| Vector control in transportation osteogenesis. | |
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MedLine Citation:
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PMID: 15944967 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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PURPOSE: To evaluate the ability to control vectors in the technique of transportation osteogenesis using 4 principles. PATIENTS AND METHODS: Sixteen defects measuring approximately 30-180 mm were retrospectively evaluated. Vector control was attempted using a single or combination of the following principles: multiple linear vectors, exaggerated linear distraction ("sausage effect"), braced guided distraction, and reorientation osteotomies. Observations were made regarding the ability to create the desired vectors. Angular deviation from desired vectors was determined and recorded numerically by evaluating either submental vertex or occlusal radiographs, stereolithographic models, or digital radiographs. Radiographic evaluation of symmetry alone was not used to determine the desired vector because a more laterally displaced segment was desirable to maintain favorable facial balance when soft tissue deficiency was pronounced. A subjective evaluation scale was developed to supplement the numerical values. RESULTS: Vector control primarily required the use of 2 or more principles. The most common combination was that of exaggerated linear distraction and reorientation osteotomy. CONCLUSION: The use of multiple linear vectors, exaggerated linear distraction ("sausage effect"), reorientation osteotomies, and braced guided distraction greatly assisted the operator in achieving the goal of symmetrical reconstruction. Transportation osteogenesis may be considered an effective tool in the box to reconstruct patients. In cases in which vector control is achieved, the advantages of diminishing the volume of bone graft required or achieving final bony reconstruction can outweigh the disadvantages of the technique. |
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Authors:
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Leslie B Heffez; Michael Kirton |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Journal of oral and maxillofacial surgery : official journal of the American Association of Oral and Maxillofacial Surgeons Volume: 63 ISSN: 0278-2391 ISO Abbreviation: J. Oral Maxillofac. Surg. Publication Date: 2005 Jun |
Date Detail:
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Created Date: 2005-06-09 Completed Date: 2005-06-27 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 8206428 Medline TA: J Oral Maxillofac Surg Country: United States |
Other Details:
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Languages: eng Pagination: 737-46 Citation Subset: AIM; D; IM |
Affiliation:
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University of Illinois at Chicago, College of Dentistry, Department of Oral and Maxillofacial Surgery, IL 60612, USA. lheffez@uic.edu |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Adult Aged Bony Callus / growth & development External Fixators Female Humans Internal Fixators Jaw / surgery* Jaw Neoplasms / rehabilitation Male Middle Aged Oral Surgical Procedures / instrumentation, methods* Osteogenesis, Distraction / instrumentation*, methods* Osteoradionecrosis / rehabilitation Osteotomy / instrumentation, methods Reconstructive Surgical Procedures / instrumentation, methods Retrospective Studies |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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