Geometric Body Reference for Dental Image Alignment
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Solution Overview
Problem
Current dental diagnostic techniques struggle to reliably compare and evaluate changes in the jaw and teeth over time, leading to inadequate restoration of the original tooth status and occlusion, resulting in craniomandibular dysfunction due to the difficulty in aligning and comparing different dental diagnostic images recorded using various methods and scales.
Innovation Solution
A method involving the detection of anatomically stable reference points on the upper and lower jaws in multiple representations, forming geometric bodies that serve as a common reference to align and compare different dental images, allowing for the determination of changes and restoration of the original jaw articulation and occlusion.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If different dental diagnostic recording techniques (panoramic X-rays, intraoral scans, CT) are used to capture jaw and teeth status at different times, then comprehensive diagnostic information can be obtained, but the representations cannot be reliably compared or aligned due to different scales, recording angles, and partial areas
Solution Approach 1:
The patent introduces a geometric body as an intermediary reference structure that mediates between different dental diagnostic representations. This geometric body, defined by anatomically stable reference points on the upper and lower jaws, serves as a common coordinate system that enables reliable alignment and comparison of multiple representations taken at different times and with different techniques
Solution Approach 2:
The geometric body serves as a universal reference framework that can accommodate and align multiple types of dental representations (X-rays, scans, models) regardless of their original acquisition method. This multi-functional reference system enables consistent comparison across diverse diagnostic data sources
2Productivity
If dental technical measures are based exclusively on the current state of the jaw, then treatment can be planned efficiently, but changes in the jaw beyond the defect cannot be understood retrospectively, leading to occlusion and articulation changes that result in craniomandibular dysfunction
Solution Approach 1:
The patent enables preliminary comparison and analysis of historical jaw representations against current state representations before finalizing treatment measures. By aligning multiple representations using the geometric body reference, clinicians can preliminarily assess changes in jaw articulation and occlusion, allowing for better treatment planning that prevents craniomandibular dysfunction
3Reliability
If anatomically stable reference points are detected and geometric bodies are formed to align multiple dental representations, then reliable comparison and evaluation of jaw changes over time becomes possible, but the complexity of the alignment process increases
Solution Approach 1:
The patent transforms the complex problem of aligning multiple dental representations by changing the reference parameters from arbitrary coordinate systems to anatomically stable reference points. By defining the geometric body through these stable anatomical landmarks, the alignment process becomes more systematic and reliable, reducing the effective complexity through parameter standardization
Data Source
Figure 1A~1B
Figure 1C~1D
Figure 2~3
AI summary
A procedure is described that includes the steps of providing a first and a second medical-technical representation of a jaw, capturing an anatomically stable right direction point A, A' (1, 4), an anatomically stable left direction point B, B' (2, 5) and an anatomically stable palatal incisal or labial induction point C, C' (3, 6) of the upper and lower jaw in the first and second representations, forming a geometric body with a first surface (7) between the points A (1), B (2), and C' (6) and a second surface (8) between the points A' (4), B' (5) and C (3) in the first and second representations, and relating the first and second representations by using the first geometric body and the second geometric body as a common reference.