Ivoclar Vivadent has patented a method for comparing three-dimensional dental structures. The process involves acquiring data sets of natural and digital tooth models, determining comparison values, and calculating deviations to aid in the manufacturing of dental restorations. GlobalData’s report on Ivoclar Vivadent 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 Ivoclar Vivadent, was a key innovation area identified from patents. Ivoclar Vivadent's grant share as of June 2024 was 57%. Grant share is based on the ratio of number of grants to total number of patents.
Method for comparing three-dimensional dental structures
The patent US12045984B2 outlines a method for comparing three-dimensional dental structures, specifically focusing on the analysis of natural teeth and digital tooth models. The process begins with acquiring a target data set that captures the shape and optical properties of a natural tooth. This is followed by rendering a digital tooth model to create an actual data set representing the digital model's characteristics. The method involves determining comparison values from both data sets and calculating a deviation based on these values. Notably, the target and actual data sets can be scaled to achieve alignment in a common coordinate system, facilitating accurate comparisons. The determined deviation is then utilized for the manufacturing of dental restorations.
Additionally, the patent describes various enhancements to the method, including the use of grids or lines for obtaining comparison values, the application of filters to reduce image noise, and the incorporation of two-dimensional images from multiple angles. The method can also accommodate three-dimensional shapes, with deviations calculated from corresponding surface positions. The acquisition of the target data set can be performed using electronic cameras or 3D scanners. Furthermore, the patent encompasses computer devices and program products designed to execute the described method, ensuring that the technology can be effectively implemented in dental practices for improved restoration outcomes.
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