Design method, system and preparation of a variable-section nickel-titanium root canal file for root canal preparation

A design system and design method technology, applied in design optimization/simulation, constraint-based CAD, special data processing applications, etc., can solve problems such as the separation of nickel-titanium files and instruments, achieve improved file cutting force, perfect theoretical support, The effect of improving the ability to resist torsional fracture
CN111759488BActive Publication Date: 2021-08-24SHANDONG UNIV
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Patent Information

Authority / Receiving Office
CN Β· China
Patent Type
Patents(China)
Current Assignee / Owner
SHANDONG UNIV
Publication Date
2021-08-24

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Abstract

The invention relates to a design method for a variable-section nickel-titanium root canal file used in root canal preparation, which belongs to the field of medical device manufacturing, including: discretizing the overall structure of the nickel-titanium file; The two-dimensional unit tool cutting force modeling was carried out; the three-dimensional filing force model of the root canal preparation process was established, and the optimal parameters of the micro-element sections of the nickel-titanium file were obtained; each cutting unit was assembled, and the geometric parameters of each section were calculated. secondary adjustment. The present invention optimizes the parameters of each unit structure and the overall structure through discrete processing of nickel-titanium file instruments, with the help of ideas related to metal cutting and grinding, and using multidisciplinary knowledge such as differential geometry, biomechanics, and dental pulp. , improve the problem of instrument separation during the use of the nickel-titanium file instrument, and at the same time can obtain a higher resistance to torsional fracture of the nickel-titanium file instrument, thereby improving the efficiency and quality of the root canal preparation process.
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Description

technical field

[0001] The invention belongs to the field of medical device manufacturing, and in particular relates to a design method for a variable-section nickel-titanium root canal file used in root canal preparation. Background technique

[0002] The information disclosed in this background section is only intended to increase the understanding of the general background of the present invention, and is not necessarily taken as an acknowledgment or any form of suggestion that the information constitutes the prior art already known to those skilled in the art.

[0003] Root canal preparation refers to the use of rotation and reciprocating motion of specialized surgical instruments to remove diseased dentin in the root canal to form a smooth and tapered root canal, which is one of the key steps in the treatment of pulp disease. Nickel-titanium files are commonly used and the first equipment in the root canal preparation process. Compared with traditional stainless steel i...

Claims

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