Method for establishing dental jaw finite element model for orthodontics

Abstract

The invention provides a method for establishing a dental jaw finite element model for orthodontics, which comprises the following steps: step 1, establishing and optimizing model masks of teeth, dental pulp and alveolar bones by utilizing intraoral CBCT three-dimensional data of a human body; step 2, conducting reverse engineering processing on the three-dimensional reconstruction models of the teeth, the dental pulp and the alveolar bone to complete materialization of the models; step 3, generating a personalized periodontal ligament for each tooth, generating an internal three-dimensional solid structure for the alveolar bone, and assembling all part models; step 4, performing mesh generation on the complete dental three-dimensional solid model, and establishing a complete dental jaw mesh model; and step 5, carrying out independent material assignment on each component in the complete dental jaw mesh model to complete the establishment of the three-dimensional personalized dental jaw model finite element model. The dental jaw finite element model established by the method has extremely high geometric similarity and mechanical similarity, is high in modeling speed, and has greatapplication value in the field of orthodontics.

Description

technical field [0001] The patent of the invention relates to a method for establishing a finite element model of a tooth and jaw for orthodontics, and belongs to the technical field of orthodontics. Background technique [0002] With the development of science and technology, finite element model modeling technology is widely used in mechanical engineering, electrical engineering, automation engineering, construction engineering, medical engineering and so on. In the field of medical engineering, malocclusion is one of the three major oral diseases, affecting facial beauty and endangering human health. Currently, orthodontic treatment is the most effective means of treating malocclusion. In the existing orthodontic treatment, a series of issues such as the formulation of the treatment plan for each orthodontic stage and the prediction of the orthodontic effect mainly rely on the experience accumulated by the orthodontist. This treatment based on personal experience can le...

AI Technical Summary

Problems solved by technology

However, there is currently no method for establishing a finite element model for orthodontics, which leads to low modeling efficiency of the teeth and jaws, and there is a large error between the geometric similarity and mechanical similarity of the model and the patient's real teeth and jaws , it is impossible to truly restore the patient's dental condition, which directly affects the accuracy of the finite element simulation results, resulting in waste of time and labor costs, low treatment effects, and reduced patient satisfaction.

Images