Treatment of Severe Mandibular Prognathism and Maxillary Hypoplasia with Severe Midline Discrepancy: A Case Report

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Authors

  • Amrit Thapa
     Department of Orthodontics & Dentofacial Orthopedics, Command Military Dental Centre, Lucknow ,IN
  • B. Jayan
     Department of Orthodontics & Dentofacial Orthopedics, Armed Forces Medical College, Pune
  • N. K. Sahoo
     Department of Orthodontics & Dentofacial Orthopedics, Armed Forces Medical College, Pune ,IN
  • Karan Nehra
     Department of Orthodontics & Dentofacial Orthopedics, Armed Forces Medical College, Pune ,IN
  • A. K. Pal
     Command Military Dental Centre, Lucknow ,IN

Keywords:

Bilateral Sagittal Split Ramus, Osteotomy (BSSRO), Obstructive Sleep Apnoea
Orthodontics & Dentofacial Orthopedics

Abstract

Class III malformations are the corollary of insufficient forward growth of the maxilla, excessive forward mandibular growth or a combination of both. It is often combined with excessive vertical growth and less frequently with insufficient vertical development. In many instances, sagittal split osteotomy is the method of choice for mild to moderate mandibular prognathism. However, it has been suggested that the sagittal split method is contraindicated in cases of mandibular prognathism with severe anterior open bite, and requiring more than 8-10 mm of mandibular posterior repositioning. This operative technique appeared very unstable and the results were unpredictable. Bilateral sagittal split ramus osteotomy result depended on the ability of the surgeon to position correctly the two proximal fragments during intervention under general anaesthesia. Moreover, with a large mandibular setback, the risk of inducing obstructive sleep apnoea was high. This case report highlights the successful management of a 19-year-old female with skeletal class III malocclusion with open bite by combined orthodontic surgical treatment, where correction was done during bi-jaw surgery not only to correct the skeletal malformations but also to correct the midline deviation without extraction of teeth.

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Published

2018-09-11

How to Cite

Thapa, A., Jayan, B., Sahoo, N. K., Nehra, K., & Pal, A. K. (2018). Treatment of Severe Mandibular Prognathism and Maxillary Hypoplasia with Severe Midline Discrepancy: A Case Report. Journal of Pierre Fauchard Academy (India Section), 29(4), 87–93. Retrieved from https://informaticsjournals.com/index.php/jpfa/article/view/22202

Issue

Volume 29, Issue 4, December 2015

Section

Case Report

License

All the articles published in JPFA are distributed under a creative commons license. The journal allows the author(s) to hold the copyright of their work (all usages allowed except for commercial purpose).

 

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