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Until now, computer-assisted surgery has not been practiced as part of the surgical routine of posttraumatic orbital reconstruction. The purpose of this study was to investigate the use of a navigation system for computer-assisted preoperative planning with virtual reconstruction to obtain symmetry of the orbits and intraoperative control of virtual(More)
In patients with Graves' orbitopathy (GO), magnetic resonance imaging (MRI) is a valuable tool to distinguish the acute inflammatory active disease from fibrotic, inactive end stage disease in demonstrating interstitial oedema within the extraocular muscles on coronal TIRM-sequences. MRI is the modality of choice to identify active inflammatory changes and(More)
Between January 1996 and December 2001, 72 out of 354 patients were included in a retrospective study analysing the outcome of repaired orbital wall defects. Selection was dependent on the availability of pre and postoperative CT scans and on ophthalmologic examination. In particular, orthoptical assessment was performed up to 1 year after operation. In 72(More)
Alloplastic materials offer a number of advantages over bone autografts in the reconstruction of craniofacial defects. These include: lack of donor site morbidity, unlimited quantities of available material, and the possibility to conform exactly to the defect. An ideal bioresorbable material would degrade slowly, and have osteoconductive properties to(More)
BACKGROUND With increasing atrophy, fractures of the edentulous mandible tend to have a higher incidence of nonunion. However, the connection between disturbances of bony consolidation and inadequate primary stability is often insufficiently discussed. FIXATION Rigid internal fixation with 2.7 or now 2.4 AO compression and reconstruction plates is a safe(More)
Despite impressive results, distraction osteogenesis of the mandible is still compromised by difficulties with vector control. Because of the action of the masticatory muscles, the gonion angle has the tendency to open, resulting in an open bite. We report two patients, aged 10 and 12 years, who developed a severe open bite during mandibular distraction. As(More)
Funktionell bedingte Myoarthropathien der Kiefergelenke sind häufig , Tumoren dieser Region hingegen selten, können die klinischen Beschwerden funktioneller Störungen jedoch imitieren oder auslösen. Bei persisitierenden, therapierefraktären Beschwerden soll daher zum Ausschluss eines proliferativen Prozesses frühzeitig eine bildgebende Abklärung(More)
Praziquantel therapy has produced a much better prognosis in neurocysticercosis since 1980. The computed tomographic findings and follow-up study in 4 patients with neurocysticercosis before and after praziquantel therapy are described. The special difficulties of differential diagnosis and further diagnostic procedures are discussed in cases in which(More)