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Related Experiment Videos

Mandibular lengthening using preprogrammed intraoral tooth-borne distraction devices.

S Dessner1, Y Razdolsky, T El-Bialy

  • 1dezdmd@aol.com

Journal of Oral and Maxillofacial Surgery : Official Journal of the American Association of Oral and Maxillofacial Surgeons
|November 11, 1999
PubMed
Summary

This study shows an intraoral device successfully lengthens the mandible for patients with mandibular deficiency. The technique involves distraction osteogenesis, improving dental arch form and facial structure.

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Area of Science:

  • Orthodontics and Maxillofacial Surgery
  • Dental Device Engineering

Background:

  • Mandibular deficiency presents a significant challenge in orthodontic and surgical treatment planning.
  • Traditional surgical methods for mandibular lengthening can be invasive and complex.

Purpose of the Study:

  • To describe the application of a novel intraoral device for mandibular lengthening.
  • To detail the surgical technique for placing this intraoral distraction device.

Main Methods:

  • Five patients with retrognathia underwent mandibular lengthening using an intraoral tooth-borne distraction device.
  • The procedure involved mandibular corticotomies, mobilization, and device placement under local anesthesia and sedation.
  • Analysis utilized dental casts, photographs, and cephalometric radiographs.

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Main Results:

  • Successful mandibular lengthening along the planned vector was achieved in 3 out of 5 cases.
  • Two cases experienced unintended anterior segment opening rotations during advancement.

Conclusions:

  • The described intraoral device and technique demonstrate successful mandibular and dental arch lengthening.
  • This approach offers a viable option for managing malocclusions due to mandibular deficiency.