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Method for designing virtual dental articulator for functionality occlusal plane of tooth crown and bridge

A design method and occlusal surface technology, applied in calculation, special data processing applications, instruments, etc., to avoid repeated grinding and improve accuracy and efficiency

Active Publication Date: 2015-06-17
PEKING UNIV SCHOOL OF STOMATOLOGY +1
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  • Abstract
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AI Technical Summary

Problems solved by technology

[0013] So far, there is no virtual fully adjustable articulator that can be used for dental restoration CAD / CAM technology at home and abroad

Method used

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  • Method for designing virtual dental articulator for functionality occlusal plane of tooth crown and bridge
  • Method for designing virtual dental articulator for functionality occlusal plane of tooth crown and bridge
  • Method for designing virtual dental articulator for functionality occlusal plane of tooth crown and bridge

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Embodiment Construction

[0043] The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0044] see figure 1 , a virtual articulator design method for functional occlusal surfaces of dental crowns and bridges of the present invention, comprising the following steps:

[0045] 1) Use the mandibular movement trajectory analyzer to record the three-dimensional trajectory information of the characteristic movement of the mandible during the individual chewing movement;

[0046] 2) Register and fuse the working coordinate system of the mandibular motion trajectory analyzer with the three-dimensional scanning coordinate system of the dentition;

[0047] 3) Create the CAD data of the crown and bridge restoration of the static cross-occlusal teeth;

[0048] 4) Establishment of virtual occlusal automatic detection and automatic occlusal adjustment platform;

[0049] 5) Virtual occlusal automatic detection;

[0050] 6) Automatic ...

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Abstract

The invention relates to a method for designing a virtual dental articulator for the functionality occlusal plane of a tooth crown and bridge. The method includes the following steps that (1) the three-dimensional trail information of lower jaw feature movement during individual chewing movement is recorded by a lower jaw movement trail analyzer; (2) the working coordinate system of the lower jaw movement trail analyzer and a dentition three-dimensional scanning coordinate system are subjected to registration and fusion; (3) static intercuspal occlusion tooth crown and bridge prosthesis CAD data are established; (4) an automatic virtual occlusion detection and automatic tooth migration platform is established; (5) automatic detection for virtual occlusion is conducted; (6) automatic virtual tooth migration is carried out, so that the CAD data of the tooth crown and bridge with the functionality occlusal plane are established. According to the method, the individual chewing feature movement of each person is simulated, precise quantitative automatic virtual occlusion detection and automatic virtual tooth migration are achieved, repeated adjusting and grinding are avoided when a patient tries on the prosthesis, and therefore the precision and efficiency for making the prosthesis are greatly improved.

Description

technical field [0001] The invention relates to a dental crown and bridge prosthesis CAD, in particular to a virtual articulator design method for functional occlusal surfaces of dental crowns and bridges. Background technique [0002] The articulator is a commonly used auxiliary device in the design and fabrication of clinical restorations. It can simulate the movement of the human jaw, and the restorations made with the aid of the articulator are more likely to meet the individual needs of the patient. [0003] Dental restoration CAD / CAM (Computer Aided Design / Computer Aided manufacturing, computer-aided design and computer-aided manufacturing) technology is a highly automated restoration design and processing technology. In addition to the high precision and high efficiency of industrial automation, this type of system In addition to its unique features, it also integrates a large number of medical experts' knowledge and clinical experience into the CAD software, which c...

Claims

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Application Information

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IPC IPC(8): G06F17/50
Inventor 孙玉春吕培军王勇戴宁隋华欣姜晓通
Owner PEKING UNIV SCHOOL OF STOMATOLOGY
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