Orthodontic Bracket Opening Tool With Reciprocal Force Tips
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Solution Overview
Problem
Conventional tools for opening self-ligating orthodontic brackets often require excessive force, leading to patient discomfort and risk of injury due to calculus buildup, necessitating bracket replacement.
Innovation Solution
An orthodontic tool with specialized tips designed to engage with the ligating door and bracket body, applying reciprocal forces to open the ligating door efficiently, minimizing force transfer to the patient's tooth.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If conventional tools (explorer tool or other instruments) are used to pry or pull the ligating door open, then the ligating door can be opened for accessing the archwire, but excessive force is required due to calculus buildup, resulting in patient discomfort and risk of injury
Solution Approach 1:
The patent introduces a specialized orthodontic tool as an intermediary between the dentist and the ligating door. This tool includes a tip specifically designed to engage with the ligating door mechanism, allowing the dentist to apply opening force through the tool rather than directly with conventional instruments. The tool acts as a mediator that reduces force transfer to the tooth and surrounding tissues, thereby minimizing patient discomfort and injury risk while effectively opening the ligating door despite calculus buildup
Solution Approach 2:
The patent modifies the physical parameters of the opening tool, specifically designing a tip with optimized geometry and material properties. The tip is configured to engage specific features of the ligating door, allowing for more efficient force application. By changing the parameters of the tool (tip shape, size, engagement mechanism), the required opening force is reduced, and the force distribution is optimized to minimize harmful effects on the patient's tooth and soft tissues
2Productivity
If excessive force is applied to open the ligating door with conventional tools, then the ligating door can be opened, but the force is transferred from the bracket body to the patient's tooth, causing significant patient discomfort
Solution Approach 1:
The specialized orthodontic tool serves as an intermediary that decouples the force application from direct tooth contact. The tool's tip engages with the ligating door through its designated opening mechanism, allowing the dentist to apply force to open the door without that force being directly transferred to the patient's tooth. This intermediary mechanism maintains productivity by effectively opening the ligating door while eliminating the harmful side effect of force transfer to the tooth
Solution Approach 2:
The patent applies local quality by designing the tool tip with specific engagement features that interact only with the ligating door mechanism, not with the tooth or bracket body. The tip is locally optimized to engage specific features of the ligating door (such as a slot or groove), concentrating the opening force locally at the ligating door rather than distributing it to the tooth. This localized force application maintains the ability to open the door while preventing harmful force transfer to the patient's tooth
3Adaptability or versatility
If the explorer tool or other instruments are not optimized for opening the ligating door, then conventional tools can be used, but the force required to open the ligating door is large due to calculus buildup, resulting in significant patient discomfort
Solution Approach 1:
The patent creates a specialized tool that is universally applicable to self-ligating orthodontic brackets with ligating doors. The tool design incorporates a tip that can engage with the ligating door mechanism across different bracket systems, providing a universal solution for opening ligating doors. This optimized tool reduces the force required to open the door compared to conventional non-specialized instruments, while maintaining broad adaptability to different orthodontic bracket designs
Solution Approach 2:
The patent optimizes the physical parameters of the orthodontic tool, specifically the tip geometry, material properties, and engagement mechanism. These parameter changes are designed to reduce the force required to open the ligating door by improving the mechanical advantage and engagement efficiency. The optimized parameters allow the tool to effectively overcome calculus buildup with less force than conventional instruments, reducing patient discomfort while maintaining versatility across different bracket systems
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
Reduces patient discomfort and prevents injury by optimizing the force application, allowing safe and comfortable opening of ligating doors without needing to replace the brackets.
Implementation Method 1
self-ligating brackets may include a ligating door or slide with a spring or other biasing element to help retain the archwire in position within the slot
Implementation Method 2
An orthodontic tool with specialized tips designed to engage with the ligating door and bracket body, applying reciprocal forces to open the ligating door efficiently
Data Source
AI summary
An instrument for facilitating opening of a ligating member for an orthodontic bracket. The instrument includes one tip designed to engage an opening feature on a labial side of a ligating door of the orthodontic bracket, and another tip designed to sit underneath a tie wing formed on a body of the orthodontic bracket. When the instrument is in position against the orthodontic bracket, squeezing together the handles results in the tips applying a reciprocal force on the ligating door and the bracket body to open the ligating door along the occlusal direction.