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An intra-oral single-section demineralization/remineralization model
1Dows Institute for Dental Research, University of Iowa, College of Dentistry, Iowa City 55242.
Journal of Dental Research
|April 1, 1992
Summary
This intra-oral crown model effectively evaluates in situ demineralization and remineralization. It provides reliable data on mineral changes from various agents, reducing study artificiality.
Area of Science:
- Dental research
- Biomaterials science
- Mineralization studies
Background:
- In situ studies are crucial for evaluating oral care products.
- Existing models can be artificial and time-consuming.
- A need exists for more natural and efficient in situ evaluation methods.
Purpose of the Study:
- To review the utility of a novel intra-oral crown single-section model.
- To assess its effectiveness in evaluating in situ demineralization and remineralization.
- To highlight the model's advantages over traditional methods.
Main Methods:
- Utilized a custom intra-oral gold crown with slots for 3-4 single sections.
- Included enamel and root sections (lesioned and sound) characterized pre- and post-experiment.
- Sections were exposed to natural plaque formation, saliva, and experimental regimens.
Main Results:
- The model successfully evaluated mineral changes from fluoride treatments, chewing gum, and food sequencing.
- Demonstrated before-and-after measurements on identical sections.
- Facilitated natural oral environment interactions and episodic demineralization/remineralization.
Conclusions:
- The intra-oral crown model significantly reduces artificiality in in situ studies.
- It serves as a valuable predictor of demineralization and remineralization interactions.
- The model offers a practical and efficient approach for oral health research.