Dental Mold Fabrication Data Flow for High-Volume Aligner Production
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Solution Overview
Problem
Existing dental mold fabrication systems are inefficient, with issues such as non-unique mold identification, structural problems like holes and free-floating island structures, excessive resin use, inefficient packing, and poor laser marking, which hinder high-volume, automated production of customized dental aligners.
Innovation Solution
A centralized manufacturing system that processes 3D jaw and teeth data to generate automated mold data, cutting paths, and laser marking information, optimizing resin usage, reducing manual errors, and improving tray packing efficiency through automated data verification and processing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If traditional dental mold fabrication methods are used, then manual flexibility is maintained, but productivity and manufacturing precision deteriorate due to inefficiency and errors
Solution Approach 1:
The patent replaces manual mechanical mold fabrication processes with automated computer-controlled systems. The centralized manufacturing system uses software to generate mold data, cutting paths, and laser marking information automatically, eliminating manual measurement, drawing, and fabrication steps while maintaining design flexibility through digital modeling.
Solution Approach 2:
The system enables self-service automation where the manufacturing process generates its own control data. The centralized manufacturing system automatically processes dental scan data to produce mold geometry, cutting paths, and laser marking coordinates without requiring manual intervention at each step, allowing the system to serve itself through automated data transformation and process control.
2Productivity
If automated manufacturing is implemented, then productivity improves, but manufacturing precision may worsen due to automation errors
Solution Approach 1:
The patent implements feedback mechanisms where the system automatically verifies and validates generated mold data against original dental scan data. The centralized manufacturing system compares generated cutting paths and laser marking coordinates with the source geometry, ensuring accuracy is maintained throughout automated high-volume production through continuous data verification.
Solution Approach 2:
The system creates precise digital copies of dental anatomy through scan data, then generates accurate physical molds through automated processes. The centralized manufacturing system produces multiple identical or variant molds from the same digital master model, ensuring consistent precision across high-volume production through digital replication rather than manual reproduction.
3Loss of time
If manual mold fabrication is used, then adaptability is maintained, but loss of time increases due to repetitive manual operations
Solution Approach 1:
The patent implements dynamic adaptability where the centralized manufacturing system can quickly adjust production parameters, mold designs, and cutting paths through software modifications. The system dynamically generates customized mold data for different dental cases, tooth arrangements, and aligner designs without requiring physical retooling, enabling rapid adaptation to varying production requirements while maintaining high speed.
Solution Approach 2:
The system enables rapid parameter changes by modifying digital model parameters rather than physical tooling. The centralized manufacturing system adjusts mold geometry, cutting depths, laser marking patterns, and material specifications through software parameter adjustments, allowing quick adaptation to different dental cases and aligner types while maintaining automated high-volume production efficiency.
4Ease of manufacture
If excessive resin is used in mold fabrication, then manufacturing ease improves, but loss of substance increases due to material waste
Solution Approach 1:
The patent applies partial action by generating resin application paths that precisely cover only the necessary mold areas. The centralized manufacturing system calculates optimal resin deposition locations and quantities based on the specific mold geometry and cutting paths, applying resin only where needed rather than excessive coverage, thereby reducing material waste while maintaining adequate mold fabrication.
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
Enables high-volume, automated fabrication of customized dental aligners with improved structural integrity, reduced resin usage, and enhanced precision, minimizing manual errors and production time.
Implementation Method 1
Stereolithography is a method that employs an ultraviolet laser to cure a thin layer of liquid plastic into a solid
Data Source
AI summary
Systems for volume manufacturing of items are provided. In some embodiments, a fabrication system is configured to retrieve a fabrication data package including manufacturing data. The system can verify the manufacturing data of the fabrication data package, and transmit the fabrication data package to at least one fabrication terminal configured to perform at least one fabrication process in accordance with the manufacturing data of the fabrication data package. If a predefined fabrication processing time period has not expired, the system can determine a process load associated with at least one additional fabrication data package, and repeating the above processes for the at least one additional fabrication data package, if the process load of the at least one additional fabrication data package is less than a predetermined process load of the fabrication system. If the predefined fabrication processing time period has expired, the system can generate a status report.