Three-dimensional crown–root movement in first premolar extraction cases treated with two clear aligner systems based on different materials: a retrospective cohort study

Abstract Aims To quantify and compare the three-dimensional (3D) deviations of crown and root movements produced by two clear aligner systems based on different materials—SmartTrack (ST) and MasterControl S (MCS)—in first premolar extraction cases using a 3D crown–root registration approach. Methods...

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Detalhes bibliográficos

Principais autores:	Luyao Qu, Runzhe Fang, Ruomei Li, Zitong Yang, Yixin Li, Xuehui Chen, Boxi Chen, Jian Wang, Lingjun Yuan, Lunguo Xia, Bing Fang
Formato:	Artigo
Idioma:	Inglês
Publicado em:	SpringerOpen 2026-05-01
Colecção:	Progress in Orthodontics
Assuntos:	Clear aligners First premolar extraction Three-dimensional tooth movement Linear mixed-effects models SmartTrack MasterControl S
Acesso em linha:	https://doi.org/10.1186/s40510-026-00624-3
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