Biomechanical effect of dual-dimensional archwire on controlled movement of anterior teeth compared with rectangular archwire: A finite element study

This study aimed to determine and compare the effectiveness of the use of the dual-dimensional archwire and conventional rectangular archwire on tooth movement patterns when combined with various lengths of power arms. Displacements of the maxillary central incisor and the deformation of the wire se...

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Bibliographic Details
Published in:American journal of orthodontics and dentofacial orthopedics 2024-07, Vol.166 (1), p.26-35
Main Authors: Kuga, Daiki, Hamanaka, Ryo, Komaki, Hiroya, Tominaga, Jun-ya, Yamaguchi, Runa, Emori, Toshiro, Horiguchi, Yui, Yoshida, Noriaki
Format: Article
Language:English
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Summary:This study aimed to determine and compare the effectiveness of the use of the dual-dimensional archwire and conventional rectangular archwire on tooth movement patterns when combined with various lengths of power arms. Displacements of the maxillary central incisor and the deformation of the wire section were calculated when applying retraction forces from different lengths of power arms using the finite element method. Torque control of the incisor could be carried out more effectively when using the dual-dimensional archwire combined with long power arms than with the rectangular archwire. The use of the dual-dimensional archwire produced bodily movement of the central incisor at height levels of the power arm between 8 and 10 mm and lingual root tipping at the level of 10 mm. The use of the dual-dimensional archwire provided better-controlled movement of the incisor, including bodily movement or root movement, than the rectangular archwire. •Biomechanical features of dual-dimensional and rectangular archwire were compared.•The dual-dimensional archwire provided better torque control of the incisor.•The dual-dimensional archwire showed greater mesiolingual molar rotation.•The dual-dimensional archwire produced less frictional resistance.•The use of the dual-dimensional archwire could shorten the treatment time.
ISSN:0889-5406
1097-6752
1097-6752
DOI:10.1016/j.ajodo.2024.02.008