Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Mandibular distraction force: laboratory data and clinical correlation.

R C Robinson1, P J O'Neal, G H Robinson

  • 1Oral and Maxillofacial Surgery, Saint Joseph Hospital, Denver, CO, USA. patrick.oneal@interos.com

Journal of Oral and Maxillofacial Surgery : Official Journal of the American Association of Oral and Maxillofacial Surgeons
|April 28, 2001
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Actin-Induced Structure in the Beta-Thymosin Family of Intrinsically Disordered Proteins.

Vitamins and hormones·2016
Same author

Proline isomerisation as a novel regulatory mechanism for p38MAPK activation and functions.

Cell death and differentiation·2016
Same author

Simplified office mycology.

What's new·2014
Same author

Facile cleavage of C-H bonds. Reaction of trimethylaluminum with bis(diphenylphosphinoyl)methane. Synthesis and molecular structure of [Al(CH3)][(C6H5)2P(O)CP(O)(C6H5)2]2[Al(CH3)2]2.

Journal of the American Chemical Society·2011
Same author

Isolation, Identification, and Serum Reactions of Typhoid and Paratyphoid Bacilli.

The Journal of medical research·2009
Same author

BIOLOGICAL AND PHYSICAL PROPERTIES OF THE HEMOTOXIN OF STREPTOCOCCI.

The Journal of experimental medicine·2009

This study measured the torque required for mandibular distraction osteogenesis, finding that 4.2 Newton-centimeters (N-cm) of torque is needed for 0.5 mm of distraction. These findings help calibrate internal distraction devices for better patient outcomes.

Area of Science:

  • Biomechanical Engineering
  • Craniofacial Surgery
  • Orthodontics

Background:

  • Distraction osteogenesis is a surgical technique used to lengthen bone, particularly in the mandible.
  • Internal distraction devices are commonly used, but their torque-force relationships require further understanding.
  • Accurate calibration of these devices is crucial for predictable and safe bone lengthening.

Purpose of the Study:

  • To measure the torque-force values of an internal distraction device in vitro.
  • To correlate in vitro measurements with in vivo torque readings.
  • To better understand the force required to distract the osteogenic bone callus of the human mandible during distraction osteogenesis.

Main Methods:

  • Five internal craniofacial distraction devices were tested using a custom apparatus.

Related Experiment Videos

  • Load limits and torque measurements were recorded as devices were activated incrementally.
  • In vitro data was correlated with clinical torque readings from 8 patients undergoing mandibular lengthening.

    • Main Results:

    • The average torque for 0.5 mm of mandibular distraction was 4.2 ± 1.6 Newton-centimeters (N-cm).
    • In vitro data indicated that 4.2 N-cm of torque is equivalent to a distraction force of 35.6 N.
    • The average force at device failure was 235.8 N.

    Conclusions:

    • Torque-force diagrams provide an effective method for calibrating safety margins and load capabilities of internal distraction devices.
    • Quantifying axial forces in mandibular lengthening enhances the understanding of mandibular distraction osteogenesis biomechanics.
    • This research contributes to optimizing surgical techniques and device design for craniofacial reconstruction.