ArticleActa ortopedica brasileira
Physical and mechanical characterization of a porous cement for metaphyseal bone repair.
Article in Acta ortopedica brasileira. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed, 16 citations in OpenAlex.
- Antibiotic-Releasing Porous Shell Cements.Antibiotics (Basel, Switzerland) · 2026Article
- [Updates on Bone Grafts and Substitutes].Revista brasileira de ortopedia · 2025Article
- Updates on Bone Grafts and Substitutes.Revista brasileira de ortopedia · 2025Article
- Effect of Bone Cement Thickness on the Risk of Scalded Skin in Joint Surgery.Orthopaedic surgery · 2023Article
- Development prospects of curable osteoplastic materials in dentistry and maxillofacial surgery.Heliyon · 2020Review
- Biomimetic Design for a Dual Concentric Porous Titanium Scaffold with Appropriate Compressive Strength and Cells Affinity.Materials (Basel, Switzerland) · 2020Article
- Current concepts and outcomes in cemented femoral stem design and cementation techniques: the argument for a new classification system.EFORT open reviews · 2020Review
- The "Magnesium Sacrifice" Strategy Enables PMMA Bone Cement Partial Biodegradability and Osseointegration Potential.International journal of molecular sciences · 2018Article
- Hydrothermal Fabrication of Highly Porous Titanium Bio-Scaffold with a Load-Bearable Property.Materials (Basel, Switzerland) · 2017Article
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
objectiveMacroporous cement with mechanical properties similar to cancellous bone may improve the treatment of large bone defects in relation to solid acrylic cement. The aim of this study was to compare physical and mechanical characteristics of a polymethyl methacrylate (PMMA) based porous cement with cancellous bone.
methodsCompressive strength and pore size, interconnectivity, and distribution of cylindrical porous PMMA cement samples containing 10% (G1), 20% (G2) or 30% (G3) effervescent components were analyzed. Results were compared to bovine cancellous bone (G4) and solid PMMA (G5) samples.
resultsScanning electron microscopy (SEM) of all experimental samples (G1 - G3) revealed a random distribution and a wide size variation of pores ranging from 50 µm to 3 mm. Micro-CT showed that G2 have high porosity and lower interconnectivity of pores. No significant differences in yield strength and Young's modulus were observed among G1, G2 and G3. G4 samples were slightly stronger and less elastic than the other groups. Solid PMMA is extremely strong and inelastic.
conclusionsPMMA based porous cement met the expected characteristics. High porosity with large and interconnected pores may allow for bone ingrowth. Strength and elasticity similar to cancellous bone may enhance mechanical stimuli to bone remodeling. Observational Descriptive Study.
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