J Korean Assoc Maxillofac Plast Reconstr Surg.  2005 Jul;27(4):324-333.

Internal VS. rigid external distraction device for the maxillary hypoplasia of cleft patients

Affiliations
  • 1Department of Oral and Maxillofacial Surgery, College of Dentistry, Seoul National University, Korea. myungkim@plaza.snu.ac.kr
  • 2Department of Orthodontics, College of Dentistry, Seoul National University, Korea.

Abstract

Distraction osteogenesis for the advancement of hypoplastic maxilla of cleft patients has shown successful results. In this report, rigid external distraction(RED) system and internal distraction device were used for maxillary advancement. Each system has its advantages and disadvantages. Larger amount of advancement can be achieved with RED system. But complex external device may give patients psychological stress. Internal device is invisible. However its distraction amount have limitation for the advancement (< 20mm) and the vector cannot be changed freely during distraction. The authors treated five cleft patients with maxillary hypoplasia(three with RED system and two with internal distractor). Their results were clinically satisfactory. We present the pros and cons of RED and internal system for maxillary distraction osteogenesis.

Keyword

Distraction Osteogenesis; Cleft Lip and Palate; Maxillary Hypoplasia; Rigid external distraction

MeSH Terms

Humans
Maxilla
Osteogenesis, Distraction
Stress, Psychological
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