3D Orthodontic Bracket Positioning System
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
The precision placement of orthodontic brackets on teeth is challenging due to the subjective nature of manual measurement and the difficulty in ensuring accurate positioning, which can lead to improper tooth alignment and aesthetics.
Innovation Solution
A computer-implemented system that provides a 3D modeling environment for orthodontic practitioners to visualize and precisely position virtual orthodontic appliances, automatically adjusting their mesio-distal position and orientation based on predefined specifications, ensuring accurate bracket placement on teeth.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If manual measurement and marking methods are used to position brackets, then the process is simple to perform, but the positioning precision and accuracy deteriorate
Solution Approach 1:
The patent creates a digital 3D copy of the patient's dental arch and teeth using optical scanning technology. This virtual model allows practitioners to position brackets digitally with high precision before actual bonding, eliminating the imprecision of manual measurement while working with a replicated digital representation rather than the physical teeth directly.
Solution Approach 2:
The patent replaces the mechanical manual measurement system (rulers, protractors, pencil markings on plaster casts) with a computer-based 3D digital system. The positioning is achieved through software algorithms that calculate optimal bracket locations based on the digital tooth models, substituting physical measurement tools with computational methods for higher accuracy.
2Reliability
If manual bracket positioning is performed, then the equipment required is simple, but the reliability of correct bracket placement deteriorates
Solution Approach 1:
The system provides visual feedback by displaying the 3D digital model of teeth with virtually positioned brackets overlaid on the actual dental arch. This allows practitioners to review and verify bracket positions before bonding, ensuring reliability through multiple checks and the ability to adjust positions if errors are detected, thereby reducing the risk of improper placement.
Solution Approach 2:
The patent performs preliminary positioning of brackets in the digital 3D environment before actual bonding occurs. All measurements, calculations, and position adjustments are completed in advance on the virtual model, allowing the practitioner to confirm correct positioning before the irreversible bonding process begins, thereby ensuring reliability.
3Measurement precision
If subjective visual determination of bracket positions is used, then the process is quick to perform, but the measurement precision deteriorates
Solution Approach 1:
The system performs automatic calculation and positioning of brackets based on the digital 3D model of the teeth. The software autonomously determines optimal mesio-distal positions using programmed algorithms and geometric relationships, eliminating the need for time-consuming manual measurements and subjective visual estimation by the practitioner, thereby achieving high precision efficiently.
Solution Approach 2:
The patent replaces the practitioner's subjective visual determination process with an automated computer-based measurement and calculation system. The software objectively calculates precise bracket positions based on the 3D digital tooth models, eliminating human subjectivity and significantly improving measurement precision without requiring manual measurement time.
Data Source
Figure 1
Figure 2
Figure 3
AI summary
A system automatically adjusts an orthodontic bracket to a desired mesio-distal position on a tooth within a 3D environment. The system allows a practitioner to specify a desired mesio-distal position at which to place the bracket on the tooth. The practitioner may choose the desired mesio-distal position from a standardized set of mesio-distal positions or may create a customized mesio-distal position to meet a patient's particular needs. Based on the desired mesio-distal position, the system automatically adjusts the placement of the orthodontic bracket to the desired mesio-distal position on the tooth within the 3D environment. The system then generates a visual representation of the resulting bracket placement within the 3D environment.