Article: Biocompatibility of resin-modified filling materials.
2000 Volume 11, Issue 3, Page(s) 333–355
Abstract: ... composite resins and 'adhesive' materials (e.g., resin-modified glass-ionomer cements [GICs] and dentin adhesives ... and for the profession, that the biological effects of resin-based filling materials be clarified ... for conventional composite resins, data reported on the release of substances from resin-based materials are scarce ...
| Abstract | Increasing numbers of resin-based dental restorations have been placed over the past decade. During this same period, the public interest in the local and especially systemic adverse effects caused by dental materials has increased significantly. It has been found that each resin-based material releases several components into the oral environment. In particular, the comonomer, triethyleneglycol di-methacrylate (TEGDMA), and the 'hydrophilic' monomer, 2-hydroxy-ethyl-methacrylate (HEMA), are leached out from various composite resins and 'adhesive' materials (e.g., resin-modified glass-ionomer cements [GICs] and dentin adhesives) in considerable amounts during the first 24 hours after polymerization. Numerous unbound resin components may leach into saliva during the initial phase after polymerization, and later, due to degradation or erosion of the resinous restoration. Those substances may be systemically distributed and could potentially cause adverse systemic effects in patients. In addition, absorption of organic substances from unpolymerized material, through unprotected skin, due to manual contact may pose a special risk for dental personnel. This is borne out by the increasing numbers of dental nurses, technicians, and dentists who present with allergic reactions to one or more resin components, like HEMA, glutaraldehyde, ethyleneglycol di-methacrylate (EGDMA), and dibenzoyl peroxide (DPO). However, it must be emphasized that, except for conventional composite resins, data reported on the release of substances from resin-based materials are scarce. There is very little reliable information with respect to the biological interactions between resin components and various tissues. Those interactions may be either protective, like absorption to dentin, or detrimental, e.g., inflammatory reactions of soft tissues. Microbial effects have also been observed which may contribute indirectly to caries and irritation of the pulp. Therefore, it is critical, both for our patients and for the profession, that the biological effects of resin-based filling materials be clarified in the near future. |
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| MeSH term(s) | Animals ; Biocompatible Materials/chemistry ; Biocompatible Materials/toxicity ; Bisphenol A-Glycidyl Methacrylate/toxicity ; Cells, Cultured/drug effects ; Composite Resins/chemistry ; Composite Resins/toxicity ; Dental Leakage/microbiology ; Dental Restoration, Permanent/adverse effects ; Dentin-Bonding Agents/toxicity ; Dermatitis, Occupational/etiology ; Glass Ionomer Cements/chemistry ; Glass Ionomer Cements/toxicity ; Humans ; Materials Testing ; Methacrylates/toxicity ; Mutagenicity Tests ; Polyethylene Glycols/toxicity ; Polymethacrylic Acids/toxicity ; Polyurethanes/toxicity ; Toxicity Tests |
| Chemical Substances | Biocompatible Materials ; Composite Resins ; Dentin-Bonding Agents ; Glass Ionomer Cements ; Methacrylates ; Polymethacrylic Acids ; Polyurethanes ; urethane dimethacrylate luting resin (125523-74-2) ; triethylene glycol dimethacrylate (14I47YJ5EY) ; Polyethylene Glycols (3WJQ0SDW1A) ; Bisphenol A-Glycidyl Methacrylate (454I75YXY0) ; hydroxyethyl methacrylate (6E1I4IV47V) |
| Language | English |
| Publishing date | 2000 |
| Publishing country | United States |
| Document type | Journal Article ; Review |
| ZDB-ID | 1130962-3 |
| ISSN | 1045-4411 |
| ISSN | 1045-4411 |
| DOI | 10.1177/10454411000110030401 |
| Database | MEDical Literature Analysis and Retrieval System OnLINE |
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