Sealing of open dentinal tubules by laser irradiation: AFM and SEM observations of dentine surfaces
Language English Country Great Britain, England Media print
Document type Evaluation Study, Journal Article, Research Support, Non-U.S. Gov't
PubMed
18023074
DOI
10.1002/jmr.856
Knihovny.cz E-resources
- MeSH
- Dentin drug effects radiation effects ultrastructure MeSH
- Erythrosine pharmacology MeSH
- Laser Therapy instrumentation methods MeSH
- Dental Etching methods MeSH
- Humans MeSH
- Microscopy, Atomic Force * MeSH
- Microscopy, Electron, Scanning * MeSH
- Dentin Permeability MeSH
- Surface Properties MeSH
- Check Tag
- Humans MeSH
- Publication type
- Journal Article MeSH
- Evaluation Study MeSH
- Research Support, Non-U.S. Gov't MeSH
- Names of Substances
- Erythrosine MeSH
Dentin of human teeth is a vital hydrated tissue. It is strongly sensitive to dehydration and drying that are commonly used in preparation of samples for scanning electron microscopy. Experience in examination of dentine surfaces of extracted human third molars using contact mode atomic force microscopy under moist conditions is described. The examined dentine surfaces are modified by laser radiation produced by a pulsed Nd:YAG laser that leads to sealing of open dentinal tubules under suitable conditions that are reached after covering dentine surfaces with dye agents. Out of four investigated dye agents erythrosin solution in water has been found the most suitable and the lower and upper limits of pulse energies for sealing of dentinal tubules have been set.
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