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Replica of human dentin treated with different desensitizing agents: a methodological SEM study in vitro
Jose Carlos Pereira1, Ana Christina Bonato Figueiredo Martineli, Ming S Tung
1Dentistry, Endodontics and Dental Materials Department, Bauru School of Dentistry, University of Sao Paulo, Brazil. jcper@fob.usp.br
Brazilian Dental Journal
|September 20, 2002
Summary
This study presents a new in vitro method for replicating dentin surfaces after applying desensitizing agents. The technique accurately reproduces dentin characteristics for scanning electron microscopy (SEM) analysis.
Area of Science:
- Dentistry
- Materials Science
Background:
- Desensitizing agents aim to occlude dentinal tubules.
- Accurate surface analysis is crucial for evaluating agent efficacy.
Purpose of the Study:
- To establish an in vitro methodological sequence for reproducing dentin surfaces.
- To enable scanning electron microscopy (SEM) analysis of dentin treated with desensitizing agents.
Main Methods:
- Human third molar dentin discs were etched and treated with desensitizing agents.
- Impressions were made using polyvinyl siloxane material.
- Resin replicas of the impressions were created for SEM analysis.
Main Results:
- The developed technique successfully reproduced the dentin surface characteristics.
- Photomicrographs of replicas correlated with the original treated dentin surfaces.
Conclusions:
- The proposed method allows for reliable in vitro reproduction of treated dentin surfaces.
- This technique is suitable for SEM evaluation of desensitizing agents.