Dental Restoration Design Using Occlusal Interference Modeling
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Solution Overview
Problem
Existing dental restoration fabrication methods often fail to accurately simulate occlusal interference, leading to suboptimal fit and functionality of dental restorations.
Innovation Solution
A system and method utilizing a functional bite map and motion data to generate an interference model, which is used to design dental restorations that avoid occlusal interference regions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If traditional dental restoration fabrication methods are used, then the fabrication process is simple, but occlusal interference cannot be accurately simulated leading to suboptimal fit and functionality
Solution Approach 1:
The interference model is generated in advance during the design phase, capturing the spatial relationships and occlusal interference patterns before the restoration is fabricated. This preliminary modeling allows the restoration to be designed with precise occlusal clearance without requiring complex adjustments during fabrication or clinical placement
Solution Approach 2:
A digital interference model is created as a virtual representation of the patient's dentition and occlusal relationships. This digital copy allows for accurate simulation and analysis of occlusal interference patterns, enabling precise restoration design while avoiding the complexity of physical models and manual measurements
2Reliability
If motion capture apparatus and interference modeling are implemented, then occlusal interference is accurately simulated, but the system complexity and data processing requirements increase
Solution Approach 1:
The interference model serves as an intermediary digital representation that captures the complex occlusal relationships and motion patterns. Instead of directly analyzing raw motion capture data during restoration design, the interference model translates this data into a usable format that shows occlusal interference regions, simplifying the design process while maintaining high reliability
Solution Approach 2:
Traditional mechanical methods of simulating occlusal interference (such as physical articulators and manual model adjustment) are replaced with a digital interference modeling system. This substitution uses computational algorithms to analyze motion capture data and generate interference models, reducing physical complexity while improving precision and reliability
3Measurement precision
If interference models are generated from multiple bite positions, then occlusal interference regions are accurately identified, but the measurement and data capture complexity increases
Solution Approach 1:
The motion capture apparatus records the positions of opposing dental arches at multiple bite positions in advance, capturing the dynamic occlusal relationships before restoration design begins. This preliminary data collection establishes a comprehensive baseline that allows for accurate interference model generation without requiring repeated measurements during the design process
Solution Approach 2:
The actual bite positions and occlusal relationships are copied into a digital interference model that represents the spatial relationships across multiple bite positions. This digital copy allows for repeated analysis and visualization of occlusal interference patterns without requiring physical re-measurement, simplifying the detection process while maintaining high measurement precision
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.