Effect of pore topology on the remineralization rate of surface-softened enamel and synthetic hydroxyapatite: an experimental comparison and mathematical model
| Autor: | Klinger Hg, Redelberger T, Wiedemann W |
|---|---|
| Rok vydání: | 1991 |
| Předmět: |
Materials science
Surface Properties Mineralogy Apatite Dental Enamel Solubility stomatognathic system Hardness medicine Humans Least-Squares Analysis Dental Enamel General Dentistry Topology (chemistry) Remineralisation Mineral Chi-Square Distribution Enamel paint Precipitation (chemistry) Microstructure Tooth enamel stomatognathic diseases medicine.anatomical_structure Chemical engineering Models Chemical visual_art Tooth Remineralization visual_art.visual_art_medium Hydroxyapatites Porosity |
| Zdroj: | Caries research. 25(2) |
| ISSN: | 0008-6568 |
| Popis: | Experiments with surface-softened synthetic hydroxyapatite show similar remineralization rates as surface-softened human enamel. The mineral gain with respect to time relates to parameters governing the precipitation of mineral in the specimens. A mathematical model regarding the mineral precipitation on the pore surface is fitted to the experimental values. We obtained comparable precipitation rates for apatite and tooth enamel. The geometry of the pores, however, proved to be different: a mostly tube-like pore structure must be attributed to demineralized enamel, while the synthetic hydroxyapatite specimens remineralize like a ramified, crack-like microstructure of pores. |
| Databáze: | OpenAIRE |
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