A retrospective cephalometric study on pharyngeal airway space changes after rapid palatal expansion and Herbst appliance with or without skeletal anchorage
Abstract Background The aim of this study is to investigate the pharyngeal airway space changes in patients treated with rapid palatal expansion (RPE) and Herbst appliance with or without skeletal anchorage. Methods A 40-patient study group treated with the Herbst RME combination was included; moreo...
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| Format: | Article |
| Language: | English |
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SpringerOpen
2016-09-01
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| Series: | Progress in Orthodontics |
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| Online Access: | http://link.springer.com/article/10.1186/s40510-016-0141-1 |
| _version_ | 1819237699577446400 |
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| author | Antonio Manni Marco Pasini Maria Rita Giuca Riccardo Morganti Mauro Cozzani |
| author_facet | Antonio Manni Marco Pasini Maria Rita Giuca Riccardo Morganti Mauro Cozzani |
| author_sort | Antonio Manni |
| collection | DOAJ |
| description | Abstract Background The aim of this study is to investigate the pharyngeal airway space changes in patients treated with rapid palatal expansion (RPE) and Herbst appliance with or without skeletal anchorage. Methods A 40-patient study group treated with the Herbst RME combination was included; moreover, a comparison between two subgroups based on whether miniscrews were used was evaluated. A subgroup 1 included 20 patients who were treated with RPE and an acrylic splint Herbst with miniscrews, and subgroup 2 included 20 patients who were treated with RPE and an acrylic splint Herbst. A cephalometric analysis was performed before (T1) and after (T2) treatment. The skeletal parameters of the sagittal occlusion analysis of Pancherz were utilized together with some extra measurements to evaluate the airways. Results An increased nasopharyngeal airway space was observed in group 1 (p < 0.05) from T1 to T2. Furthermore, the increase in nasopharyngeal airway space was significantly higher in subgroup 1 (p < 0.05) in comparison to the subgroup 2. Oropharyngeal (OA) and laryngopharyngeal (LA) dimensions were significantly increased in the subgroup 1 at the end of the treatment. In the subgroup 1, a significant decrease in SNA, a significant increase in SNB, and a significant decrease in ANB were observed from T1 to T2. In the subgroup 2, the treatment resulted in a significant decrease in ANB. In both groups, Pogonion increased significantly from T1 to T2. Conclusions The results suggest that the RPE and the Herbst appliance allow a slight improvement of the sagittal dimensions of the airways. The oropharyngeal dimension increased significantly more in the skeletal anchorage group. |
| first_indexed | 2024-12-23T13:24:29Z |
| format | Article |
| id | doaj.art-2e4ff477202148318c965c9b733d0cc5 |
| institution | Directory Open Access Journal |
| issn | 2196-1042 |
| language | English |
| last_indexed | 2024-12-23T13:24:29Z |
| publishDate | 2016-09-01 |
| publisher | SpringerOpen |
| record_format | Article |
| series | Progress in Orthodontics |
| spelling | doaj.art-2e4ff477202148318c965c9b733d0cc52022-12-21T17:45:20ZengSpringerOpenProgress in Orthodontics2196-10422016-09-011711710.1186/s40510-016-0141-1A retrospective cephalometric study on pharyngeal airway space changes after rapid palatal expansion and Herbst appliance with or without skeletal anchorageAntonio Manni0Marco Pasini1Maria Rita Giuca2Riccardo Morganti3Mauro Cozzani4Private PracticeDepartment of Surgical, Medical and Molecular Pathology and of the Critic Area, University of PisaDepartment of Surgical, Medical and Molecular Pathology and of the Critic Area, University of PisaDepartment of Oncology, Transplants and New Technologies, University of PisaPrivate PracticeAbstract Background The aim of this study is to investigate the pharyngeal airway space changes in patients treated with rapid palatal expansion (RPE) and Herbst appliance with or without skeletal anchorage. Methods A 40-patient study group treated with the Herbst RME combination was included; moreover, a comparison between two subgroups based on whether miniscrews were used was evaluated. A subgroup 1 included 20 patients who were treated with RPE and an acrylic splint Herbst with miniscrews, and subgroup 2 included 20 patients who were treated with RPE and an acrylic splint Herbst. A cephalometric analysis was performed before (T1) and after (T2) treatment. The skeletal parameters of the sagittal occlusion analysis of Pancherz were utilized together with some extra measurements to evaluate the airways. Results An increased nasopharyngeal airway space was observed in group 1 (p < 0.05) from T1 to T2. Furthermore, the increase in nasopharyngeal airway space was significantly higher in subgroup 1 (p < 0.05) in comparison to the subgroup 2. Oropharyngeal (OA) and laryngopharyngeal (LA) dimensions were significantly increased in the subgroup 1 at the end of the treatment. In the subgroup 1, a significant decrease in SNA, a significant increase in SNB, and a significant decrease in ANB were observed from T1 to T2. In the subgroup 2, the treatment resulted in a significant decrease in ANB. In both groups, Pogonion increased significantly from T1 to T2. Conclusions The results suggest that the RPE and the Herbst appliance allow a slight improvement of the sagittal dimensions of the airways. The oropharyngeal dimension increased significantly more in the skeletal anchorage group.http://link.springer.com/article/10.1186/s40510-016-0141-1Airway spaceSkeletal anchorageClass II treatment |
| spellingShingle | Antonio Manni Marco Pasini Maria Rita Giuca Riccardo Morganti Mauro Cozzani A retrospective cephalometric study on pharyngeal airway space changes after rapid palatal expansion and Herbst appliance with or without skeletal anchorage Progress in Orthodontics Airway space Skeletal anchorage Class II treatment |
| title | A retrospective cephalometric study on pharyngeal airway space changes after rapid palatal expansion and Herbst appliance with or without skeletal anchorage |
| title_full | A retrospective cephalometric study on pharyngeal airway space changes after rapid palatal expansion and Herbst appliance with or without skeletal anchorage |
| title_fullStr | A retrospective cephalometric study on pharyngeal airway space changes after rapid palatal expansion and Herbst appliance with or without skeletal anchorage |
| title_full_unstemmed | A retrospective cephalometric study on pharyngeal airway space changes after rapid palatal expansion and Herbst appliance with or without skeletal anchorage |
| title_short | A retrospective cephalometric study on pharyngeal airway space changes after rapid palatal expansion and Herbst appliance with or without skeletal anchorage |
| title_sort | retrospective cephalometric study on pharyngeal airway space changes after rapid palatal expansion and herbst appliance with or without skeletal anchorage |
| topic | Airway space Skeletal anchorage Class II treatment |
| url | http://link.springer.com/article/10.1186/s40510-016-0141-1 |
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