Francesca Silvestrini-Biavati, Giorgio Oliva, Luis Huanca Ghislanzoni, Elisa Ottonelli, Domenico Dalessandri, Valentina Lanteri, Alessandro Ugolini
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In this study, 127 subjects were treated with HE, 123 with LE.</p>\n </section>\n \n <section>\n \n <h3> Materials and Methods</h3>\n \n <p>Digital dental models were obtained pre-treatment (T0) and after 12 months from the cementation of the device (T1) and processed by means of a digital scanner. Linear and morphometric analyses were conducted to determine the effects of each appliance on dental measurements and palatal shape, and a multiple linear regression was performed to analyse the influence of anchorage and appliance type on final shape.</p>\n </section>\n \n <section>\n \n <h3> Results</h3>\n \n <p>Morphometric analysis showed that there was a lowering of the palatal vault in the HE group, while in the LE group it remained unchanged: the difference in palatal shape at time T0 and T1 was statistically significant in both treatments (HE vs. LE). In the HE group, the change in shape also included the upper part of the palatal vault in the vertical dimension, while in the LE group the change in shape interested mainly palatal shelves and the lower portion of the palate.</p>\n </section>\n \n <section>\n \n <h3> Conclusions</h3>\n \n <p>Both LE and HE produce clinically significant changes in the morphology of the palatal vault.</p>\n </section>\n </div>","PeriodicalId":2,"journal":{"name":"ACS Applied Bio Materials","volume":null,"pages":null},"PeriodicalIF":4.6000,"publicationDate":"2024-08-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/ocr.12839","citationCount":"0","resultStr":"{\"title\":\"Evaluation of palate morphology in patients treated with leaf expander and hyrax expander: A geometric morphometric analysis\",\"authors\":\"Francesca Silvestrini-Biavati, Giorgio Oliva, Luis Huanca Ghislanzoni, Elisa Ottonelli, Domenico Dalessandri, Valentina Lanteri, Alessandro Ugolini\",\"doi\":\"10.1111/ocr.12839\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div>\\n \\n \\n <section>\\n \\n <h3> Objective</h3>\\n \\n <p>The aim of this study was to evaluate changes in shape of the palatal vault after maxillary expansion with hyrax expander (HE) and leaf expander (LE), using 3D Geometric Morphometric Analysis.</p>\\n </section>\\n \\n <section>\\n \\n <h3> Setting and Sample Population</h3>\\n \\n <p>Overall, 250 patients (110 M, 140 F) with maxillary transverse deficiency were selected for this study. 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引用次数: 0
摘要
研究目的本研究的目的是使用三维几何形态计量分析法，评估上颌扩容器（HE）和叶状扩容器（LE）扩容后腭部穹顶形状的变化：本研究共选取了 250 名上颌骨横向缺损患者（110 名男性，140 名女性）。在这项研究中，127 名患者接受了 HE 治疗，123 名患者接受了 LE 治疗：在治疗前（T0）和装置粘接 12 个月后（T1）获得数字牙科模型，并通过数字扫描仪进行处理。进行线性和形态计量分析以确定每种矫治器对牙齿测量和腭部形态的影响，并进行多元线性回归分析锚定和矫治器类型对最终形态的影响：形态计量分析表明，HE 组的腭穹有所降低，而 LE 组的腭穹保持不变：两种治疗方法（HE 与 LE）在 T0 和 T1 时的腭形差异均有显著的统计学意义。在 HE 组中，腭穹上部在垂直维度上的形状也发生了变化，而在 LE 组中，腭穹上部和下部的形状主要发生了变化：结论：LE和HE都会使腭穹的形态发生明显的临床变化。
Evaluation of palate morphology in patients treated with leaf expander and hyrax expander: A geometric morphometric analysis
Objective
The aim of this study was to evaluate changes in shape of the palatal vault after maxillary expansion with hyrax expander (HE) and leaf expander (LE), using 3D Geometric Morphometric Analysis.
Setting and Sample Population
Overall, 250 patients (110 M, 140 F) with maxillary transverse deficiency were selected for this study. In this study, 127 subjects were treated with HE, 123 with LE.
Materials and Methods
Digital dental models were obtained pre-treatment (T0) and after 12 months from the cementation of the device (T1) and processed by means of a digital scanner. Linear and morphometric analyses were conducted to determine the effects of each appliance on dental measurements and palatal shape, and a multiple linear regression was performed to analyse the influence of anchorage and appliance type on final shape.
Results
Morphometric analysis showed that there was a lowering of the palatal vault in the HE group, while in the LE group it remained unchanged: the difference in palatal shape at time T0 and T1 was statistically significant in both treatments (HE vs. LE). In the HE group, the change in shape also included the upper part of the palatal vault in the vertical dimension, while in the LE group the change in shape interested mainly palatal shelves and the lower portion of the palate.
Conclusions
Both LE and HE produce clinically significant changes in the morphology of the palatal vault.
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