Method for generating a digital data set representing a target tooth arrangement
US11836936B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Sep 2, 2021 |
| Grant date | Dec 5, 2023 |
| Priority date | — |
| Expiry date | Aug 6, 2042 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06T2207/30036
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
The present application provides a computer-implemented method for generating a digital data set representing a target tooth arrangement, comprising: obtaining a first and a second 3D digital models respectively representing upper jaw teeth and lower jaw teeth under an initial tooth arrangement, where the first and the second 3D digital models are in a predetermined relative positional relationship; extracting a tooth level feature vector from each tooth of the first and second 3D digital models; preliminarily aligning the first and second 3D digital models based on the tooth level feature vectors using a trained first deep neural network; extracting a jaw level feature vector for each tooth of the preliminarily aligned first and second 3D digital models; and further aligning the preliminarily aligned first and second 3D digital models to obtain a target tooth arrangement based on the jaw level feature vectors using a trained second deep neural network.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.