Gröger, Gerhard ; Rosentritt, Martin ; Behr, Michael ; Schröder, Josef ; Handel, Gerhard
Alternative Links zum Volltext:DOIVerlag
| Dokumentenart: | Artikel |
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| Titel eines Journals oder einer Zeitschrift: | Journal of Materials Science: Materials in Medicine |
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| Verlag: | SPRINGER |
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| Ort der Veröffentlichung: | DORDRECHT |
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| Band: | 17 |
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| Nummer des Zeitschriftenheftes oder des Kapitels: | 9 |
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| Seitenbereich: | S. 825-828 |
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| Datum: | 2006 |
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| Institutionen: | Medizin > Lehrstuhl für Pathologie
Medizin > Lehrstuhl für Zahnärztliche Prothetik |
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| Identifikationsnummer: | | Wert | Typ |
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| 10.1007/s10856-006-9841-2 | DOI |
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| Stichwörter / Keywords: | RESTORATIVE MATERIALS; COMPOSITES; WEAR; DEGRADATION; FILLER; WATER; |
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| Dewey-Dezimal-Klassifikation: | 600 Technik, Medizin, angewandte Wissenschaften > 610 Medizin |
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| Status: | Veröffentlicht |
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| Begutachtet: | Ja, diese Version wurde begutachtet |
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| An der Universität Regensburg entstanden: | Ja |
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| Dokumenten-ID: | 69840 |
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Web of Science
Zusammenfassung
Dental resins deteriorate clinically due to chewing forces, temperature changes, chemical agents or biological attack. Findings concerning these influences on the different components of a resin are limited. The aim of this study was to evaluate an alternative method for assessing the influence of the oral cavity on dental materials and their individual components as well as analyzing degradation ...
Zusammenfassung
Dental resins deteriorate clinically due to chewing forces, temperature changes, chemical agents or biological attack. Findings concerning these influences on the different components of a resin are limited. The aim of this study was to evaluate an alternative method for assessing the influence of the oral cavity on dental materials and their individual components as well as analyzing degradation effects over time. Seven dental composite and resin materials were inserted into the upper complete dentures of two subjects and evaluated after one year with a transmission electron microscope. The various resin components showed different degrees or deterioration. Composites with an urethandimethacrylate matrix were less vulnerable. A layer of salivary proteins (pellicle) was found on all materials but the polymethylmethacrylate reference. An accumulation of pellicle on filler particles and the crevice between filler and matrix was noted. We conclude that the tested method is effective for evaluating the interaction between the material's components and the biological environment. Further studies are needed to confirm these observations.
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