Orthodontic Wire Bending With Elastic Force Compensation
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Solution Overview
Problem
Conventional orthodontic wire manufacturing methods are inefficient, lack precision, and do not adequately consider the differences between orthodontic processes and dentition maintenance processes, leading to suboptimal wire customization and increased production costs.
Innovation Solution
A system comprising a teeth data obtaining part, simulating part, calculating part, and wire manufacturing part that generates customized orthodontic wires based on patient-specific data, distinguishing between orthodontic and dentition maintenance processes, and incorporating a compensation algorithm for elastic restoring force, using an orthodontic wire bending machine with a bending unit, guide zig, and cutting unit for precise wire formation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If conventional rectangular wire is used with conventional bending machine, then manufacturing process is simple, but manufacturing precision and accuracy are insufficient
Solution Approach 1:
The system segments the orthodontic treatment process into multiple stages (orthodontic process and dentition maintenance process) and manufactures different wire types accordingly. The wire is divided into segments with different properties to address specific treatment requirements, improving precision while managing complexity through modular design.
Solution Approach 2:
The system performs preliminary actions by pre-calculating bending positions, bending angles, and wire specifications based on patient-specific data before manufacturing. The setup model and treatment plan are prepared in advance using computer simulation, enabling precise manufacturing without requiring complex real-time adjustments during the bending process.
2Productivity
If manual wire manufacturing is performed, then flexibility in customization is high, but productivity is low and quality consistency is poor
Solution Approach 1:
The system enables self-service manufacturing by automatically obtaining patient teeth data, simulating treatment outcomes, calculating wire specifications, and manufacturing the customized wire without manual intervention. The system serves itself through automated data processing and manufacturing control, dramatically improving both productivity and quality consistency.
Solution Approach 2:
The system implements feedback mechanisms by comparing the manufactured wire properties against the predetermined specifications derived from patient data and treatment simulation. This closed-loop control ensures that manufacturing precision meets the required standards while maintaining high productivity through automated monitoring and adjustment.
3Adaptability or versatility
If conventional wire manufacturing is used, then production cost is low, but it does not consider differences between orthodontic and maintenance processes
Solution Approach 1:
The system applies local quality by manufacturing different wire types with specific properties tailored to different treatment stages. The orthodontic process wire and dentition maintenance wire have different characteristics optimized for their respective purposes. This localized customization improves adaptability while the automated system manages manufacturing complexity through standardized processes for different wire types.
4Manufacturing precision
If Nitinol wire is bent without heating, then manufacturing process is simple, but bending accuracy is poor due to high restoring force
Solution Approach 1:
The system changes the temperature parameter of the Nitinol wire during the bending process. By heating the wire to specific temperatures, the restoring force is reduced, enabling accurate bending. The system controls temperature as a key parameter to achieve the desired wire shape with high precision, then allows the wire to cool and set the new shape.
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
Enables faster, more accurate, and cost-effective manufacturing of customized orthodontic wires, enhancing treatment suitability and effectiveness by matching wire properties to specific treatment stages, thereby improving orthodontic treatment outcomes.
Implementation Method 1
considering an elastic restoring force of the orthodontic wire to manufacturing the orthodontic wire more accurately and precisely
Data Source
AI summary
In a system of manufacturing an orthodontic wire, a method for manufacturing the orthodontic wire using the system, and an orthodontic wire bending machine for performing the system, the system includes a teeth data obtaining part, a simulating part, a calculating part and a wire manufacturing part. The teeth data obtaining part obtains present teeth data of a patient. The simulating part generates final teeth data. The calculating part compares a predetermined threshold to a compared value between the present teeth data of the patient and the final teeth data. The wire manufacturing part selectively manufactures a wire for an orthodontic process or a wire for a dentition maintenance process based on a compared result of the calculating part.