期刊
INTERNATIONAL JOURNAL OF ORAL AND MAXILLOFACIAL SURGERY
卷 39, 期 6, 页码 573-579出版社
CHURCHILL LIVINGSTONE
DOI: 10.1016/j.ijom.2010.03.021
关键词
reconstruction; mandible; distraction osteogenesis; transport disk
资金
- Technological Project Fund of Zhejiang Province of China [2007C33012]
One-step transport-disk distraction osteogenesis (TDDO) is effective for repairing segmental mandibular defects The authors studied whether it was effective for reconstructing angled large mandibular defects using a two-step TDDO procedure in seven patients suffering from neoplasm In the two-step TDDo procedure, the first distraction (horizontal distraction) was initiated immediately after mandibulectomy, aimed at restoring the mandibular body It was followed by the second distraction, which was obliquely vertical and aimed at restoring the height of the ramus The distraction rate was set at twice 0.4 mm/day. The treatment lasted for 14-18 months The horizontal distraction length ranged from 48 to 55 mm, and the vertical one from 33 to 43 mm, with full ossification in the distraction area No obvious shift of mandible, malocclusion or mouth opening limitation was observed Patients had a regular diet and spoke clearly In conclusion, the two-step TDDO is still an option for the reconstruction of large angled mandibular defects when patients are prudently selected, despite the long treatment period required
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