Changes in pharyngeal airway space and soft tissue after maxillary advancement and bimaxillary surgery

Authors

  • Erika Franco Freire Centro Universitário Hermínio Ometto - UNIARARAS
  • Francisco Wagner Vasconcelos Freire Filho Universidade de Fortaleza – UNIFOR
  • Heloisa Cristina Valdrighi Universidade de Fortaleza – UNIFOR
  • Viviane Veroni Degan Universidade de Fortaleza – UNIFOR
  • Silvia Amélia Scudeler Vedovello Universidade de Fortaleza – UNIFOR

DOI:

https://doi.org/10.20396/bjos.v13i2.8640899

Keywords:

Orthognathic surgery, Pharynx, Palate, soft

Abstract

Aim: To evaluate changes in pharyngeal airway space (nasopharynx and oropharynx), soft palate and lingual vallecula after maxillary advancement surgery and maxillary advancement and mandibular setback surgery (bimaxillary surgery). Methods: Twenty Class III adult patients were included in the study. Ten patients were treated with maxillary advancement and ten with bimaxillary surgery (maxillary advancement and mandibular setback). Cephalometric landmark measurements were recorded at 3 different time intervals: pre-surgical, post-surgical and six months after surgery. Data collected were subjected to one-way ANOVA (p<0.05). Results: Nasopharyngeal airway space increased after maxillary advancement and decreased after bimaxillary surgery. There was increase in oropharyngeal dimensions in the region around the uvula and loss of space for lingual vallecula, while in Group 2 there was diminished space for both uvula and vallecula. The uvula and vallecula were moved forward in Group 1, whereas these structures were moved in the posterior direction in Group 2. Conclusions: After maxillary advancement surgery there was an increased in space in the nasopharyngeal region. The oropharyngeal region related to the uvula presented an increase in space, whereas there was a reduction in relation to the lingual vallecula. The uvula and lingual vallecula were moved forward. Bimaxillary surgery promoted a reduction in the nasopharyngeal and oropharyngeal regions as regards both the uvula and lingual vallecula. The uvula and lingual vallecula were moved in the posterior direction.

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Author Biographies

Erika Franco Freire, Centro Universitário Hermínio Ometto - UNIARARAS

Centro Universitário Hermínio Ometto - UNIARARAS, School of Dentistry, Area of Orthodontics, Araras, SP.

Francisco Wagner Vasconcelos Freire Filho, Universidade de Fortaleza – UNIFOR

Universidade de Fortaleza – UNIFOR, School of Dentistry, Department of Oral and Maxillofacial Surgery, Fortaleza, Ceará, CE.

Heloisa Cristina Valdrighi, Universidade de Fortaleza – UNIFOR

Universidade de Fortaleza – UNIFOR, School of Dentistry, Department of Oral and Maxillofacial Surgery, Fortaleza, Ceará, CE.

Viviane Veroni Degan, Universidade de Fortaleza – UNIFOR

Universidade de Fortaleza – UNIFOR, School of Dentistry, Department of Oral and Maxillofacial Surgery, Fortaleza, Ceará, CE.

Silvia Amélia Scudeler Vedovello, Universidade de Fortaleza – UNIFOR

Universidade de Fortaleza – UNIFOR, School of Dentistry, Department of Oral and Maxillofacial Surgery, Fortaleza, Ceará, CE.

Published

2015-10-07

How to Cite

1.
Freire EF, Freire Filho FWV, Valdrighi HC, Degan VV, Vedovello SAS. Changes in pharyngeal airway space and soft tissue after maxillary advancement and bimaxillary surgery. Braz. J. Oral Sci. [Internet]. 2015 Oct. 7 [cited 2022 Dec. 10];13(2):93-7. Available from: https://periodicos.sbu.unicamp.br/ojs/index.php/bjos/article/view/8640899

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