Dynamic Dental Arch Map for Irregular Dentition
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Solution Overview
Problem
Conventional dental arch maps are not accurately representative of individual patients due to conditions like poor alignment, missing teeth, and mixed permanent and deciduous teeth, leading to complexity and confusion in diagnostic assessment and treatment.
Innovation Solution
A method that processes 3D tooth contour information from dental imaging to automatically generate a 2D dental arch map, segmenting individual teeth, projecting their outlines onto a 2D plane, and labeling them according to a tooth numbering scheme, with editing capabilities for correction and enhancement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If a standard dental arch map is used for all patients, then the mapping structure is simple and consistent, but it becomes incorrect or confusing for individual patients with conditions like poor alignment, missing teeth, or supernumerary teeth
Solution Approach 1:
The patent segments the dental arch into individual tooth structures, capturing each tooth's unique position, shape, and characteristics. This segmentation allows the system to represent irregular dentition patterns (missing teeth, supernumerary teeth, misalignment) accurately while maintaining a structured approach to mapping.
Solution Approach 2:
The system dynamically adjusts mapping parameters based on individual patient characteristics, including tooth position, orientation, and morphology. By changing parameters such as projection angles, scaling factors, and labeling schemes according to each patient's specific conditions, the system achieves accurate representation without using a complex custom mapping for every case.
2Ease of operation
If a standard dental arch map is used, then the chart structure is simple, but it contains large amounts of data per patient and becomes complex and confusing
Solution Approach 1:
The patent applies local quality by customizing the dental arch map representation for specific regions or teeth that deviate from the standard pattern. Teeth with unusual positions, shapes, or conditions receive localized adjustments in mapping and labeling, while standard teeth maintain the conventional simple structure, thus preserving ease of operation where applicable while capturing necessary detail where needed.
Solution Approach 2:
The system dynamically adapts the dental arch map structure based on the patient's specific conditions. The mapping is flexible and can be adjusted to accommodate missing teeth, supernumerary teeth, and misalignments, allowing the chart to remain simple for standard cases while automatically incorporating necessary complexities for individual patient needs.
3Measurement precision
If 3D surface imaging and automatic segmentation are used to generate personalized dental arch maps, then the accuracy of tooth arrangement representation is improved, but the processing complexity and time required increases
Solution Approach 1:
The system performs preliminary actions by pre-processing 3D surface images to identify and segment individual teeth before generating the final dental arch map. This preliminary segmentation organizes the complex 3D data into manageable tooth-specific components, reducing the computational burden during map generation and accelerating the overall process while maintaining high accuracy.
Solution Approach 2:
The patent uses copying by creating a simplified 2D representation from the detailed 3D surface data. Once the 3D image is segmented into individual teeth, the system generates a 2D dental arch map that copies the essential positional and morphological information in a more efficient format, reducing processing time for visualization and analysis while preserving measurement precision.
Data Source
AI summary
A method for generating a dental arch map for a patient acquires a 3D surface image of patient dentition and automatically segments the 3D surface image to identify individual teeth. A mapping of outlines is formed for the identified teeth. The mapping is labeled according to a tooth numbering scheme and the labeled mapping is displayed.