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Dentin hypersensitivity: from diagnosis to a breakthrough therapy for everyday sensitivity relief
1Colgate-Palmolive Technology Center, Piscataway, NJ, USA. diane_cummins@colpal.com
The Journal of Clinical Dentistry
|June 4, 2009
Summary
Dentin hypersensitivity is a common condition caused by exposed dentin. A new toothpaste with 8% arginine, calcium carbonate, and fluoride effectively seals tubules, providing significant relief from tooth sensitivity.
Area of Science:
- Dentistry
- Oral Health
- Biomaterials
Background:
- Dentin hypersensitivity is characterized by sharp pain from exposed dentin, affecting 15-57% of adults.
- Gingival recession is a primary cause of dentin exposure, leading to hypersensitivity.
- The hydrodynamic theory explains hypersensitivity as fluid flow in open dentin tubules activating nerve fibers.
Purpose of the Study:
- To provide an overview of dentin hypersensitivity diagnosis, epidemiology, etiology, and management.
- To summarize technical approaches for relieving sensitivity with professional and home-use products.
- To introduce and evaluate a novel dentifrice technology for managing dentin hypersensitivity.
Main Methods:
- Review of current knowledge on dentin hypersensitivity.
- Analysis of clinical evidence for desensitizing toothpaste efficacy.
- Introduction of a new dentifrice containing 8% arginine, calcium carbonate, and 1450 ppm fluoride.
Main Results:
- The new dentifrice demonstrated significantly greater efficacy in reducing sensitivity compared to a market-leading potassium ion toothpaste.
- Mechanism of action studies revealed the dentifrice physically seals open dentin tubules with a robust plug.
- This plug effectively reduces dentin fluid flow, providing instant and lasting relief from hypersensitivity.
Conclusions:
- Effective dentin occlusion is key for managing hypersensitivity.
- The novel dentifrice technology offers a promising solution for reducing dentin hypersensitivity.
- This technology strengthens dentin and reduces susceptibility to predisposing factors.
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