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Published on: July 10, 2014
Self-assembling peptide scaffolds promote enamel remineralization
J Kirkham1, A Firth, D Vernals
1Department of Oral Biology, Leeds Dental Institute, University of Leeds, Clarendon Way, Leeds LS2 9LU, UK.
Journal of Dental Research
|April 25, 2007
Summary
Self-assembling peptides show promise for dental tissue engineering. Applied to caries lesions, these peptides promote mineral gain and hydroxyapatite nucleation, aiding in dental repair and prevention of cavities.
Area of Science:
- Biomaterials Science
- Dental Research
- Regenerative Medicine
Background:
- Self-assembling peptides can form 3D scaffolds for tissue engineering.
- These scaffolds may be useful for treating dental caries by promoting mineral repair.
Purpose of the Study:
- To investigate the effect of an anionic peptide on caries-like lesions in human dental enamel.
- To assess the peptide's ability to promote remineralization and inhibit demineralization under simulated intra-oral conditions.
Main Methods:
- Monomeric low-viscosity peptide solutions were infiltrated into caries lesions.
- In situ polymerization was triggered by pH and ionic strength changes.
- Mineral gain, demineralization, and hydroxyapatite nucleation were measured over five days.
Main Results:
- Peptide treatment significantly increased net mineral gain in dental lesions.
- Both remineralization and demineralization inhibition were observed.
- The assembled peptide induced hydroxyapatite nucleation de novo.
Conclusions:
- Self-assembling peptides can modulate mineral behavior in dental tissues.
- These peptides show potential for in situ dental tissue engineering and caries management.
- The biomimetic scaffolds facilitate hydroxyapatite nucleation, promoting repair.
