CAD and 3D Printing Denture Workflow
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
The traditional process of fabricating dentures is time-consuming and costly, requiring multiple visits between patients and healthcare professionals, with potential inaccuracies in fit and aesthetics due to manual methods, leading to the need for reducing the number of visits and manufacturing time.
Innovation Solution
A method using CAD design combined with additive manufacturing, such as 3D printing, to create a virtual denture model that accurately replicates the patient's oral anatomy, allowing for the production of a functional fitting replica denture with precise alignment and gingival architecture, reducing the need for manual adjustments and improving fit and aesthetics.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If traditional manual methods are used to fabricate dentures, then dentures can be produced with basic functionality, but the process is time-consuming and requires multiple patient visits
Solution Approach 1:
The patent creates a digital copy (3D digital model) of the patient's oral anatomy through scanning, which serves as a precise template for denture fabrication. This digital replica eliminates the need for multiple physical impressions and try-ins, significantly reducing patient visits while maintaining accuracy
Solution Approach 2:
The patent replaces traditional mechanical manual fabrication methods with computer-aided design (CAD) and computer-aided manufacturing (CAM) systems. The digital workflow automates the denture design and production process, reducing manual intervention and accelerating fabrication time
2Manufacturing precision
If traditional manual fabrication methods are used, then dentures can be produced with basic functionality, but manufacturing precision and fit accuracy are compromised
Solution Approach 1:
The patent replaces manual measurement and fabrication techniques with digital scanning and CAD/CAM technology. The optical scanner captures precise 3D data of the patient's oral structures, and software algorithms automatically calculate optimal tooth positioning and denture geometry, achieving superior fit accuracy without increasing manual complexity
Solution Approach 2:
The patent performs preliminary digital planning and visualization before actual fabrication. The CAD software allows virtual try-in of different denture designs and tooth arrangements, enabling optimization of fit and aesthetics before committing to the final manufacturing process
3Ease of manufacture
If traditional manual denture fabrication is used, then basic dentures can be produced, but cost and time expenses increase
Solution Approach 1:
The patent implements an automated digital workflow that replaces time-consuming manual procedures with computer-controlled processes. The entire process from scanning to final denture production is managed through integrated software, eliminating redundant steps and significantly reducing total manufacturing time
Solution Approach 2:
The patent creates a continuous digital workflow where the 3D scan data directly feeds into CAD design, which then seamlessly transitions to CAM manufacturing. This uninterrupted digital thread eliminates the delays and handoff errors associated with traditional segmented processes
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This approach significantly reduces the time and cost of denture production by minimizing the number of patient visits and improving the accuracy of the final denture fit and aesthetics, allowing patients to evaluate the fit and function of the denture more effectively during the process.
Implementation Method 1
In 3D printing, a virtual or digital representation of an object is reduced to a physical form by depositing material in a pattern corresponding to a cross-sectional layer of the object
Implementation Method 2
The liquid is hardened in the required pattern, for example by cross-linking
Implementation Method 3
where a molten thermoplastic material is used, by cooling
Implementation Method 4
Powder, applied to a substrate in a pattern corresponding to a layer of a digital representation, is hardened by any known method suitable for the selected powder such as heating
Data Source
AI summary
The present application describes a method for designing and manufacturing a denture device for a patient. A method is described for designing a virtual denture and manufacturing a functional fitting replica denture from the virtual denture. An apparatus comprising a functional fitting replica denture is prepared having denture teeth having a fit substantially similar to the final denture. The methods and apparatus described herein reduce the number of visits required to manufacture the final denture.