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SEM and elemental analysis of composite resins
H Hosoda1, T Yamada, S Inokoshi
1Department of Operative Dentistry, Tokyo Medical and Dental University, School of Dentistry, Japan.
The Journal of Prosthetic Dentistry
|December 1, 1990
Summary
This study analyzed various composite resins, categorizing them based on filler type and curing method. Findings guide the selection of appropriate composite resins for dental applications.
Area of Science:
- Dental Materials Science
- Polymer Chemistry
Background:
- Composite resins are widely used dental restorative materials.
- Understanding their properties and classifications is crucial for effective clinical application.
Purpose of the Study:
- To characterize different types of composite resins based on their filler composition and curing methods.
- To provide clinical guidance for selecting appropriate composite resins.
Main Methods:
- Scanning electron microscopy (SEM) was used to examine composite resin samples.
- Energy dispersive electron probe microanalyzer (EDEPMA) analyzed the elemental composition of filler particles.
- Composite resins were classified into established and hypothetical categories.
Main Results:
- Twenty-four chemically cured and 52 light-cured composite resins were analyzed.
- Composite resins were grouped into traditional, microfilled, submicrofilled, hybrid, and semihybrid types.
- Characteristics of each category were detailed.
Conclusions:
- The study provides a classification of composite resins based on material analysis.
- This classification aids in the selective clinical use of different composite resin types for optimal dental restorations.