Finite Element Analysis Model for Assessing Expansion Patterns from Surgically Assisted Rapid Palatal Expansion

Jia-Hong Lin; Guan-Lin Wu; Chun-Kai Chiu; Steven Wang; Chun-Hsi Chung; Chenshuang Li

doi:10.3791/65700

Modelo de Análisis de Elementos Finitos para Evaluar los Patrones de Expansión a partir de la Exp...

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Bioengineering

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JoVE Journal Bioengineering

Finite Element Analysis Model for Assessing Expansion Patterns from Surgically Assisted Rapid Palatal Expansion

Modelo de Análisis de Elementos Finitos para Evaluar los Patrones de Expansión a partir de la Expansión Palatina Rápida Asistida Quirúrgicamente

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07:16 min

October 20, 2023

DOI: 10.3791/65700-v

Jia-Hong Lin*¹, Guan-Lin Wu*², Chun-Kai Chiu², Steven Wang³, Chun-Hsi Chung¹, Chenshuang Li¹

¹Department of Orthodontics, School of Dental Medicine,University of Pennsylvania, ²Department of Biomedical Engineering, College of Engineering,National Cheng Kung University, ³Department of Oral and Maxillofacial Surgery/Pharmacology, School of Dental Medicine,University of Pennsylvania

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Overview

This study develops a novel finite element analysis (FEA) model for surgically assisted rapid palatal expansion (SARPE) to better understand the expansion patterns of the hemimaxillae. The model aims to accurately simulate clinical conditions and investigate the effects of various angles of buccal osteotomy.

Key Study Components

Area of Science

Orthodontics
Bioengineering
Finite Element Analysis

Background

SARPE is used for maxillary expansion in skeletally mature patients.
Asymmetric expansion has been reported, but its causes are unclear.
Finite element analysis allows for in vitro simulation of surgical procedures.
Previous studies have struggled to simulate forces at the wound healing site.

Purpose of Study

To develop a novel FEA model of SARPE.
To mimic clinical conditions accurately.
To investigate the three-dimensional expansion patterns of the hemimaxilla.

Methods Used

Development of a finite element model using four software tools.
Simulation of various angles of buccal osteotomy.
Analysis of expansion patterns in three dimensions.
Assessment of forces at the osteotomy surface during healing.

Main Results

The FEA model successfully mimicked clinical conditions.
Expansion patterns were analyzed in all three dimensions.
Insights into asymmetric expansion were gained.
The model can aid in understanding the mechanics of SARPE.

Conclusions

The novel FEA model provides a better understanding of SARPE.
It can help predict expansion patterns and improve clinical outcomes.
Future studies can build upon this model for further research.

Frequently Asked Questions

What is SARPE?

SARPE stands for surgically assisted rapid palatal expansion, a procedure used to widen the upper jaw.

Why is FEA important in this study?

FEA allows for the simulation of surgical procedures and helps predict outcomes in a controlled environment.

What were the main findings of the study?

The study developed a model that accurately simulates SARPE and provides insights into expansion patterns.

How does asymmetric expansion occur?

Asymmetric expansion can occur due to various factors, including uneven force distribution during the procedure.

What software was used in the study?

Four different software tools were utilized to develop and analyze the FEA model.

What are the implications of this research?

This research can improve clinical practices and outcomes for patients undergoing SARPE.

Se creó un conjunto de nuevos modelos de elementos finitos de expansión palatina rápida asistida quirúrgicamente (SARPE) que podrían realizar una cantidad clínicamente requerida de activación del expansor con varios ángulos de osteotomía bucal para un análisis más detallado de los patrones de expansión de los hemimaxilares en las tres dimensiones.

El SARPE se usa comúnmente para la expansión maxilar en pacientes inmaduros esqueléticos. Sin embargo, se ha descrito una expansión asimétrica con etiologías desconocidas. Este estudio tiene como objetivo desarrollar un nuevo modelo FEA de SARPE que pueda imitar realmente las condiciones clínicas, e investigar los patrones de expansión del hemimaxilar en las tres dimensiones.

El análisis de elementos finitos se ha utilizado en el campo de la odontología y la bioingeniería para permitir la simulación in vitro de cirugías, como SARPE. En este estudio, se utilizaron cuatro programas informáticos para configurar el modelo FEA y predecir el patrón de expansión. La parte más difícil, que la mayoría de los estudios anteriores vinculan, es simular las fuerzas en el sitio de cicatrización de la herida a través de la superficie de la osteotomía.

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