Tooth Axis Setting in Orthodontic Treatment Planning
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Solution Overview
Problem
In orthodontic treatments, accurate tooth axis information and numbering are crucial for effective treatment planning, but existing methods face challenges in accurately updating these parameters due to changes in tooth position and shape over time, leading to potential aligner fit issues and treatment quality problems.
Innovation Solution
The method involves matching and importing tooth axis information and numbering from previous dental data to current data by aligning jaw positions and adjusting for tooth movement, using software systems to ensure accurate tooth axis setting and numbering for updated treatment plans.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If tooth axis information and numbering are determined from current dental scans, then the data reflects current tooth positions, but segmentation errors and modeling inaccuracies reduce reliability
Solution Approach 1:
The system performs preliminary determination of tooth axis information and numbering from prior dental scans before treatment begins, establishing accurate baseline data that can be reliably imported and updated throughout treatment, avoiding segmentation errors in current scans
Solution Approach 2:
The system creates a digital copy of tooth axis information and numbering from prior dental data and imports it into current treatment planning software, allowing accurate replication of previously determined tooth parameters without re-measuring
2Productivity
If tooth axis information is updated from prior dental data, then treatment planning efficiency improves, but tooth movement and position changes may cause inaccuracies
Solution Approach 1:
The system dynamically updates tooth axis information by combining imported data from prior scans with current tooth position information, allowing the tooth axis parameters to adapt as teeth move during treatment while maintaining computational efficiency
Solution Approach 2:
The system uses feedback from current dental scans to verify and adjust imported tooth axis information, comparing expected tooth positions with actual positions and correcting discrepancies to maintain accuracy throughout treatment
3Measurement precision
If manual segmentation and tooth identification are performed, then accuracy can be verified, but time consumption and operational complexity increase
Solution Approach 1:
The system performs automatic segmentation and tooth identification using algorithms that self-correct and self-verify, eliminating the need for manual intervention while maintaining high accuracy through built-in validation mechanisms
Solution Approach 2:
The system replaces manual mechanical segmentation processes with automated computational algorithms, substituting human operators with software-based tooth identification and numbering systems that are both faster and equally accurate
Data Source
AI summary
Apparatuses (e.g., systems) and methods for quickly and accurately determining tooth axis information associated with a subject's dental data. A stage of a prior treatment plan that most closely matches to a digital model of a subject's current dentition may be used to approximate tooth axis information for the subject's current dentition.