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Sealing smooth enamel surfaces with a newly devised adhesive patch: a radiochemical in vitro analysis
Patrick R Schmidlin1, Matthias Zehnder, May A Zimmermann
1Clinic for Preventive Denstistry, Periodontology and Cariology, Center for Dental and Oral Medicine and Cranio-Maxillifacial Surgery, University of Zürich, Plattenstrasse 11, 8028 Zürich, Switzerland. patrick.schmidlin@zzmk.unizh.ch
Summary
A new adhesive patch shows promise as an effective smooth surface sealant, protecting tooth enamel from acid erosion better than traditional bonding agents. Further research is recommended for its potential as an inter-proximal sealant.
Area of Science:
- Dental Materials Science
- Biomaterials Engineering
- Preventive Dentistry
Background:
- Dental caries remains a significant public health concern, necessitating novel strategies for enamel protection.
- Smooth surface sealants play a crucial role in preventing early enamel demineralization.
- Current sealant materials have limitations in long-term efficacy and application.
Purpose of the Study:
- To evaluate the enamel-protective efficacy of a novel adhesive patch as a smooth surface sealant.
- To compare the performance of the adhesive patch against conventional enamel bonding agents and flowable resin.
- To assess the potential of the adhesive patch for inter-proximal sealant applications.
Main Methods:
- Bovine enamel discs were prepared and subjected to irradiation.
- Specimens were treated with an enamel bond, adhesive patch, or flowable resin; unsealed enamel served as controls.
- Apatite loss was quantified using liquid scintillation after immersion in saliva or lactic acid with daily toothbrushing for 21 days.
Main Results:
- The adhesive patch and flowable resin demonstrated superior enamel protection against lactic acid compared to untreated controls.
- Both the adhesive patch and flowable resin provided significantly better protection than a double layer of enamel bonding.
- No significant difference in protective efficacy was observed between the adhesive patch and the flowable resin.
Conclusions:
- The investigated adhesive patch exhibits significant potential as an effective smooth surface sealant.
- The findings support further investigation into the adhesive patch's utility as an inter-proximal sealant.
- This novel biomaterial warrants continued research for caries prevention applications.