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Related Experiment Videos

Maxillary distraction osteogenesis: a method with skeletal anchorage.

G Swennen1, T Dujardin, A Goris

  • 1Department of Oral and Maxillofacial Surgery, University of Brussels, Children's Hospital, Brussels, Belgium. gwen.swennen@planetinternet.be

The Journal of Craniofacial Surgery
|April 21, 2001
PubMed
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Maxillary distraction osteogenesis effectively treats severe maxillary retrusion in cleft lip and palate patients. This technique provides significant skeletal advancement without adverse dental changes, improving aesthetics.

Area of Science:

  • Craniofacial Surgery
  • Orthodontics
  • Pediatric Dentistry

Background:

  • Severe maxillary retrusion and Class III malocclusion are common in cleft lip and palate patients.
  • Maxillary advancement via distraction osteogenesis offers new bone formation and soft tissue expansion.
  • This technique presents a viable surgical option for complex craniofacial deformities.

Purpose of the Study:

  • To evaluate the efficacy of maxillary distraction osteogenesis in treating severe maxillary retrusion in non-syndromic cleft lip and palate patients.
  • To assess skeletal changes and aesthetic outcomes following the procedure.
  • To investigate the absence of dentoalveolar compensation after maxillary advancement.

Main Methods:

  • Two adolescent patients with non-syndromic cleft lip and palate underwent maxillary distraction using an external device and miniplate anchorage.

Related Experiment Videos

  • A Lefort I osteotomy with pterygomaxillary disjunction was performed, followed by a 3-day latency period.
  • Distraction was initiated at 1 mm/day, with cephalometric and photographic evaluations at multiple time points.

    • Main Results:

    • Excellent aesthetic outcomes were achieved in both patients.
    • Skeletal advancement of 8 mm and 7 mm was measured.
    • No significant dentoalveolar compensations were observed post-distraction.

    Conclusions:

    • Maxillary distraction osteogenesis is a successful treatment for severe maxillary retrusion in cleft lip and palate patients.
    • The technique yields predictable skeletal advancement and favorable aesthetics.
    • It avoids undesirable dental movements, preserving the dentoalveolar complex.