Dental Light-Curing Device with Dynamic Mode Switching
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Solution Overview
Problem
Existing light-emitting devices for curing dental materials lack flexibility in adjusting operating modes to prevent over-hardening, as they typically have fixed cut-off times and intensities, which may not suit different dental materials and applications.
Innovation Solution
A light-emitting device that can operate in two modes based on user input, allowing for adjustable time periods and light intensities, with a single activator controlling the device to switch between modes, enabling precise curing of dental materials by emitting light at specific wavelengths.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If fixed cut-off time and intensity are used, then device simplicity is maintained, but adaptability to different dental materials and applications is reduced
Solution Approach 1:
The device transitions from fixed parameters to dynamic, adjustable parameters. The controller enables real-time modification of cut-off time and light intensity based on user input, allowing adaptation to different dental materials and curing requirements while maintaining a unified device structure.
Solution Approach 2:
The invention implements variable parameters for cut-off time and light intensity. The controller modifies these parameters based on detected user inputs, enabling the device to adapt to different curing scenarios without requiring multiple specialized devices.
2Productivity
If high light intensity is used, then curing speed is improved, but risk of over-hardening the material increases
Solution Approach 1:
The device incorporates feedback through user input detection during the curing process. The controller monitors for additional inputs that would indicate the need to reduce or terminate light exposure, allowing the system to adjust intensity dynamically to prevent over-hardening while maintaining high curing speed when appropriate.
Solution Approach 2:
The curing process is divided into controllable phases with periodic light exposure. The controller can interrupt or extend light emission based on real-time conditions, enabling precise control over the curing progression to achieve optimal results without excessive hardening.
3Reliability
If long curing time is used, then complete curing is achieved, but material over-hardening and loss of flexibility occur
Solution Approach 1:
The curing time parameter is made dynamic rather than fixed. The controller adjusts the duration of light exposure based on real-time detection of user inputs, allowing the system to extend curing time for complete polymerization when needed while terminating exposure to preserve material flexibility when the material has already cured sufficiently.
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 device provides flexible operation, preventing over-hardening by allowing users to select appropriate curing times and intensities, enhancing the precision and efficiency of dental material curing.
Implementation Method 1
The light typically activates photoinitiators in the dental material that cause the matrix material to polymerize
Data Source
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AI summary
A light-emitting device (1) for curing dental materials. The device comprises an activator (10) and a light output (4) and is adapted to operate the light output at a first or a second operating mode dependent on the presence of a second user input within a monitoring time period after a first user input. The device allows for convenient operation by a user and helps in reliably curing dental materials.