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Home Pharyngeal airway changes in pre-pubertal children with Class II malocclusion after Fränkel-2...

Pharyngeal airway changes in pre-pubertal children with Class II malocclusion after Fränkel-2 treatment

Authors:

  • G. Fabiani
    Orthodontic Postgraduate student, Orthodontic Postgraduate Program, Multidisciplinary Department of Medical-Surgical and Dental Specialties, Second University of Naples, Naples, Italy
  • J. Galván Galván
    PhD student, Department of Dentistry, University of Alberta, Edmonton, Alberta, Canada
  • G. Raucci
    Orthodontic Postgraduate student, Orthodontic Postgraduate Program, Multidisciplinary Department of Medical-Surgical and Dental Specialties, Second University of Naples, Naples, Italy
  • M. Elyasi
    PhD student, Department of Dentistry, University of Alberta, Edmonton, Alberta, Canada
  • C. Pachêco-Pereira
    Assistant Clinical Professor, Department of Dentistry, University of Alberta, Edmonton, Alberta, Canada
  • C. Flores-Mir
    Professor and Chair of the Graduate Orthodontic Program, Department of Dentistry, University of Alberta, Edmonton, Alberta, Canada
  • L. Perillo
    Professor, Head of Orthodontic Unit and Chair of the Orthodontic Postgraduate Program, Multidisciplinary Department of Medical-Surgical and Dental Specialties, Second University of Naples, Naples, Italy

DOI:

https://doi.org/10.23804/ejpd.2017.18.04.05

ABSTRACT


Aim

To evaluate two-dimensional changes in pharyngeal airway dimensions in pre-pubertal children with a Class II malocclusion treated with a Fränkel-2 appliance compared to a matched non-treated control sample.

Methods

Lateral cephalograms obtained from 28 consecutively treated pre-pubertal children before (T0) and after (T1) a one-year Fränkel-2 treatment were analysed. Fränkel-2 appliance was used for at least 18 hr/day during 12 months. The control group was matched as closely as possible. All the cases presented normal facial growth pattern. Sagittal and vertical cephalometric measurements assessing maxillary and mandibular skeletal positions, as well as sagittal pharyngeal airway dimensions, were calculated. Intraclass correlation coefficient was calculated in order to determine reliability. Differences based on age for all the outcome variables at T0 were compared with an independent t-test. A MANOVA was used thereafter to determine if any factors and their interactions were associated with changes in the outcome variables. Differences between T1 and T0 were evaluated with either a t-student test or a Mann Whitney U test.

Results

At T0 differences between groups were noted for several variables. These differences were considered during the follow-up statistical analysis. Changes between groups after treatment (T1-T0) were noted for SNB, PNS to Ba, McNamara Low and Middle to S (increase in treatment group), and ANB and AD1 to Ba (decrease in treatment group). CONCLUSIONS: Some pharyngeal two-dimensional airway dimensions changed in Class II malocclusion pre-pubertal patients during a one-year treatment with Fränkel-2 appliances.

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Publication date:

December /2017

Keywords:

fränkel-2, functional appliances, oropharynx, pharynx, pre-pubertal, upper airway dimensional changes

Issue:

Vol.18 – n.4/2017

Page:

291 – 295

Publisher:

Ariesdue

Cite:


Harvard: G. Fabiani, J. Galván Galván, G. Raucci, M. Elyasi, C. Pachêco-Pereira, C. Flores-Mir, L. Perillo (2017) "Pharyngeal airway changes in pre-pubertal children with Class II malocclusion after Fränkel-2 treatment", European Journal of Paediatric Dentistry, 18(4), pp291-295. doi: 10.23804/ejpd.2017.18.04.05
Vancouver: G. Fabiani, J. Galván Galván, G. Raucci, M. Elyasi, C. Pachêco-Pereira, C. Flores-Mir, L. Perillo. Pharyngeal airway changes in pre-pubertal children with Class II malocclusion after Fränkel-2 treatment. European Journal of Paediatric Dentistry [Internet]. 2017Dec.1 [cited 2025May.13];18(4):291-295. Available from: https://www.ejpd.eu/abstract-pubmed/pharyngeal-airway-changes-in-pre-pubertal-children-with-class-ii-malocclusion-after-frankel-2-treatment/
MLA: G. Fabiani, J. Galván Galván, G. Raucci, M. Elyasi, C. Pachêco-Pereira, C. Flores-Mir, L. Perillo Pharyngeal airway changes in pre-pubertal children with Class II malocclusion after Fränkel-2 treatment. European Journal of Paediatric Dentistry. 2017;18(4):291-295

Copyright (c) 2021 Ariesdue

Creative Commons License

This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.

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