A digital design method for the shape of a bionic dental crown with individual functions

A design method and technology of bionic teeth, applied in dentistry, dental prosthesis, medical science, etc., can solve problems such as failure to achieve bionic design goals, insufficient ability to design individual physiological functions and shapes, etc.

Active Publication Date: 2021-06-15
NANJING PROFETA INTELLIGENT TECH CO LTD
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Problems solved by technology

[0002] The existing digital design methods for the shape of fixed dentures are mainly divided into database method, mirror image method and replication method. Although the anatomical shape of the crown to be repaired can be quickly reconstructed, the ability to design the shape of individual physiological functions is significantly insufficient and has not reached the ideal. biomimetic design goals

Method used

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Embodiment Construction

[0015] The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0016] A digital design method for the profile of a bionic dental crown with individual functions according to the present invention is characterized in that it has the following steps:

[0017] 1) Batch scanning of normal occlusion and maxillary dentition as a standard template database;

[0018] 2) Scan the preparation of the tooth to be repaired, the adjacent teeth, and the opposing teeth, and record it as data D1;

[0019] 3) Take the adjacent teeth and opposing teeth in D1 as the common area to match with each standard data in the standard template database, and select a group with the smallest deviation value as the matching data D2;

[0020] 4) Use the crown data of the same tooth position as the tooth to be restored in D2 to fuse with the preparation of the tooth to be restored to generate the initial data of the restoration; ...

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Abstract

The invention relates to a digital design method for the shape of a bionic dental crown with individual functions. The steps are: batch scan normal occlusal upper and lower jaw dentition as a standard template database; is the data D1; use the adjacent teeth and opposing teeth in D1 as the common area to match with the data in the standard template database, and select the matching data D2; use the crown data in D2 at the same position as the tooth to be repaired and the data to be repaired Dental preparations were fused to generate initial restoration data; the cusps were staggered and adjusted so that there was no intersection with the opposing teeth; the functional occlusal surfaces of the two adjacent teeth in the mesiodistal and the crowns on the opposite side of the dental arch were extracted , to generate the motion trajectory of the teeth to be repaired; use the envelope surface of the movement of the opposing cusp as the functional occlusal surface shape of the teeth to be repaired. The invention can imitate the process of senior dental experts designing the bionic axial surface, the functional occlusal surface and the physiological wear surface of the tooth, so as to realize the rapid bionic design.

Description

technical field [0001] The invention relates to a three-dimensional design of the most suitable fixed denture shape for the shape of a tooth crown, in particular to a digital design method for the shape of a bionic tooth crown with individual functions. Background technique [0002] The existing digital design methods for the shape of fixed dentures are mainly divided into database method, mirror image method and copy method. Although the anatomical shape of the crown to be repaired can be quickly reconstructed, the ability to design the shape of individual physiological functions is significantly insufficient and has not reached the ideal. bionic design goals. Contents of the invention [0003] The purpose of the present invention is to provide a digital design method for the shape of a bionic crown with individual functions, which can imitate the process of senior dental experts designing the bionic axial surface, functional occlusal surface and physiological wear surfac...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61C13/00
CPCA61C13/0004
Inventor 孙玉春陈虎王勇周永胜叶红强白鹤飞马珂楠
Owner NANJING PROFETA INTELLIGENT TECH CO LTD
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