Maxillofacial Plastic and Reconstructive Surgery

  • Volume 38
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  • Pages.28.1-28.6
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  • 2016
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  • 2288-8101(pISSN)
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  • 2288-8586(eISSN)
Korean Association of Maxillofacial Plastic and Reconstructive Surgeons (대한악안면성형재건외과학회)
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Posterior maxillary segmental osteotomy for management of insufficient intermaxillary vertical space and intermolar width discrepancy: a case report

  • Baeg, SeungWoo (Department of Oral and Maxillofacial Surgery, Institute of Oral Health Science, Ajou University School of Medicine) ;
  • On, SungWoon (Department of Oral and Maxillofacial Surgery, Institute of Oral Health Science, Ajou University School of Medicine) ;
  • Lee, JeongKeun (Department of Oral and Maxillofacial Surgery, Institute of Oral Health Science, Ajou University School of Medicine) ;
  • Song, SeungIl (Department of Oral and Maxillofacial Surgery, Institute of Oral Health Science, Ajou University School of Medicine)
  • Received : 2016.04.14
  • Accepted : 2016.06.27
  • Published : 2016.12.31
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Abstract

Backgrounds: Insufficient intermaxillary space is caused by non-restoration following tooth extraction in the past, and this involves eruption of the opposing teeth and changes of the arch structure. Such cases are difficult just by a simple prosthetic approach, and diversified treatment plans should be established. Among these, posterior maxillary segmental osteotomy (PMSO) is an efficient treatment option than extraction of opposing teeth as it surgically repositions multiple erupted teeth and alveolar bone. PMSO can preserve the natural teeth; therefore, it is being regarded as a treatment method which can improve insufficient intermaxillary space significantly. Case presentation: In this case report, the first patient received PMSO in order to place an implant in the mandibular edentulous space after decreased vertical dimension is restored, and the second patient received PMSO along with orthodontic treatment to obtain the intermaxillary space and balance the interarch molar width. Conclusion: PMSO is the treatment of choice when occlusion is compromised in the presence of decreased vertical dimension or arch length discrepancy.

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References

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