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Different anchorages can affect the position of maxillary third molars in extraction treatment / 中国组织工程研究
Chinese Journal of Tissue Engineering Research ; (53): 192-196, 2020.
Artigo em Chinês | WPRIM | ID: wpr-848083
ABSTRACT

BACKGROUND:

In orthodontic treatment, different anchorage controls will make different effects on the maxillary third molar. Whether this can affect the normal eruption of maxillary third molar remains unclear.

OBJECTIVE:

To explore the effect of Physiologic Anchorage Spee-Wire System (PASS) treatment on impacted maxillary third molars, and to provide reference for clinical application.

METHODS:

Thirty patients with maxillary third molars were treated with PASS and 30 patients were treated with McLaughlin, Bennett, and Trevisi (MBT). All patients chose the plan of extracting four first premolars. The angles and distances were measured before and after treatment and statistical analysis was performed. The study was in accordance with the ethical requirements of the Fifth Affiliated Hospital of Xinjiang Medical University. All participants and their guardians signed the informed consents. RESULTS AND

CONCLUSION:

(1) In the PASS group, the ∠UM3-HP, ∠UM2-HP and U-ES were significantly increased (P=0.00), and the UM3-OP was significantly decreased (P=0.00), indicating that the maxillary second molar and third molar became more upright, and larger eruption space contributed to eruption. (2) Compared with the PASS group, the obliquity of the maxillary third molar in the MBT group showed significant change, while the vertical eruption rate in the PASS group was relatively larger. (3) These results imply that both PASS and MBT can improve the eruption angle and space of the third molar, and make it easier to erupt in orthodontic treatment of extraction of the first premolar.

Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Idioma: Chinês Revista: Chinese Journal of Tissue Engineering Research Ano de publicação: 2020 Tipo de documento: Artigo

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Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Idioma: Chinês Revista: Chinese Journal of Tissue Engineering Research Ano de publicação: 2020 Tipo de documento: Artigo