Align Technology. has been granted a patent for a method of automated quality control for 3D printed molds used in orthodontic aligners. The method involves capturing multiple images of the mold, analyzing them for manufacturing defects, and classifying the mold as defective based on identified issues. GlobalData’s report on Align Technology gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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According to GlobalData’s company profile on Align Technology, Digital intra-oral scanning was a key innovation area identified from patents. Align Technology's grant share as of July 2024 was 57%. Grant share is based on the ratio of number of grants to total number of patents.
Automated quality control for 3d printed orthodontic molds
The patent US12073552B2 outlines a method and system for automated quality control of three-dimensional (3D) printed molds used in orthodontic aligners. The process begins with generating multiple images of the 3D printed mold through imaging devices, capturing distinct regions of the mold. A processing device analyzes these images to identify various manufacturing defects, determining the probability of each defect type present in the images. The method incorporates machine learning models trained to recognize these defects, which include internal volume defects, surface defects, and interface defects. Additionally, the system assesses the severity of any identified defects to evaluate their potential impact on the mold's performance.
The manufacturing system described in the patent includes a 3D printer, an image capture device, and a processor that collectively facilitate the quality analysis of the printed mold. The processor processes the images to ascertain quality-related properties and decides whether the mold is suitable for forming an orthodontic aligner. If defects are detected, the system can classify the mold as defective and initiate the printing of a new mold. The system also allows for the analysis of the orthodontic aligner itself, determining if any defects in the aligner can be traced back to the mold. This comprehensive approach aims to enhance the reliability and effectiveness of orthodontic aligner production through automated quality control measures.
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