common materials in use in modern dentistry. Over the years, the methods of photopolymerization of composite materials have been improved with the use of various devices, such as quartz tungsten halogen lamps (QTHs), light-emitting diode units (LEDs), plasma-arc lamps and argon-ion lasers. This study aimed to compare the mechanical properties of a composite material, depending on the time and mode of photopolymerization. One hundred and forty rectangular specimens (25 × 2 × 2 mm) and forty-two disc-shaped samples (5 mm diameter and 2 mm thickness) were prepared from shade A2 Boston composite resin. Samples were cured using the following seven photopolymerization protocols: four fast-cure modes (full power for 3, 5, 10, and 20 s), two pulse-cure modes (5 and 10 shots of 1 s exposures at full power), and one step-cure mode (soft start with a progressive cycle lasting 9 s). Specimens were subjected to a flexural strength test, Vickers microhardness test, and FTIR spectroscopy test. A 2-factor ANOVA and post-hoc tests were carried out to assess the differences in the flexural strength parameter between the tested groups of samples before and after aging. A mixed-model ANOVA was carried out to assess the differences in the Vickers microhardness parameter between the tested groups of samples before and after aging. The lowest values of flexural strength (p < 0.001) and Vickers microhardness (p < 0.001) were obtained for the 3 s mode for the pre- and post-aging groups. The FTIR mapping tests showed a much more homogeneous chemical structure of the composite after 20 s of continuous irradiation, compared to the sample irradiated for 5 s in the continuous mode. The mode and cure time affects the mechanical properties of the composite resin. Appropriate selection of the cure mode and time ensures better mechanical properties of composite resin. This suggests that the survival of dental restorations within the oral cavity could be extended by using longer photopolymerization durations.
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