Impact on the Pharyngeal Airway Space of Different Orthognathic Procedures for the Prognathic Mandible: A Literature Review
International Journal of Science and Research (IJSR)

International Journal of Science and Research (IJSR)
www.ijsr.net | Most Trusted Research Journal Since Year 2012

ISSN: 2319-7064



Review Papers | Dental Science | India | Volume 8 Issue 2, February 2019

Impact on the Pharyngeal Airway Space of Different Orthognathic Procedures for the Prognathic Mandible: A Literature Review

Dr. Apoorva Motupalli, Dr. Anubhav Jannu

Dentofacial deformity refers to deviations from normal facial proportions and dental relationships that are severe enough to be handicapping. These anomalies involve many aspects of patients life and are sometimes also associated with a reduction of pharyngeal airspace (PAS). This episode of pharyngeal airway collapse effects breathing function of the patients. This leads to a condition called Obstructive Sleep Apnea ( OSA ). So patients who are undergoing orthognathic surgery should be screened for excessive daytime spmnolence, snoring, increased BMI and medical conditions related to OSA. OSA may be better following a maxillomandibular advancement surgery or may be worsened or developed after mandibular setback surgery. The purpose of this study is to review the changes of PAS and its important related structures such as hyoid bone, the tongues and soft palate after orthognathic surgery in dentofacial deformity patients. The change of head posture, the adaptation and the stability of PAS are also considered.Moderate evidence was found that PAS changes at the level of nasopharyngeal, oropharyngeal and hypopharyngeal. A statistical difference was found between BSSO & IVRO after treatment of mandibular prognathism. The results indicate that bimaxillary surgery in class 3 patients has less unfavourable effects, so it is considered as superior surgery compared to mandibular setback surgery.

Keywords: Pharyngeal airspace, Obstructive Sleep Apnea, Orthognathic surgery, mandibular setback surgery

Edition: Volume 8 Issue 2, February 2019

Pages: 338 - 342

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How to Cite this Article?

Dr. Apoorva Motupalli, Dr. Anubhav Jannu, "Impact on the Pharyngeal Airway Space of Different Orthognathic Procedures for the Prognathic Mandible: A Literature Review", International Journal of Science and Research (IJSR), https://www.ijsr.net/search_index_results_paperid.php?id=ART20194936, Volume 8 Issue 2, February 2019, 338 - 342

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Impact on the Pharyngeal Airway Space of Different Orthognathic Procedures for the Prognathic Mandible: A Literature Review

Dr. Apoorva Motupalli, Dr. Anubhav Jannu

Share this Article
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