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  • Title: A new distraction device to compare continuous and discontinuous bone distraction in mini-pigs: a preliminary report.
    Author: Kessler P, Wiltfang J, Neukam FW.
    Journal: J Craniomaxillofac Surg; 2000 Feb; 28(1):5-11. PubMed ID: 10851667.
    Abstract:
    Callus-distraction has become an accepted procedure to lengthen hypoplastic mandibles in humans. Extra- and intraoral devices have been applied successfully. Systematic studies have proven the importance of direction, stability, rate and frequency in callus-distraction. In an experimental animal study a newly developed intraoral microhydraulic osteodistractor was tested. Initially the pressures necessary to distract the mandible in mini-pigs were recorded in discontinuous callus-distraction. These results were used to perform continuous bone distraction. Besides testing the new distractor and evaluating the distraction pressures, the aim of the study was to prove that direct bone growth occurred without preceding cartilage formation. Clinical and microscopic results are presented.
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