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Caries-preventive potential of an adhesive patch after thermomechanical loading--a microbial-based in vitro study
Patrick R Schmidlin1, Ilja Klück, Jörg Zimmermann
1Clinic for Preventive Dentistry, Periodontology and Cariology, Center for Dental and Oral Medicine and Cranio-Maxillofacial Surgery, University of Zürich, Plattenstrasse 11, 8028 Zürich, Switzerland. patrick.schmidlin@zzmk.unizh.ch
A new adhesive patch effectively seals enamel, completely preventing demineralization in laboratory tests. This promising dental sealant warrants further investigation for interproximal caries protection.
Area of Science:
- Dental materials science
- Caries prevention research
Background:
- Dental caries remains a significant public health concern, particularly affecting smooth enamel surfaces.
- Effective sealing of enamel surfaces is crucial for preventing early demineralization and caries development.
Purpose of the Study:
- To evaluate the enamel-protective efficacy of a novel adhesive patch designed for smooth enamel sealing.
- To compare the protective potential of the adhesive patch against conventional flowable composites and unfilled resins.
Main Methods:
- Extracted molars were divided into three sections: negative control (flowable composite), positive control (untreated), and test areas.
- Test areas were treated with unfilled resin, the prototype adhesive patch, or the patch with flowable composite.
- Samples underwent thermomechanical loading and demineralization in a microbial artificial caries chamber, followed by depth assessment using confocal laser scanning microscopy.
Main Results:
- Flowable composite (negative control) and all adhesive patch applications completely prevented demineralization.
- Untreated sites exhibited significant demineralization (mean depth 134.3 µm).
- Unfilled resin showed reduced demineralization (mean depth 76.2 µm) compared to untreated sites (p=0.023).
Conclusions:
- The investigated adhesive patch demonstrated complete protection against demineralization under study conditions.
- The findings suggest the adhesive patch has significant potential as an interproximal sealant for caries prevention.
- Further research is recommended to validate its clinical effectiveness.