Dentin Tubule Sealing via Solid Particle Dispersion
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Solution Overview
Problem
Existing dental treatment methods fail to achieve good adhesion properties when sealing dentinal tubules, leading to pain and hypersensitivity issues during dental procedures, as previously proposed methods either inhibit adhesion or do not effectively seal the tubules.
Innovation Solution
A dental treatment method using a dentinal tubules sealant with a water-based dispersing agent and solid particles, applied to fill dentinal tubules and then scrubbed to remove adhering components, followed by application and curing of a curable composition, ensuring improved adhesion and pain suppression.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If dentinal tubules are sealed by applying adhesive compositions or precipitate-forming materials, then pain suppression is improved, but adhesive properties to tooth structure are impaired
Solution Approach 1:
The treatment is divided into two separate steps: first applying a sealant composition to seal dentinal tubules and suppress pain, then subsequently applying an adhesive composition to achieve bonding. This segmentation allows each material to perform its specialized function without compromising the other, resolving the contradiction between pain suppression and adhesive properties
Solution Approach 2:
The dentinal tubule sealing is performed as a preliminary action before adhesive application. By sealing the tubules first with the sealant composition, the patent prevents pain during subsequent adhesive operations while maintaining the dentin surface's ability to bond with the adhesive, thus resolving the contradiction
2Object-affected harmful factors
If solid particles are used to fill dentinal tubules, then pain suppression is improved, but solid components adhering to dentin surface reduce adhesion
Solution Approach 1:
The patent extracts and removes the solid components adhering to the dentin surface after the sealant application. This extraction eliminates the barrier that would prevent adhesion, while the dentinal tubules remain sealed by the solid particles, thus resolving the contradiction between pain suppression and adhesive properties
Solution Approach 2:
The solid components that adhere to the dentin surface are discarded through rinsing or cleaning steps. This discarding action removes the adhesive barrier while preserving the beneficial solid particles within the dentinal tubules, resolving the contradiction between pain suppression and adhesion
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The method effectively seals dentinal tubules with solid particles, suppressing pain and hypersensitivity, and enhances the adhesive properties of the curable composition to the dentin surface, allowing for successful dental filling and prosthesis restoration without pain.
Implementation Method 1
a water-based dispersing agent in which solid particles are dispersed
Implementation Method 2
a curable composition that is applied to and then cured on the dentin surface
Data Source
AI summary
Dentinal tubules sealing method using dentinal tubules sealant that is to be applied to a dentin surface to fill solid particles into dentinal tubules, wherein the dentinal tubules sealant comprises a water-based dispersing agent in which solid particles are dispersed and which has a solid/liquid ratio of from 0.3 to 2.6, and the method comprises applying the dentinal tubules sealant to a dentin surface to fill solid particles into dentinal tubules, and then removing a solid component adhering to the dentin surface by scrubbing using water. Thus, pains, hyperesthesia, and so on are allowed to be suppressed because dentinal tubules will be filled and sealed with solid particles and a curable composition is allowed to exhibit improved adhesive properties to a dentin surface because solid components adhering to the dentin surface can be removed by scrubbing using water.