A method and system for constructing a natural tooth type database

A construction method and database technology, applied in image data processing, electrical digital data processing, special data processing applications, etc., can solve the lack of applicability of the tooth type database, the lack of natural tooth-specific texture, and the difficulty in satisfying various types of patients and patients. Doctors and other problems, achieve the effect of convenient and quick design, improve aesthetic performance, and improve processing efficiency

Active Publication Date: 2020-03-20
SICHUAN UNIV
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0005] The technical problem to be solved by the present invention is that the existing tooth type database lacks universal applicability and lacks the unique texture of natural teeth, so it is difficult to meet the needs of various types of patients and doctors. The purpose is to provide a construction of a natural tooth type database Method and system to solve the above problems

Method used

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  • A method and system for constructing a natural tooth type database
  • A method and system for constructing a natural tooth type database
  • A method and system for constructing a natural tooth type database

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Embodiment

[0045] Such as figure 1 As shown, a method and system for constructing a natural tooth type database of the present invention includes the following steps: S1: Screen out the subject and record the information of the subject; Scanning and constructing a 3D model based on the scanning results; S3: Segment each natural tooth on the 3D model separately, and the segmentation process does not destroy the shape of the hard tissue of the tooth; S4: Repair the segmented natural teeth and remove the teeth. For the soft tissue around the body, the hard tissue of the tooth is preserved, and the rough triangular surface and scanning defects are smoothed; S5: mirror image processing is performed on the modified ipsilateral tooth to generate symmetrical tooth data with the same shape and size; S6: According to the type and position of the tooth, edit the anatomical landmark area of ​​the symmetrical tooth data to form tooth data and pontic data; S7: Combine the tooth data of each tooth with...

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Abstract

The invention discloses a method for constructing a natural tooth type database, comprising the following steps: 1. Recording object information; 2. Obtaining a digital model; 3. Segmenting dentition data; 4. Modifying tooth shape; 5. Mirror image processing; 6. . Tooth type anatomical landmark area editing; 7. Dental data positioning editing; 8. Natural tooth type database import. The invention also discloses a system for constructing a natural tooth type database. The present invention is a method and system for constructing a natural tooth type database. The construction of the natural tooth type database is completed through the above-mentioned technology, which solves the problems of tooth type mismatch, single shape, lack of natural shape texture, and poor aesthetics in the current digital design of dental restoration; Moreover, the natural tooth database constructed by this method can be used in any digital restorative design, such as crowns, bridges, veneers, inlays, removable partial dentures, and complete dentures; Matching profile data.

Description

technical field [0001] The invention relates to the technical field of biological information, in particular to a method and system for constructing a natural tooth type database. Background technique [0002] The production of oral restorations is a crucial step in oral restoration treatment. With the widespread application of digital technology in the field of oral restoration, the production of dentures and artificial teeth has gradually changed from wax-up, porcelain, and tooth arrangement to digital design and CNC cutting. With 3D printing, doctors and technicians' cognition and use of tooth shapes have also changed from the previous cognition of tooth anatomy to three-dimensional digital models. Especially in crown and bridge restoration, veneer restoration, implant restoration and complete denture restoration, the application of CAD / CAM is very popular. The rapid development of digital technology in the field of oral restoration benefits from its intelligence, conven...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F30/00G16H30/40G06T7/50G06T17/10G06T19/20
CPCG16H30/40G06T7/50G06T17/10G06T19/20G06T2207/30036G06F30/00
Inventor 于海洋刘春煦
Owner SICHUAN UNIV
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