Related Experiment Video
Updated: Dec 28, 2025
09:46
Accessing the Cytotoxicity and Cell Response to Biomaterials
Published on: July 8, 2021
4.4K
The Biomaterial-Induced Cellular Reaction Allows a Novel Classification System Regardless of the Biomaterials Origin
Sarah Al-Maawi1, James L Rutkowski2, Robert Sader1
1FORM-Lab, Frankfurt Oral Regenerative Medicine, Department for Oral, Cranio-Maxillofacial and Facial Plastic Surgery, Medical Center of the Goethe University, Frankfurt, Germany.
The Journal of Oral Implantology
|February 19, 2020
Summary
This study classifies biomaterials based on cellular reactions, specifically multinucleated giant cells (MNGCs), to predict integration or disintegration. This classification aids in selecting suitable biomaterials for clinical applications.
Area of Science:
- Biomaterials Science
- Tissue Engineering
- Cellular Biology
Background:
- Clinical applications of biomaterials lack standardized evaluation parameters.
- Understanding in vivo cellular reactions is crucial for biomaterial assessment.
Purpose of the Study:
- To classify biomaterials based on induced cellular reactions (MNGCs).
- To correlate cellular reactions with clinical outcomes for regeneration.
- To provide a tool for assessing biomaterial suitability.
Main Methods:
- Retrospective histological analysis of 13 polymeric biomaterials and 19 bone substitute materials (BSMs).
- Standardized subcutaneous implantation model in animals.
- Semiquantitative analysis of multinucleated giant cells (MNGCs) and vascularization at 3, 15, and 30 days.
Main Results:
- Polymeric biomaterials classified into three groups based on MNGC induction (Class I: none, Class II: constant, Class III: increasing).
- BSMs also classified into three groups based on MNGC induction patterns.
- Increasing MNGCs over 30 days correlated with biomaterial disintegration; absence of MNGCs correlated with integration.
Conclusions:
- A novel classification system for biomaterials based on MNGC response is proposed.
- Physicochemical properties, not origin, primarily influence cellular reactions.
- This classification aids clinicians in selecting appropriate biomaterials for bone and soft tissue applications.
Related Concept Videos
01:24Microbial Classification System
708
Classification is the process of organizing organisms into hierarchically inclusive groups based on their phenotypic similarities or evolutionary relationships. A species comprises one or more strains, and closely related species are grouped into genera. Genera are further classified into families, families into orders, orders into classes, and so forth, up to the domain level, which is the broadest taxonomic rank derived from a combination of phenotypic and genotypic data.The nomenclature of...
708
01:22Classification of Epithelial Tissues: Overview
19.4K
Epithelial tissues are classified according to the shape of the cells and the number of cell layers formed. Cell shapes can be squamous (flattened and thin), cuboidal (square-like, as wide as it is tall), or columnar (rectangular, taller than it is wide). Additionally, the nucleus shape helps identify the type of epithelial cells. Squamous cells have flattened disc-shaped nuclei, cuboidal cells have spherical nuclei, and columnar cells have elongated nuclei.
Based on the number of cell layers,...
Based on the number of cell layers,...
19.4K
01:31Classification of Systems-II
430
Continuous-time systems have continuous input and output signals, with time measured continuously. These systems are generally defined by differential or algebraic equations. For instance, in an RC circuit, the relationship between input and output voltage is expressed through a differential equation derived from Ohm's law and the capacitor relation,
430
01:28Methods of Classification and Identification
853
Bacterial identification relies on a diverse array of techniques to classify and understand microorganisms, each tailored to uncover specific characteristics. Traditional morphological approaches, while still valuable, are limited for closely related or structurally simple organisms. Modern methods integrate biochemical, serological, genetic, and advanced molecular tools to achieve greater accuracy.Morphological and Biochemical TechniquesMorphological characteristics, such as cell shape and...
853