Application of a novel form of structural classification of the pterygopalatine suture for predicting midpalatal suture expansion by miniscrew-assisted rapid palatal expansion in adults: A cohort study.

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Tác giả: Miri Chung, Lingyong Jiang, Yifeng Qian, Wenyi Zhang, Yanfei Zhu

Ngôn ngữ: eng

Ký hiệu phân loại:

Thông tin xuất bản: United States : American journal of orthodontics and dentofacial orthopedics : official publication of the American Association of Orthodontists, its constituent societies, and the American Board of Orthodontics , 2025

Mô tả vật lý:

Bộ sưu tập: NCBI

ID: 552112

 INTRODUCTION: This study proposes a novel structural parameter, the insertion depth of the pyramidal process into the pterygoid notch (IDP), as a measure of pterygopalatine suture (PPS) resistance during palatal expansion and aims to evaluate the correlation between the IDP-based PPS classification and midpalatal suture (MPS) expansion. METHODS: Preexpansion and postexpansion cone-beam computed tomography images of 23 adults treated with miniscrew-assisted rapid palatal expansion were superimposed. After superimposition, the IDP, sagittal position of the expander, bone thickness penetrated by the miniscrews, PPS separation status (PPS RESULTS: Both hemi-AME and hemi-PME increased significantly with PPS separation (regression coefficient [b] = 0.88 and 1.25, respectively
  P <
 0.01). IDP was negatively correlated with the probability of PPS separation (P <
 0.01), and the OC CONCLUSIONS: PPS separation promotes skeletal expansion. The greater the IDP, the lower the probability of PPS separation. OC
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