Prosthesis Design Using Arch Line Alignment for 3D Oral Models
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Solution Overview
Problem
Current dental prosthesis design methods face challenges in accurately analyzing oral images, particularly when analyzing partial images, leading to errors in reproducing minute portions and requiring skilled clinical techniques, which can result in repeated impression acquisitions and suboptimal prosthesis production.
Innovation Solution
A prosthesis design method that loads 3D oral model data, displays the oral image aligned with an arch line, and provides a graphical user interface for designing the prosthesis based on acquired oral information, allowing for precise and aesthetically excellent design by determining dentate regions, prosthesis types, and design parameters.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If manual drawing is used in the graphical user interface for prosthesis design, then the user has flexibility in design, but the working time is excessively required and quality depends on worker capability
Solution Approach 1:
The system automatically performs prosthesis design by extracting oral information from the oral image and generating design parameters without requiring manual drawing operations. The computer executes algorithms to determine tooth positions, prosthesis types, and design specifications autonomously, eliminating the need for workers to manually draw while maintaining design quality consistency
Solution Approach 2:
The manual mechanical drawing process is replaced with an automated computer-based information processing system. The system uses image analysis algorithms and data processing to automatically generate prosthesis designs, substituting human manual operations with automated computational methods that significantly reduce working time and eliminate skill-dependent quality variations
2Ease of operation
If manual drawing is used in the graphical user interface for prosthesis design, then the user has flexibility in design, but quality in designing the prosthesis depends on capability of a worker
Solution Approach 1:
The system automatically extracts oral information from the oral image and generates standardized design parameters through algorithmic processing. This self-service approach ensures consistent application of design criteria and eliminates quality variations caused by different workers' capabilities, while still allowing design flexibility through programmable parameters
Solution Approach 2:
The system transforms the design process from skill-dependent manual drawing to parameter-driven automated design. By changing the controlling parameters from human skill levels to standardized computational algorithms, the system achieves uniform design quality across different users while maintaining flexibility through adjustable design parameters
3Device complexity
If oral image analysis is performed without arch line reference, then the analysis process is simpler, but the oral image cannot be substantially analyzed due to missing information
Solution Approach 1:
The system performs preliminary alignment of the oral image with the arch line before conducting detailed analysis. By pre-positioning the arch line reference framework and automatically aligning it with the oral cavity structure, the system prepares the complete contextual information needed for accurate analysis, eliminating the need for complex manual alignment procedures
Solution Approach 2:
The arch line serves as an intermediary reference that connects the oral image data with complete oral cavity information. By introducing the arch line as a mediating element, the system can infer missing information about the entire oral cavity from partial images, enabling substantial analysis without significantly increasing process complexity
Data Source
AI summary
A prosthesis design method according to an embodiment includes loading 3D oral model data from a memory, displaying an oral image and an arch line of the 3D oral model data, providing an alignment interface for aligning the oral image with the arch line, and displaying the oral image aligned with the arch line.