J Korean Assoc Maxillofac Plast Reconstr Surg.  2002 Jan;24(1):46-52.

Surgically Assisted Rapid Maxillary Expansion: Report Of 5 Cases

Affiliations
  • 1Department of Oral and Maxillofacial Surgery, College of Dentistry, Chonnam National University, Korea. hkoh@chonnam.ac.kr
  • 2Department of Orthodontics, College of Dentistry, Chonnam National University, Korea.
  • 3Dental Science Research Institute Chonnam National University, Korea.

Abstract

Five adults (3 cases of bilateral posterior crossbite, 2 cases of unilateral posterior crossbite)with intermaxillary discrepancy of over 5mm due to maxillary transverse deficiency were treated by surgically assisted rapid maxillary expansion (SARME). Bilateral maxillary horizontal osteotomies, osteotomies of pterygomaxillary junction and anterior lateral nasal wall, and anterior palatal osteotomy were performed in 4 cases, and unilateral osteotomies in 1case, followed by palatal expansion with tooth-borne orthopedic appliance. No significant complication was observed.The mean palatal expansion was 7.2mm (5.8~10.0mm)in the maxillary first molar region. During the mean follow-up period of 4 years (5 months 8 years 7 months), no recurrence of crossbite was observed in all cases. The SARME seemed to be a simple, stable, and reliable procedure for achieving a permanent increase of over 5mm in skeletal maxillary transverse width of adults.

Keyword

Surgically assisted maxillary expansion; Maxillary transverse deficiency

MeSH Terms

Adult
Follow-Up Studies
Humans
Malocclusion
Molar
Orthopedics
Osteotomy
Palatal Expansion Technique*
Recurrence
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