Dental Restoration Design Using Functional Bite Maps
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Solution Overview
Problem
Current dental restoration methods often fail to accurately simulate occlusal interference, leading to potential misfit and discomfort, as they do not adequately account for the dynamic movement of the dentition during bite positions, especially in cases where there are insufficient teeth to form a complete impression or functional bite map.
Innovation Solution
A system and method that utilize a functional bite map and motion capture data to generate an interference model, allowing for the design of dental restorations that avoid occlusal interference by simulating the movement of opposing dental arches and aligning the restoration site with precise spatial orientation, using a combination of impression apparatus, motion capture, and computer-aided design systems.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If traditional impression methods are used to capture dentition, then the process is simple and quick, but the accuracy of simulating occlusal interference is insufficient
Solution Approach 1:
The patent combines multiple measurement technologies (impression apparatus, motion capture apparatus, and interference model generation system) into an integrated system. The impression apparatus captures the dentition geometry, the motion capture apparatus records jaw movement dynamics, and the interference model generation system synthesizes this data into a comprehensive occlusal interference simulation model, thereby achieving high measurement precision through merged capabilities.
Solution Approach 2:
The patent introduces an interference model as an intermediary representation that mediates between raw measurement data and restoration design. The interference model generation system creates this intermediate model from impression and motion capture data, which then serves as the basis for identifying occlusal interference regions and guiding restoration design, thus resolving the contradiction by adding a mediating computational layer.
2Measurement precision
If dynamic motion capture is implemented to track jaw movement, then occlusal interference can be accurately identified, but the measurement and detection difficulty increases
Solution Approach 1:
The patent uses motion capture apparatus to create a digital copy of the jaw movement dynamics. Instead of directly measuring complex physical movements during restoration design, the system captures motion data and creates a functional bite map that replicates the dynamic behavior of the dentition, making the measurement and detection process more manageable while maintaining high precision.
3Measurement precision
If complete dentition impression is required for accurate functional bite map, then measurement accuracy improves, but the process becomes impossible when teeth are insufficient
Solution Approach 1:
The patent applies partial action by capturing motion data from the available teeth rather than requiring complete dentition. The motion capture apparatus records jaw movement dynamics from the partial dentition present, and the interference model generation system uses this partial data to create a functional bite map that is sufficient for identifying occlusal interference regions, thus enabling the process to work with insufficient teeth.
4Manufacturing precision
If interference model is generated from multiple bite positions, then restoration fit is improved, but the manufacturing process becomes more complex
Solution Approach 1:
The patent performs preliminary action by generating the interference model from multiple bite position data before the actual restoration manufacturing begins. The interference model generation system processes motion capture data from various bite positions to create a comprehensive interference model that identifies all potential occlusal interference regions, allowing the restoration to be designed and manufactured with precise fit requirements already established.
Data Source
AI summary
A system for fabricating a dental restoration to restore a tooth at a restoration site in a dentition of a patient is disclosed. The dentition includes a restoration dental arch and an opposing dental arch. The restoration dental arch includes the restoration site and the opposing dental arch is opposite the restoration dental arch. The system includes an impression apparatus, a motion capture apparatus, an interface apparatus, and a restoration design system. The impression apparatus is configured to capture an impression of the dentition of the patient. The motion capture apparatus is configured to capture a plurality of location data points that represent the locations of the opposing dental arch relative to the restoration dental arch. The interference model generation system is configured to generate an interference model for the restoration site. The restoration design system is for designing a restoration using the interference model.