A Finite Element Approach for Locating the Center of Resistance of Maxillary Teeth

Bill Luu; Edward  Anthony Cronauer; Vaibhav Gandhi; Jonathan Kaplan; David  M. Pierce; Madhur Upadhyay

doi:10.3791/60746

A Finite Element Approach for Locating the Center of Resistance of Maxillary Teeth

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Biology

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JoVE Journal Biology

A Finite Element Approach for Locating the Center of Resistance of Maxillary Teeth

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10:50 min

April 8, 2020

DOI: 10.3791/60746-v

Bill Luu¹, Edward Anthony Cronauer², Vaibhav Gandhi¹, Jonathan Kaplan³, David M. Pierce^3,4, Madhur Upadhyay¹

¹Division of Orthodontics,University of Connecticut Health, ²Private Practice, Miami, FL, ³Department of Biomedical Engineering,University of Connecticut, ⁴Department of Mechanical Engineering,University of Connecticut

Overview

This study provides a comprehensive step-by-step method for locating the center of resistance (C RES) of maxillary teeth using low-dose cone beam CT images. The technique generates finite element models that can effectively be applied both to maxillary and mandibular dentition.

Key Study Components

Research Area

Orthodontics
Biomechanics
Dentistry

Background

The center of resistance is crucial for understanding tooth movement.
This research eliminates the need for future studies to start from scratch.
Standardization in obtaining the 3D location enhances reproducibility in research.

Methods Used

Three-dimensional imaging and finite element modeling
Human maxillary teeth
Cone beam computed tomography (CBCT), segmentation, and data optimization software

Main Results

Introduced a detailed guide for obtaining the 3D center of resistance.
Demonstrated effective segmentation and modeling techniques.
Facilitated future orthodontic research through a standardized approach.

Conclusions

This methodology provides a foundation for further investigation into tooth movements.
It is significant for both clinical applications and scientific research in dentistry.

Frequently Asked Questions

What is the significance of locating the center of resistance?

It helps in predicting tooth movement during orthodontic treatment.

Can this method be applied to mandibular dentition?

Yes, the technique is applicable to both maxillary and mandibular teeth.

What tools are necessary for the segmentation process?

Medical imaging software and data optimization tools are required.

How does this research benefit future studies?

It provides a standardized method that reduces redundant efforts in methodology.

Are there any specific software programs recommended?

Yes, specific medical imaging software for processing DICOM files is suggested.

What type of models does this study focus on?

The study focuses on finite element models of maxillary teeth.

This study outlines the necessary tools for utilizing low-dose three-dimensional cone beam-based patient images of the maxilla and maxillary teeth to obtain finite element models. These patient models are then used to accurately locate the C_RES of all the maxillary teeth.

Now this is for the first time that a work has been done that presents a step-by-step guide on how to figure out the center of resistance. And this is really important because any research that intends to build on it does not have to now go back to the drawing board, kind of reinvent the wheel again, and then move forward. And it takes off an enormous amount of burden off any research that intends to build on this center of resistance concept.

This step-by-step method will empower the scientific community to obtain a 3D location of the center of mass for a tooth or a set of teeth in a standardized manner. This technique can be applied both maxillary as well as mandibular dentition. It would be interesting to apply this concept to similar complex tooth movement with multi-bracket assembly.

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