Journal of Isfahan Dental School

Comparison of different methods used for maxillary molars distalization with Temporary Anchorage Devices: A Finite Element Analysis

Document Type : مقاله‌های پژوهشی

Authors

1 Orthodontist, Department of Orthodontics, School of Dentistry, Babol University of Medical Sciences, Babol, Iran.

2 Professor, Dental Materials Research Center, Institute of Health, Tehran University of Medical Sciences, Tehran, Iran.

3 Assistant Professor, Department of Orthodontics, School of Dentistry, Babol University of Medical Sciences, Babol, Iran

Abstract

Introduction: The purpose of this study was to compare different methods used for maxillary molars distalization with Temporary Anchorage Devices (TADs) with a Finite Element Analysis (FEM) method.
Materials and Methods: In this study, three different finite element models were constructed to represent three different methods of distalization. In model 1,a mini screw was inserted in the midpalatal area and used as a skeletal anchorage for the distal movement of the first and second maxillary molars. Model 2 was designed based on the insertion of mini screw in the buccal area. In model 3,a palatal plate was used for molar distalization.
Results: IIn this study, three different finite element models were constructed to represent three different methods of distalization. In model 1,a mini screw was inserted in the midpalatal area and used as a skeletal anchorage for the distal movement of the first and second maxillary molars. Model 2 was designed based on the insertion of mini screw in the buccal area. In model 3,a palatal plate was used for molar distalization.
Conclusion: In model 1 and model 2, distal movement of both molars occurred, but in model 3, some mesial movement was seen in buccal cusp of the first molar and both cusps of the second molar. Maximum distalization of the first and second molar occurred in model 2.
Key words: Bone screw; Finite element analysis; Anchorage .

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Journal of Isfahan Dental School
Volume 19, Issue 1 - Serial Number 1
June 2023
Pages 1-8