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Related Experiment Videos

Experimental tooth movement through regenerate alveolar bone: A pilot study.

J B Cope1, R P Harper, M L Samchukov

  • 1Department of Orthodontics, TAMUS-Baylor College of Dentistry, Dallas, TX 75246, USA. jasoncope@orthodontist.net

American Journal of Orthodontics and Dentofacial Orthopedics : Official Publication of the American Association of Orthodontists, Its Constituent Societies, and the American Board of Orthodontics
|November 5, 1999
PubMed
Summary

This pilot study shows that teeth can move through bone regenerated by mandibular distraction osteogenesis. Tooth movement is possible early in the consolidation phase, within weeks of lengthening.

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Area of Science:

  • Oral and Maxillofacial Surgery
  • Orthodontics
  • Regenerative Medicine

Background:

  • Distraction osteogenesis is a surgical method for bone lengthening.
  • Regenerate bone formation is crucial for subsequent procedures.
  • Early tooth movement in regenerate bone is not well understood.

Purpose of the Study:

  • To evaluate the feasibility of tooth movement through regenerate bone.
  • To determine the earliest time point for tooth movement during consolidation.
  • To assess tooth movement during the early consolidation phase after mandibular distraction osteogenesis.

Main Methods:

  • Bilateral mandibular lengthening (10 mm) using intraoral distraction osteogenesis in beagle dogs.
  • Initiation of fourth premolar retraction after 1 week of consolidation.

Related Experiment Videos

  • Radiographic, histological, and dental cast analyses post-retraction.

    • Main Results:

    • All four fourth premolars exhibited distal movement.
    • Two of the four premolars contacted the first molars.
    • Successful tooth movement through regenerate bone was achieved.

    Conclusions:

    • Tooth movement through regenerate bone is possible.
    • Early initiation of tooth movement (within weeks) during consolidation is feasible.
    • This pilot study provides evidence for early orthodontic intervention in distraction osteogenesis cases.