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A tooth occlusal surface restoration method and system

A technology of occlusal surface and restoration method, which is applied in the field of denture restoration, and can solve the problem that key information cannot be well preserved

Inactive Publication Date: 2019-06-18
GUANGDONG UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention provides a tooth occlusal surface restoration method, which solves the problem in the prior art that key information on the occlusal surface of the residual area cannot be well preserved when repairing a defective tooth. The solution includes:

Method used

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  • A tooth occlusal surface restoration method and system
  • A tooth occlusal surface restoration method and system
  • A tooth occlusal surface restoration method and system

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Embodiment Construction

[0068] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0069] refer to figure 1 , is a flow chart of Embodiment 1 of a method for restoring the occlusal surface of teeth according to the present invention, the method comprising:

[0070] Step S101: Obtain the pre-established triangular mesh model of the missing tooth and the triangular mesh model of the standard tooth corresponding to the missing tooth, express the triangular mesh model of the missing tooth as an inlay preparation, and express the triangular mesh ...

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Abstract

The invention provides a dental occlusion surface recovering method. The method includes the steps that the vertexes on the residual occlusion surface of an inlay preparation and projection points, on a standard tooth model, of the vertexes are obtained, the projection points are dispersed to the corresponding vertexes, and the projection points are moved to a standard tooth by carrying out Laplacian deformation on the standard tooth so that the standard tooth can be tightly attached to the inlay preparation; as Laplacian deformation is carried out multiple times, model self-crosslinking can be prevented, and moreover key information of fossa, groove, cusp and ridge on the residual occlusion surface is retained.

Description

technical field [0001] The invention relates to the field of denture restoration, in particular to a tooth occlusal surface restoration method and system. Background technique [0002] Prosthodontics has found through statistical surveys that although there are differences in human teeth, the general shape is basically similar. Therefore, based on a large number of statistics, a set of standard dental banks has been summarized. Each individual tooth can correspond to the teeth in the standard dental bank. A standard tooth. [0003] In the prior art, when a defective tooth needs to be repaired, the defective tooth is usually repaired based on the residual part of the defective tooth and the standard tooth. curve) surface fitting technology to obtain the complete occlusal surface of the residual part, but the dimples, grooves, cusps, and ridges on the occlusal surface of the teeth are randomly distributed, and only relying on NURBS surface fitting technology will lead to dimp...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06T17/10
CPCG06T17/10
Inventor 马季仁夏鸿建赵翼翔
Owner GUANGDONG UNIV OF TECH
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