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The dentin pellicle - A neglected topic in dental research
Wadim Rasputnis1, Anton Schestakow1, Matthias Hannig1
1Clinic of Operative Dentistry, Periodontology and Preventive Dentistry, University Hospital, Saarland University, Building 73, D-66421, Homburg, Saar, Germany.
Archives of Oral Biology
|July 29, 2021
Summary
The acquired pellicle on dentin shares ultrastructure with enamel pellicle but its composition and properties remain largely unexplored, hindering comparisons and clinical applications.
Area of Science:
- Oral biology
- Biomaterials science
- Dental research
Background:
- The acquired pellicle forms on all oral surfaces, including enamel and dentin.
- Enamel pellicle research is extensive, but dentin pellicle data is limited.
- Dentin exposure is increasingly common, raising clinical relevance of the dentin pellicle.
Purpose of the Study:
- To review and summarize existing research on dentin pellicle composition, structure, and properties.
- To compare dentin pellicle findings with established knowledge of enamel pellicle.
- To identify knowledge gaps and suggest future research directions for dentin pellicle.
Main Methods:
- Comprehensive literature search of Medline and Google Scholar databases.
- Inclusion of 19 relevant studies based on search criteria and handsearching.
- Systematic review and synthesis of findings on dentin pellicle.
Main Results:
- Dentin pellicle exhibits similar ultrastructure to enamel pellicle, with thickness up to 1 μm.
- Composition and properties of dentin pellicle are poorly characterized, limiting direct comparison with enamel pellicle.
- Limited evidence suggests potential anti-abrasive properties, while anti-erosive properties are controversial.
Conclusions:
- The dentin pellicle is structurally similar to the enamel pellicle but significantly underexplored regarding its composition and protective functions.
- Further research requires standardized dentin specimens and fundamental studies on dentin's influence on pellicle formation.
- Understanding dentin pellicle properties could reveal targets for enhancing its protective capabilities in clinical settings.
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