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A Journal on Dentistry and Maxillofacial Surgery
Minerva Stomatologica 2006 June;55(6):327-353
language: English, Italian
Mandibular distraction of the body and ramus
Albanese M., Mercanti M., Bertelè G., Stella F., Trevisiol L.
Orthodontics Unit, Department of Orthodontics and Maxillofacial Surgery University of Verona, Verona, Italy
With the ever increasing interest in the field of osteodistraction techniques, the mandible is certainly the most studied anatomical site, both experimentally and clinically. Currently, the methods of mandibular distraction can be classified by position (intra- or extraoral), by the direction of distraction and by the site of application (toothborn, boneborn or hybrid fixation). To guarantee good results from the osteodistraction procedure, it is fundamental to have an accurate preoperative plan considering the correct classification and evaluation of the patient combined with a valid project regarding the direction of the distraction vector. One of the most important aspects to consider is the orientation of the distractor, especially if the defect to be corrected is three-dimensional. Regarding the correct planning of the operation, knowing the secondary effects of the distraction on the soft tissues, muscles and nerves, the temporomandibular joint and velopharyngeal functioning is of fundamental importance. It is worth considering particular situations in which osteodistraction is extremely helpful in maxillofacial surgery, for example in the construction of a neocondyle, in bone replacement during oncologic interventions, in obstructive sleep apnea correction and in hemi-mandibular reconstruction.