3D Orthodontic Model Comparison for Bracket Placement Accuracy
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Solution Overview
Problem
Existing orthodontic treatments face challenges with traditional braces requiring manual adjustments, causing discomfort and inefficiency, while aligners lack the ability to treat certain tooth movements and rely on patient compliance. Lingual braces are sensitive to archwire adjustments and cause speech and cleaning difficulties.
Innovation Solution
Digital orthodontic treatment planning using 3D digital models to overlay and compare original, planned, and actual tooth positions, allowing for accurate bracket placement and visualization of tooth movements, and generating a realistic final tooth arrangement model to adjust treatment plans.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional braces are used with manual archwire adjustments, then tooth movement can be achieved, but patient discomfort increases and treatment efficiency decreases
Solution Approach 1:
The system performs preliminary digital planning of the entire treatment course before treatment begins. The treatment plan is simulated in silico to determine optimal archwire sequences and bracket configurations, eliminating the need for multiple painful in-office adjustments. Patients wear a series of pre-planned custom archwires that progressively move teeth according to the predetermined plan.
Solution Approach 2:
The patent replaces the traditional mechanical trial-and-error adjustment process with a digital simulation and planning system. Treatment outcomes are predicted using computational models before treatment begins, allowing optimization of the mechanical forces applied to teeth without requiring repeated physical adjustments that cause discomfort.
2Object-affected harmful factors
If aligners are used for tooth repositioning, then patient comfort and aesthetics improve, but treatment effectiveness is reduced for certain tooth movements
Solution Approach 1:
The system creates a hybrid appliance that combines the aesthetic and comfort benefits of aligners with the effective tooth movement capabilities of fixed braces. The digital treatment plan determines which teeth receive aligner treatment and which receive fixed bracket treatment, allowing the system to handle all tooth movement types including extrusion and rotation while maintaining patient comfort and aesthetics.
Solution Approach 2:
The treatment approach is dynamically assigned based on the specific movement requirements of each tooth. The digital simulation analyzes the planned tooth movements and automatically assigns the most appropriate appliance type (aligner or fixed bracket) to each tooth, creating a customized hybrid treatment plan that optimizes both comfort and effectiveness.
3Object-affected harmful factors
If lingual braces are used to achieve invisible treatment, then aesthetics improve, but speech and cleaning difficulties increase
Solution Approach 1:
The patent replaces the physical lingual bracket and archwire system with a digital treatment planning system that designs optimized fixed appliances. The digital models allow precise positioning of brackets and archwires to minimize interference with speech and cleaning while achieving the desired tooth movements, then manufacture custom appliances based on the virtual plan.
4Reliability
If multiple office visits with manual adjustments are required, then treatment can be monitored and adjusted, but treatment time and patient burden increase
Solution Approach 1:
The complete treatment plan is digitally simulated and optimized before treatment begins, including all archwire sequences, bracket repositioning timing, and expected tooth movements. This preliminary digital planning allows the treatment to proceed according to a predetermined schedule, reducing the need for multiple in-office adjustment appointments and shortening overall treatment time.
Solution Approach 2:
The digital treatment planning system incorporates feedback from digital scans and simulations to optimize the treatment plan before treatment begins. The system can predict treatment outcomes and adjust the plan virtually, providing feedback without requiring multiple patient visits. Progress can be monitored through digital comparisons of planned versus actual tooth positions.
Data Source
AI summary
Devices, systems, and methods for orthodontic treatment, orthodontic treatment planning, and orthodontic treatment evaluation are disclosed herein. Various embodiments of the present technology, for example, are directed to a method of obtaining a plurality of digital models representing a patient's teeth in a variety of arrangements and displaying the digital models to an operator such as an orthodontist, a patient, etc. In some embodiments, the arrangements of the patient's teeth can comprise a predicted arrangement and/or an actual arrangement. Various embodiments of the present technology relate to creating a more realistic final arrangement of a patient's teeth based on actual positions of brackets on the patient's teeth. Some embodiments relate to displaying two or more digital models of unique tooth and/or bracket arrangements to an operator via a graphical user interface to facilitate evaluation of the tooth and/or bracket arrangements.