Plasma Device Submerged in Water for Low-Concentration Hydrogen Peroxide Generation
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Solution Overview
Problem
Conventional tooth whitening methods using high concentrations of hydrogen peroxide pose safety risks and require extended treatment times, causing tooth sensitivity and potential carcinogenic effects.
Innovation Solution
A plasma device with a dielectrically covered electrode is submerged in deionized water to generate a plasma that produces a low concentration of hydrogen peroxide, reducing safety risks and achieving tooth whitening without external bleaching agents.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If high concentrations of hydrogen peroxide are used for tooth whitening, then whitening effectiveness is improved, but safety risks and harmful effects increase
Solution Approach 1:
The invention changes the concentration parameter of hydrogen peroxide from high (conventional) to low (0.03% or less), and introduces plasma activation as a new parameter to enhance the whitening mechanism. This parameter transformation allows achieving effective whitening through plasma-activated reactive species rather than relying on high peroxide concentration
Solution Approach 2:
The invention replaces the chemical mechanism of high-concentration hydrogen peroxide oxidation with a plasma-based mechanism. Plasma generates reactive oxygen species (ROS) and reactive nitrogen species (RNS) that achieve whitening through a different chemical pathway, substituting the conventional high-concentration peroxide system with a low-concentration plasma-activated system
2Manufacturing precision
If high concentrations of hydrogen peroxide are used for tooth whitening, then whitening effectiveness is improved, but treatment time is extended
Solution Approach 1:
The invention changes the concentration parameter of hydrogen peroxide from high to low (0.03% or less), and introduces plasma activation as a new parameter to enhance the whitening mechanism. This parameter transformation allows achieving effective whitening through plasma-activated reactive species rather than relying on high peroxide concentration
Solution Approach 2:
The invention replaces the chemical mechanism of high-concentration hydrogen peroxide oxidation with a plasma-based mechanism. Plasma generates reactive oxygen species (ROS) and reactive nitrogen species (RNS) that achieve whitening through a different chemical pathway, substituting the conventional high-concentration peroxide system with a low-concentration plasma-activated system
3Manufacturing precision
If high concentrations of hydrogen peroxide are used for tooth whitening, then whitening effectiveness is improved, but tooth sensitivity and carcinogenic effects occur
Solution Approach 1:
The invention changes the concentration parameter of hydrogen peroxide from high (conventional) to low (0.03% or less), and introduces plasma activation as a new parameter to enhance the whitening mechanism. This parameter transformation allows achieving effective whitening through plasma-activated reactive species rather than relying on high peroxide concentration
Solution Approach 2:
The invention replaces the chemical mechanism of high-concentration hydrogen peroxide oxidation with a plasma-based mechanism. Plasma generates reactive oxygen species (ROS) and reactive nitrogen species (RNS) that achieve whitening through a different chemical pathway, substituting the conventional high-concentration peroxide system with a low-concentration plasma-activated system
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 whitens teeth by generating reactive species that break down stains without the need for high hydrogen peroxide concentrations, minimizing safety hazards and treatment time.
Implementation Method 1
A plasma device with a dielectrically covered electrode is submerged in deionized water to generate a plasma that produces a low concentration of hydrogen peroxide
Implementation Method 2
Plasmas are also capable of generating photons including energetic ultraviolet photons that have sufficient energy to initiate photochemical and photocatalytic reaction paths in biological and other materials that are irradiated by the plasma photons
Data Source
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AI summary
A plasma system for treating a workpiece is disclosed. The plasma system includes: a plasma device including an electrode formed from a metal alloy and a dielectric layer covering the electrode, the dielectric layer including a distal portion extending distally past a distal end of the electrode by a predetermined distance; a liquid source configured to supply a liquid to a workpiece; an ionizable media source coupled to the plasma device and configured to supply ionizable media thereto; and a power source coupled to the electrode and configured to ignite the ionizable media at the plasma device to form a plasma effluent in the presence of the liquid, whereby the plasma effluent reacts with the liquid to form at least one reactive species that interacts with the workpiece.