ArticleBMC oral health2025
Comparison of polymerization behaviors, microhardness and compressive strength between bulk-fill resin and dual-cured core resin.
Article in BMC oral health, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- Shrinkage Stress, Polymerization Kinetics, and Hardness of Light and Self-Cured Bulk-Fill Resin-Based Composites.Materials (Basel, Switzerland) · 2026Article
- Mechanical Properties of Composite Core Build-Up Materials: A Comparative Study.Materials (Basel, Switzerland) · 2026Article
- A Narrative Review of the Material Properties, Clinical Efficacy, and Developmental Prospects of Bulk-Fill Resin-Based Composites.Clinical, cosmetic and investigational dentistry · 2026Review
- Optical and Mechanical Characteristics of One-Shade Composite Resins.Journal of functional biomaterials · 2025Article
- Evaluation of the Effect of Different Light-Curing Protocols on the Microhardness of Contemporary Bulk-Fill Resin Composites.Polymers · 2025Article
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Authors and funding
6 authors.
Funding
Abstract
objectivesThis study aimed to investigate the polymerization shrinkage, microhardness, DOC, and compressive strength of composite resin materials employed for core restoration, encompassing dual-cured core resin composites and LC bulk-fill composites.
methodsBulk-fill resin composites [Filtek One Bulk fill (BFO), Bulk Fill Base (BBB), Metafil Bulkfill One (BMF)] and dual-cured core resin composites (Luxacore Z, Any-Core) served as the experimental group, while two conventional LC resin composites [Filtek Z350 (FTZ), metafil flo (FMF)] served as the control group. Two dual-cured core resin composites were named as follows, CLD, CLS (Luxacore Z, in dual-cured mode and self-cured (SC) mode); CAD and CAS (Any-Core, in dual-cured mode and SC mode). Linear polymerization shrinkage, depth of cure (DOC) using microhardness, and compressive strength were evaluated for each experimental group. The results were analyzed using one-way ANOVA, and a post-hoc test (Duncan's test) was performed at a 95% confidence level.
resultsThe linear polymerization shrinkage rate was higher in the dual-pol9ymerization core resin group than in the control group FTZ and bulk-fill resin groups, and in each dual-cured core resin, the dual-cured group was higher than the SC group. The DOC was higher in the bulk-fill resin group than in the control group, and the DOC of the dual-cured core resin group showed a significant variation depending on the product. The compressive strength of the bulk-fill resin group showed a significant variation depending on the product. The compressive strength in the bulk-fill resin group was higher as the filler content increased in the dual-cured mode than the SC mode in the dual-cured core resin group.
conclusionsBulk-fill resins showed superior polymerization shrinkage and DOC compared to conventional resin composites and dual-cured core resins. At 4 mm depth, Bulk-fill resin composites achieved an appropriate DOC, but for dual-cured core resins, the DOC varied depending on the product. CLINICAL SIGNIFICANCE: Highly filled bulk-fill resins could be a predictable restorative material for deep cavities and post-endodontic core material, considering its polymerization shrinkage, DOC, and mechanical properties.
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